Amendment Flag Current Fiscal Year End Date Document Period End Date Entities [Table] Entity [Domain] Entity Information [Line Items] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Legal Entity [Axis] Document Type Notional Amount Award Type [Axis] Award Type [Axis] Summary of Significant Accounting Policies [Abstract] Accounts receivable - trade, net Accounts receivable - trade, net of allowance for doubtful accounts of $13.2 at December 31, 2012 and $13.4 at December 31, 2011 Accounts payable - trade Accounts payable - trade Accounts Payable, Current Environmental reserves - current portion Foreign currency translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated Other Comprehensive Income (Loss) [Member] Pension and postretirement benefit plans Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Accumulated Other Comprehensive Income (Loss) [Abstract] Less accumulated depreciation Accumulated other comprehensive loss Total Accumulated Other Comprehensive Income (Loss), Net of Tax Reconciliation of net income to net cash flows provided by operating activities: Reconciliation of net income to net cash flows provided by operating activities: EPCO and affiliates [Member] Affiliated Entity [Member] Total compensation expense Allowance for doubtful accounts Allowance for Doubtful Accounts, Current [Member] Amortization Expense ARO liability balance, December 31, ARO liability balance, December 31, Asset Retirement Obligation Accretion expense Non-cash asset impairment charges Non-cash asset impairment charges (see Note 6) Asset Impairment Charges Liabilities incurred during period Asset Retirement Obligations [Roll Forward] Liabilities settled during period Asset Retirement Obligation, Liabilities Settled Revisions in estimated cash flows Long-lived Fixed Assets Held For Sale [Member] Assets Held-for-sale [Member] Assets, fair value Financial assets Current assets: ASSETS Total current assets Assets, Current Total assets Total assets Assets, Fair Value Disclosure [Abstract] Financial assets [Abstract] Investment in equity securities - available-for-sale Available-for-sale Securities [Abstract] Proceeds from the sale of available-for-sale securities Gain on sales of available-for-sale equity securities of Energy Transfer Equity Available-for-sale Securities, Gross Realized Gains Derivatives, Fair Value, by Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Buildings [Member] Building [Member] Pro forma basic earnings per unit (in dollars per unit) Business Acquisition [Axis] Cash paid for acquisition Common unit exchange ratio in connection with merger Current assets Business Acquisition, Purchase Price Allocation, Current Assets Pro forma earnings data: Residual Goodwill (see Note 11) Business Acquisition, Purchase Price Allocation, Goodwill Amount Percentage ownership acquired (in hundredths) Revenues Business Acquisition, Pro Forma Revenue Business Acquisition, Acquiree [Domain] Pro Forma Information Total assets acquired plus liabilities assumed Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net Net income Business Acquisition, Pro Forma Net Income (Loss) Common units issued for acquisition (in units) Common units issued in connection with merger (in units) Liabilities assumed in business combination: Business Acquisition, Purchase Price Allocation, Current Liabilities [Abstract] Total liabilities assumed Business Acquisition, Purchase Price Allocation, Liabilities Assumed Pro forma diluted earnings per unit (in dollars per unit) Business Combinations [Abstract] Assets acquired in business combination: Business Acquisition, Purchase Price Allocation, Current Assets [Abstract] Intangible assets Current liabilities Business Acquisition, Purchase Price Allocation, Current Liabilities Total assets acquired Business Acquisition, Purchase Price Allocation, Assets Acquired Fair value of 2,329,639 of our units issued as consideration Business combinations [Line Items] Business Acquisition [Line Items] Purchase price of acquisition Other assets Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets Property, plant and equipment, net Business Combinations Business Combination Disclosure [Text Block] Long-term debt Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities, Long-term Debt Other long-term liabilities Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities Noncontrolling interests acquired Capital Units by Class [Axis] Capital Unit [Line Items] Common units [Member] Capital Units [Member] Class B units [Member] Capital Unit, Class B [Member] Capital Unit, Class [Domain] Capitalized costs, asset retirement costs Carrying Value [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Cash and cash equivalents and restricted cash Cash Cash and cash equivalents, January 1 Cash and cash equivalents, December 31 Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted Cash Cash and Cash Equivalents Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash Distribution [Member] Derivatives in cash flow hedging relationships [Member] Cash Flow Hedging [Member] Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Gain/(Loss) Recognized in Income on Hedged Item Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Commercial Paper [Member] Contingencies Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies [Abstract] Commitments and contingencies Commitments and contingencies (see Note 18) Commodity derivatives [Member] Deferred tax assets: Comprehensive income attributable to entity Comprehensive income attributable to limited partners Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Other comprehensive income (loss): Comprehensive income Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Significant Risks and Uncertainties Concentration Risk Disclosure [Text Block] Condensed Consolidating Financial Information Condensed Financial Statements [Text Block] Condensed Financial Statements, Captions [Line Items] Eliminations and Adjustments [Member] Consolidation Policy Liability for construction in progress expenditures Construction in Progress Expenditures Incurred but Not yet Paid Construction in progress [Member] Storage tanks [Member] Containers [Member] Summary of Contractual Obligations Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Contract-based intangibles [Member] Contractual Rights [Member] Cash contributions from noncontrolling interests Total Cash contributions from noncontrolling interests (see Note 13) Cost of sales Cost of sales Operating costs and expenses Related parties Consolidated costs and expenses [Abstract] Costs and expenses: Total costs and expenses Total costs and expenses Total costs and expenses (see Note 14) Maximum potential cash payment under contracts containing credit rating contingent features Crude Oil [Member] State Current State and Local Tax Expense (Benefit) Current: Total current Current Income Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Federal Current Federal Tax Expense (Benefit) Customer relationship intangibles [Member] Customer Relationships [Member] Derivatives designated as hedging instruments [Member] Designated as Hedging Instrument [Member] February 2011 West Storage Incident [Member] Damage from Fire, Explosion or Other Hazard [Member] Variable annual interest rate thereafter, variable rate basis Total Principal Outstanding Debt Instrument [Line Items] Schedule of Long-term Debt Instruments [Table] Debt Obligations Debt Disclosure [Text Block] Debt Obligations [Abstract] Variable interest rate (in hundredths) Debt Instrument, Basis Spread on Variable Rate Debt Instrument [Axis] Aggregate debt principal issued Debt Instrument, Face Amount Debt Instrument, Name [Domain] Maturity term (in years) Variable Interest Rates Paid, Maximum (in hundredths) Interest Rate Terms Variable Interest Rates Paid, Minimum (in hundredths) Information regarding variable interest rates paid [Abstract] Weighted-Average Interest Rate Paid (in hundredths) Debt Instrument, Interest Rate During Period Unamortized discounts, net of premiums Debt Instrument, Unamortized Discount (Premium), Net Interest Rate, stated percentage (in hundredths) Debt Obligations Terms [Abstract] Federal Deferred revenues Deferred: Loss (gain) recognized due to settlement of derivative instruments Other Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge Foreign Total deferred Deferred income tax expense (benefit) Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Current portion of total net deferred tax assets Equity investment in partnerships Total net deferred tax liabilities Deferred Tax Assets, Net Deferred revenues [Abstract] Total deferred tax assets Deferred Tax Assets, Gross State Deferred revenue Long-term portion of total net deferred tax liabilities Net operating loss carryovers AROs Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations Accruals Employee benefit plans Total deferred tax liabilities Deferred Tax Liabilities, Net Valuation allowance Deferred tax liabilities Deferred tax liabilities Property, plant and equipment Less: Deferred tax liabilities: Equity investment in partnerships Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Accrued liability for UARs Depreciation expense Depreciation, amortization and accretion Depreciation, amortization and accretion Derivative Instrument Risk [Axis] Derivative Instruments, Hedging Activities and Fair Value Measurements [Abstract] Derivative [Line Items] Derivative [Table] Asset Derivatives Rate Swap, fixed rate (in hundredths) Liability Derivatives Derivative, by Nature [Axis] Accounting Treatment Number of Derivatives Outstanding Gain/(Loss) Reclassified from Accumulated Other Comprehensive Income/(Loss) to Income (Effective Portion) Hedging Relationship [Axis] Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Derivative, Name [Domain] Gain/(Loss) Recognized in Income on Derivative Derivative Contract Type [Domain] Rate Swap, floating rate (in hundredths) Over-the-counter derivative instruments, aggregate fair value subject to credit rating contingent features Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Change in Value Recognized in Other Comprehensive Income/(Loss) on Derivative (Effective Portion) Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion) Credit-risk related contingent features in derivative instruments [Abstract] Derivative Instruments Derivative Instruments, Hedging Activities and Fair Value Measurements Derivatives and Fair Value [Text Block] Derivatives, Fair Value [Line Items] Recent Accounting Developments Description of New Accounting Pronouncements Not yet Adopted [Text Block] Equity-based Awards Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Equity-based Awards [Abstract] Distribution Per Common Unit (in dollars per unit) Distribution Made to Member or Limited Partner [Line Items] Cash distributions paid to limited partners (see Note 13) Distribution Made to Member or Limited Partner, Cash Distributions Paid Distribution Type [Domain] Record Date Payment Date Distributions to Partners [Abstract] Distributions: Distributions Made to Member or Limited Partner by Distribution Type [Axis] Accounts receivable - related parties Accounts receivable - related parties Total accounts receivable - related parties Accounts payable - related parties: Due to Related Parties, Current [Abstract] Accounts payable - related parties Accounts payable - related parties Total accounts payable - related parties Accounts receivable - related parties: Due from Related Parties, Current [Abstract] Basic earnings per unit: Earnings Per Share, Basic [Abstract] Diluted earnings per unit: DILUTED EARNINGS PER UNIT Earnings Per Unit [Abstract] Earnings per unit: Earnings per unit: (see Note 17) Basic earnings per unit: Earnings Per Unit Earnings Per Share [Text Block] Earnings Per Unit BASIC EARNINGS PER UNIT Effect of exchange rate changes on cash Effective income tax rate (in hundredths) Recognition period for total unrecognized compensation cost Unrecognized compensation cost Cash paid to settle equity-based awards during period Unrecognized Compensation Expense [Abstract] NGLs Largest non-affiliated customer percentage (in hundredths) Entity-Wide Revenue, Major Customer, Percentage Revenue, Major Customer [Line Items] Environmental costs [Abstract] Environmental Costs Equity: Equity: (see Note 13) Investments in Unconsolidated Affiliates Impairment Testing for Unconsolidated Affiliates Equity Method Investments, Policy [Policy Text Block] Revenues Equity Method Investment, Summarized Financial Information, Revenue Investments in Unconsolidated Affiliates Equity Method Investments and Joint Ventures Disclosure [Text Block] Other assets Equity Method Investment, Summarized Financial Information, Noncurrent Assets Equity in income (loss) of unconsolidated affiliates by business segment [Abstract] Investments in unconsolidated affiliates (see Note 9) Current liabilities Equity Method Investment, Summarized Financial Information, Current Liabilities Unamortized excess cost amounts Ownership Interest (in hundredths) Equity Method Investment, Ownership Percentage Current assets Equity Method Investment, Summarized Financial Information, Current Assets Energy Transfer Equity and subsidiaries [Member] Equity Method Investee [Member] Distributions received from unconsolidated affiliates Summarized income statement information of unconsolidated affiliates [Abstract] Total assets Equity Method Investment, Summarized Financial Information, Assets Unamortized excess cost amounts by business segment [Abstract] Offering price of common unit (in dollars per share) Summarized balance sheet information of unconsolidated affiliates: Operating Income (Loss) Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations before Extraordinary Items Net Income (Loss) Gain on the sale of Energy Transfer Equity common units Equity Method Investment, Realized Gain (Loss) on Disposal Combined equity Other liabilities Equity Method Investment, Summarized Financial Information, Noncurrent Liabilities Equity Method Investee, Name [Domain] Total liabilities and combined equity Equity Method Investment, Summarized Financial Information, Liabilities and Equity Proceeds from the sale of Energy Transfer Equity common units Investments in Unconsolidated Affiliates [Abstract] Fair Value [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value by Measurement Frequency [Axis] Fair Value by Asset Class [Domain] Fair Value Measurements, Valuation Techniques Fair Value, Hierarchy [Axis] Liability Class [Axis] Fair Value, Measurements, Recurring [Member] Total gains (losses) included in: Net income Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings Fair Value Measurements, Recurring, Valuation Techniques [Line Items] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Fair Value, Measurement Frequency [Domain] Other comprehensive income (loss) Fair Value Measurements, Valuation Techniques Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Assets and Liabilities Measured on Recurring Basis [Table] Asset Class [Axis] Fair Value Measurements, Recurring, Valuation Techniques [Table] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Fair Value by Liability Class [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Nonrecurring Fair Value Measurements Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value, Disclosure Item Amounts [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Level 3 [Member] Level 1 [Member] Level 2 [Member] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivatives in fair value hedging relationships [Member] Fair Value Hedging [Member] Financial Liabilities: [Abstract] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Assets, Major Class Name [Domain] 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Five Gross Value Finite-Lived Intangible Assets, Gross 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Three Forecasted amortization expense [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Accumulated amortization Accumulated Amortization 2013 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2014 Finite-Lived Intangible Assets, Amortization Expense, Year Two Foreign currency derivative instruments: Foreign currency derivatives [Member] Gains attributable to disposal of assets Gains attributable to disposal of assets (see Note 20) Gains (losses) attributable to disposal of assets Gain (Loss) on Disposition of Assets Gains recognized from business interruption settlements Gain on Business Interruption Insurance Recovery Natural gas imbalance payables General Partner [Member] General and administrative costs General and administrative costs Total general and administrative costs General and administrative costs: Goodwill: (see Note 11) Goodwill Goodwill Balance at beginning of period Balance at end of period Goodwill related to the sale of assets Goodwill, Written off Related to Sale of Business Unit Intangible Assets and Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Reclassification to assets held for sale Goodwill [Line Items] Impairment Testing for Goodwill Goodwill adjustment Goodwill related to acquisitions Changes in carrying amount of goodwill [Roll Forward] Impairment charges Goodwill, Impairment Loss Intangible Assets and Goodwill [Abstract] Accumulated impairment charges Guarantor Obligations by Nature [Axis] Guarantor Obligations, Nature [Domain] Fair value of debt guarantee Guarantor Obligations [Line Items] Guarantee of debt obligations Centennial debt guarantee [Member] Guarantee of Indebtedness of Others [Member] Hedging Designation [Axis] Hedging Relationship [Domain] Hedging Designation [Domain] Adjustments and Eliminations [Member] Impaired Long-Lived Assets Held and Used by Type [Axis] Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Impairment Testing for Long-Lived Assets Non-cash asset impairment charges recorded in operating costs and expenses Non-cash asset impairment charges Non-cash asset impairment charges Income before income taxes Pre-Tax Net Book Income ("NBI") Condensed Consolidating Statement of Operations UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Provision for Income Taxes Income Tax Disclosure [Text Block] Provision for Income Taxes [Abstract] Income Statement and Other Comprehensive Income Location [Domain] Add: Equity in income of unconsolidated affiliates Equity in income (loss) of unconsolidated affiliates Equity in income of unconsolidated affiliates Equity in income of unconsolidated affiliates Provision for income taxes Total provision for (benefit from) income taxes Benefit from (provision for) income taxes (see Note 16) Income Tax Expense (Benefit) Federal income taxes computed by applying the federal statutory rate to NBI of corporate entities Reconciliation of the provision for income taxes [Abstract] Valuation allowance Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance State income taxes (net of federal benefit) Income Taxes Cash payments for federal and state income taxes Other permanent differences Accounts receivable - related parties Increase (Decrease) in Accounts Receivable, Related Parties Prepaid and other current assets Increase (Decrease) in Other Current Assets Accounts payable - trade Other current liabilities Other liabilities Accounts receivable - trade Increase (Decrease) in Accounts Receivable Summary of changes in outstanding units [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Other assets Increase (Decrease) in Other Noncurrent Assets Accounts payable - related parties Increase (Decrease) in Accounts Payable, Related Parties Inventories Increase (Decrease) in Inventories Net effect of changes in operating accounts (see Note 20) Net effect of changes in operating accounts Increase (Decrease) in Operating Capital Increase (decrease) in: Accrued interest Decrease (increase) in: Decrease (increase) in restricted cash Increase (Decrease) in Restricted Cash Incremental option units (in units) Intangible assets, net: (see Note 11) Intangible assets, net of accumulated amortization of $1,050.0 at December 31, 2012 and $990.4 at December 31, 2011 Carrying Value Carrying Value Accrued interest Accrued interest Interest Payable, Current Capitalized interest Interest capitalized Interest expense Interest Expense Interest rate derivative instruments: Interest rate derivatives Interest rate derivatives Interest Rate Derivative Assets, at Fair Value Cash payments for interest, net of $116.8, $106.7 and $47.2 capitalized in 2012, 2011 and 2010, respectively Interest Rate Swap [Member] Other, non-principal amounts: Accumulated other comprehensive loss related to interest rate derivative instruments expected to be reclassified to earnings in interest expense over the next twelve months Interest rate derivatives [Member] Location - Interest expense [Member] Inventories Available-for-Sale Inventory by Product Type [Abstract] Lower of cost or market adjustments Inventories Inventory Disclosure [Text Block] Summary of cost of sales and lower of cost or market adjustments [Abstract] Inventories Total Inventory, Net Inventories [Abstract] Interest income Distribution income from Energy Transfer Equity Investments in unconsolidated affiliates Investments in unconsolidated affiliates Junior Subordinated Notes [Member] Junior Subordinated Debt [Member] Long-term Debt, Type [Domain] Long-term Debt, Type [Axis] Land [Member] Lease and rental expense included in costs and expenses Operating lease obligations [Abstract] Leases, Operating [Abstract] Total current liabilities Liabilities, Current Financial liabilities Liabilities, Fair Value Disclosure Current liabilities: LIABILITIES AND EQUITY Financial liabilities [Abstract] Total liabilities and equity Liabilities and Equity Limited Partners [Member] Maximum common units authorized for issuance (in units) Limited partners' equity Capital account, units outstanding (in units) Units outstanding (in units) Limited partners: Limited partners ownership interest (in hundredths) Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Maximum borrowing capacity Debt obligations Long-Lived Assets to be Abandoned by Asset [Axis] Scheduled maturities of debt obligations [Abstract] Long-Lived Assets to be Abandoned, Asset Name [Domain] 2015 Long-term Debt, Maturities, Repayments of Principal in Year Three 2014 Long-term Debt, Maturities, Repayments of Principal in Year Two 2016 Long-term Debt, Maturities, Repayments of Principal in Year Four 2013 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2017 Long-term Debt, Maturities, Repayments of Principal in Year Five Current maturities of debt Current maturities of debt (see Note 12) Less current maturities of debt Long-term debt Long-term debt (see Note 12) Total long-term debt Thereafter After 2017 Long-term Debt, Maturities, Repayments of Principal after Year Five Loss Contingencies [Table] Litigation accruals on an undiscounted basis Loss Contingencies by Nature of Contingency [Axis] Loss Contingencies [Line Items] Estimate of cost related to incident Loss Contingency, Nature [Domain] Major Customers [Axis] Marine vessels [Member] Marine Services Equipment [Member] Scheduled Maturities of Debt [Abstract] Maturities of Long-term Debt [Abstract] Maximum [Member] Minimum [Member] Joint venture partners Net Income (Loss) Attributable to Noncontrolling Interest, Joint Venture Partners Cash distributions paid to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Components of noncontrolling interests [Abstract] Limited partners of Duncan Energy Partners other than EPO and its subsidiaries (prior to Duncan Merger) Net Income (Loss) Attributable to Noncontrolling Interest, Limited Partnerships Components of net income attributable to noncontrolling interests [Abstract] Joint venture partners Noncontrolling Interest in Joint Ventures Movement in valuation allowances and reserves [Roll Forward] Name of Major Customer [Domain] NGLs [Member] Processing plants [Member] Natural Gas Processing Plant [Member] Natural Gas [Member] Midstream services Financing activities: Cash used in investing activities Net Cash Provided by (Used in) Investing Activities As reported diluted earnings per unit (in dollars per unit) Net income attributable to limited partners, diluted (in dollars per unit) Diluted earnings per unit (in dollars per unit) Net income attributable to limited partners Net Income (Loss) Allocated to Limited Partners Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Diluted earnings per unit: Investing activities: Operating activities: As reported basic earnings per unit (in dollars per unit) Net income attributable to limited partners, basic (in dollars per unit) Basic earnings per unit (in dollars per unit) Net income attributable to entity Net income attributable to limited partners Net income attributable to limited partners Net cash flows provided by operating activities Net Cash Provided by (Used in) Operating Activities Net loss (income) attributable to noncontrolling interests Total Net income attributable to noncontrolling interests (see Note 13) Net Income (Loss) Attributable to Noncontrolling Interest Recent Accounting Developments [Abstract] Other Subsidiaries (Non-guarantor) [Member] Non-Guarantor Subsidiaries [Member] Other expense, net Total other expense, net Other income (expense): Other income (expense): Number of reportable segments Number of Reportable Segments Noncontrolling Interests [Member] Noncontrolling Interest [Member] Derivatives not designated as hedging instruments [Member] Not Designated as Hedging Instrument [Member] Office furniture and equipment [Member] Office Equipment [Member] Thereafter Location - Operating costs and expenses [Member] Operating lease obligations [Abstract] Operating loss carryforwards expiration period Less: Operating costs and expenses Operating costs and expenses Total operating costs and expenses Operating costs and expenses: Operating costs and expenses: Operating income Operating income 2015 2014 2013 2016 2017 Operating Leases, Future Minimum Payments, Due in Five Years Total Operating Leases, Future Minimum Payments Due Partnership Operations, Organization and Basis of Presentation [Abstract] Partnership Operations, Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Other operating activities Other assets Other assets Other Assets, Noncurrent Change in funded status of pension and postretirement plans, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other current assets [Member] Other Current Assets [Member] Total cash flow hedges Cash flow hedges Changes in fair value of cash flow hedges Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Cash flow hedges: Foreign currency translation adjustment Other operating costs and expenses Other current liabilities Other current liabilities Other Liabilities, Current Other, net Total Other long-term liabilities Other Liabilities, Noncurrent Other Nonoperating Income (Expense) [Abstract] Location - Other income [Member] Other assets [Member] Other Assets [Member] Other liabilities [Member] Other Liabilities [Member] Enterprise Products Partners L.P. (Guarantor) [Member] Parent Company [Member] Statement, Partner Type of Partners' Capital Account [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partners' and other owners' equity Total partners' equity Other Partners' Capital, Other Acquisition of treasury units in connection with vesting of equity-based awards (in units) Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards (in units) Partners' equity: Beginning Balance (in units) Ending Balance (in units) Partners' Capital Account, Units Amortization of fair value of equity-based awards Net cash proceeds from issuance of common units Partners' Capital Account, Sale of Units Number of common units issued (in units) Cash distributions paid to limited partners Partners' Capital Account, Distributions Total cost of treasury units Common units issued in connection with underwritten offerings (in units) Noncontrolling interests Total equity Balance Balance Partners' Capital, Including Portion Attributable to Noncontrolling Interest Common units issued in connection with the vesting of unit options (in units) Acquisition of noncontrolling interest in subsidiary Partners' Capital Account, Acquisitions Other investing activities Payments for (Proceeds from) Other Investing Activities Debt issuance costs Payments of Debt Issuance Costs Monetization of interest rate derivative instruments (see Note 6) Payments for (Proceeds from) Hedge, Financing Activities Capital expenditures Payments to Acquire Property, Plant, and Equipment Investments in unconsolidated affiliates Payments to Acquire Interest in Subsidiaries and Affiliates Cash distributions paid to noncontrolling interests Total Cash distributions paid to noncontrolling interests (see Note 13) Payments of Ordinary Dividends, Noncontrolling Interest Total cash used for business combinations Cash used for business combinations Cash used for business combinations (see Note 10) Litigation matters [Member] Pending Litigation [Member] Pipelines and related equipment [Member] Pipelines [Member] Plan Name [Domain] Plan Name [Domain] Plan Name [Axis] Prepaid and other current assets Prepaid Expense and Other Assets, Current Commodity derivatives Asset commodity derivatives Commodity derivative instruments: Commodity derivatives Liability commodity derivatives Accumulated other comprehensive income (loss) related to commodity derivative instruments expected to be reclassified to earnings over the next twelve months Contributions in aid of construction costs Other financing activities Borrowings under debt agreements Aggregate debt borrowed during period Net Cash Proceeds from Sale of Common Units [Abstract] Net cash proceeds from issuance of common units Net cash proceeds from issuance of common units Proceeds from property damage insurance recoveries Proceeds from disposal of assets Proceeds from disposal of assets (see Note 20) Proceeds from disposal of assets Net income Net income Net income Net income Estimated useful life Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment [Abstract] Schedule of Significant Acquisitions and Disposals [Table Text Block] Property, Plant and Equipment, Schedule of Significant Acquisitions and Disposals [Table Text Block] Property, Plant and Equipment Property, plant and equipment and accumulated depreciation [Abstract] Property, plant and equipment, net (see Note 8) Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment and Accumulated Depreciation Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Quarterly Financial Information (Unaudited) Quarterly Financial Information [Text Block] Quarterly Financial Information (Unaudited) [Abstract] Range [Axis] Range [Domain] Reconciliation of total Segment Gross Operating Margin [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transaction [Line Items] General and administrative expenses Related parties Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party Related Party [Domain] Total costs and expenses - related parties Related Party Transactions [Abstract] Related Party Transactions, by Related Party [Axis] Repayments of debt Repayments of Notes Payable Reserve for Environmental Costs [Member] Restricted cash Restricted Common Units [Member] Restricted Common Unit Awards [Member] Restricted cash [Abstract] Revenue Recognition [Abstract] Revenues from related parties Total revenue - related parties Related parties Deferred Revenues Intersegment and intrasegment revenues Segment Reporting Information, Intersegment Revenue Revenues Total consolidated revenues Total revenues (see Note 14) Revenues: Revolving Credit Facility [Member] Revolving Credit Facility [Member] Significant Risks and Uncertainties [Abstract] Exercisable - Aggregate intrinsic value Expected life (in years) Weighted average remaining contractual term Forecasted Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Location - Revenue [Member] Fair Value Allocation of Assets and Liabilities Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Summary of Changes in Outstanding Units Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Federal and State Income Tax Provision Fair Value Measurements of Financial Assets and Liabilities Measured on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] AROs Restricted Common Unit Awards Derivative Instruments Effects on Statements of Comprehensive Income Net Effect of Changes in Operating Assets and Liabilities Basic and Diluted Earnings Per Unit Consolidated Debt Maturities Inventory Amounts by Product Type Reconciliation of Provision for Income Taxes Schedule of Finite And Indefinite Lived Intangible Assets by Major Class [Table] Unit Option Activity Gain/(Loss) Recognized in Income on Derivative Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Unit Appreciation Rights Activity Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Quarterly Financial Information (Unaudited) Schedule of Capital Units [Table] Components of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Gain/(Loss) Reclassified from Accumulated Other Comprehensive Income/(Loss) to Income (Effective Portion) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Gain/(Loss) Recognized in Income on Derivative (Ineffective Portion) Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Gains Recognized in Connection with Business Interruption Proceeds Supplemental Information Regarding Unit Options Schedule of Business Acquisitions, by Acquisition [Table] Components of Accumulated Other Comprehensive Income (Loss) Condensed Consolidating Financial Information Schedule of Condensed Financial Statements [Table Text Block] Consolidated Debt Obligations Schedule of Distributions Made to Member or Limited Partner [Table] Schedule of Condensed Financial Statements [Table] Schedule of Condensed Financial Statements [Table] Schedule of Equity Method Investments [Table] Equity-based Award Expense Schedule of Equity Method Investments [Line Items] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Credit Risk Due to Industry Concentrations Schedule of Equity Method Investment, Equity Method Investee, Name [Axis] Hedging Instruments Under the FASB's Derivative and Hedging Guidance Schedule of Guarantor Obligations [Table] Changes in Carrying Amount of Goodwill Schedule of Other Nonoperating Income Schedule of Goodwill [Table] Schedule of Segment Reporting Information, by Segment [Table] Equity-Based Awards [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Significant Acquisitions and Disposals [Table] Schedule of Related Party Transactions, by Related Party [Table] Information by Business Segments Schedule of Property, Plant and Equipment [Table] Derivative Assets and Liabilities Balance Sheet Derivative Instruments Effects on Statements of Operations Segment Reporting Information [Line Items] Consolidated Revenues [Abstract] Segment Reporting Information, Revenue for Reportable Segment [Abstract] Business Segments [Abstract] Information by business segment [Abstract] Total revenues Segment Reporting Information, Revenue for Reportable Segment Business Segments Segment Reporting Disclosure [Text Block] Segment [Domain] Senior Notes [Member] Total principal amount of senior debt obligations [Member] Senior Debt Obligations [Member] Total intrinsic value of our restricted common unit awards that vested during period Summary of awards activity, equity instruments other than options, additional disclosures [Abstract] Summary of awards activity, equity instruments other than options [Roll Forward] Granted weighted-average grant date fair value per unit (in dollars per unit) Forfeited (in units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Weighted-average grant date fair value per unit, at beginning of period (in dollars per unit) Weighted-average grant date fair value per unit, at end of period (in dollars per unit) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Options outstanding, weighted-average strike price [Roll Forward] Restricted units outstanding, weighted-average grant date fair value [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Beginning of period (in units) End of period (in units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Vested (in units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Equity-based compensation expense [Abstract] Weighted average strike price, granted (in dollars per unit) Granted (in units) Weighted average strike price, exercised (in dollars per unit) Weighted average strike price, forfeited (in dollars per unit) Weighted-average risk-free interest rate (in hundredths) Weighted-average expected unit price volatility (in hundredths) Exercisable - Weighted average strike price (in dollars per unit) Weighted-average expected distribution yield (in hundredths) Vested weighted-average grant date fair value per unit (in dollars per unit) Weighted-average grant date market price of option awards issued Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Total intrinsic value of unit option awards exercised during period Exercisable (in units) Remaining number of common units available to be issued as awards (in units) Summary of awards activity, options [Roll Forward] Maximum number of common units that may be issued as awards (in units) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Granted (in units) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Forfeited (in units) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Weighted average strike price, beginning of period (in dollars per unit) Weighted average strike price, end of period (in dollars per unit) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Aggregate intrinsic value Beginning of period (in units) End of period (in units) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Award Type [Domain] Award Type [Domain] Equity-based Awards Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Significant Acquisitions and Disposals [Line Items] Significant Acquisitions and Disposals, Transaction [Domain] Significant Acquisitions and Disposals by Transaction [Axis] Statement [Table] Statement [Line Items] STATEMENTS OF CONSOLIDATED EQUITY Condensed Consolidating Statement of Cash Flows UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED CASH FLOWS Statement, Business Segments [Axis] Statement, Business Segments [Axis] Condensed Consolidating Balance Sheet UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS Condensed Consolidating Statement of Comprehensive Income STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME Maximum common units authorized for repurchase under a buy-back program (in units) Stock Repurchase Program, Number of Shares Authorized to be Repurchased Maximum remaining common units authorized for repurchase under a buy-back program (in units) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Exercised (in units) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Equity and Distributions Stockholders' Equity Note Disclosure [Text Block] Subsequent Events Subsequent Events [Text Block] Subsequent Events [Abstract] Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Event Type [Axis] Subsequent Event [Table] Subsequent Event [Member] Subsidiary Issuer (EPO) [Member] Supplemental Cash Flow Information [Abstract] Allowance for Doubtful Accounts Transportation equipment [Member] Treasury Units [Member] Treasury Stock [Member] Type of Derivatives Outstanding Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unrealized gain (loss) recognized as a component of net income related to financial assets and liabilities Changes in fair market value of derivative instruments Unrealized Gain (Loss) on Derivatives 2013 Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months Thereafter Unrecorded Unconditional Purchase Obligation, Due after Five Years Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] 2016 Unrecorded Unconditional Purchase Obligation, Due within Four Years Unrecorded Unconditional Purchase Obligation [Line Items] Total Unrecorded Unconditional Purchase Obligation 2017 2014 Unrecorded Unconditional Purchase Obligation, Due within Two Years 2015 Unrecorded Unconditional Purchase Obligation, Due within Three Years Estimates Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves [Domain] Charged to costs and expenses Valuation Allowances and Reserves, Charged to Cost and Expense Balance at beginning of period Balance at end of period Valuation Allowances and Reserves, Balance Deductions Valuation Allowances and Reserves, Deductions Acquisition-related additions and other Valuation Allowances and Reserves, Charged to Other Accounts Valuation and Qualifying Accounts Disclosure [Line Items] Valuation Allowances and Reserves Type [Axis] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Distribution-bearing common units outstanding (in units) Weighted Average Limited Partnership Units Outstanding, Diluted As reported basic units outstanding (in units) Weighted Average Number of Shares Outstanding, Basic As reported diluted units outstanding (in units) Total (in units) Weighted Average Number of Shares Outstanding, Diluted Distribution-bearing common units outstanding (in units) Weighted Average Limited Partnership Units Outstanding, Basic Carrying value as of the balance sheet date of obligations incurred and payable to third parties for natural gas, NGLs and petrochemicals that has been sold but not delivered. For classified balance sheets, used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); for unclassified balance sheets, used to reflect the total liabilities (regardless of due date). Accrued product payables Revenues from third parties. Third Party Revenue Revenues from third parties Third parties Operating costs and expenses from third parties. Third Party Operating Costs And Expenses Third parties General and administrative costs and expenses from third parties. General And Administrative Third Party Third parties Net of tax effect change in accumulated gains and losses from commodity derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses. Net Commodity Financial Instrument Gain Losses During Period Changes in fair value of cash flow hedges Reclassification of accumulated gains and losses from a component of accumulated other comprehensive income to a component of net income. Reclassification Adjustment For Gains Losses In Net Income Related To Commodity Derivative Instruments Reclassification of losses to net income Net of tax effect change in accumulated gains and losses from interest rate derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses. Net Interest Rate Financial Instrument Gains Losses During Period Changes in fair value of cash flow hedges Reclassification of accumulated gains and losses from a component of accumulated other comprehensive income to a component of net income. Reclassification Adjustment For Gains Losses In Net Income Related To Interest Rate Derivative Instruments Reclassification of losses to net income Reclassification of accumulated gains and losses from a component of accumulated other comprehensive income to a component of net income. Reclassification Adjustment For Gains Losses In Net Income Related To Foreign Currency Derivative Instruments Reclassification of gains to net income The entity's proportionate share for the period of the other comprehensive income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Proportionate Share Of Other Comprehensive Income Loss Of Unconsolidated Affiliate Proportionate share of other comprehensive income of unconsolidated affiliate This item represents the gross profit realized on the sale of equity securities Sale Of Securities Gross Realized Gains Gain on sales of Energy Transfer Equity common units Total cash contributions from noncontrolling interests. Partners Capital Account Contributions from noncontrolling interest Cash contributions from noncontrolling interests Issuance of common units pursuant to Duncan Merger. Issuance Of Common Units Pursuant To Merger Equity transferred pursuant to Duncan Merger Issuance of common units pursuant to Duncan Merger (see Note 13) Change in the different classes of partners' capital accounts during the year due to common units exchanged for interest in trucking business. Partners include general, limited and preferred partners. Partners Capital Account Common Units Exchanged For Interest In Trucking Business Common units issued to EPCO in exchange for equity interest in trucking business Non-cash acquisition handled with the issuance of common units Common units issued in connection with acquisitions Common units issued in connection with acquisition of marine shipyard business Issuance of common units pursuant to Holdings Merger. For accounting purposes, Holdings is deemed the acquirer of the noncontrolling interests in Enterprise that were previously recognized in Holdings' consolidated financial statements. The historical noncontrolling interest of Holdings related to the limited partner interest in Enterprise that were owned by third parties and related parties other than Holdings was reclassified to limited partners equity at the effective date of the Holdings Merger. Issuance Of Common Units Pursuant To Merger Two Equity transferred pursuant to Holdings Merger Issuance of common units pursuant to Holdings Merger (see Note 13) Disclosure of the entity's revenue recognition policies by business segment. Revenue Recognition [Text Block] Revenue Recognition Equity and Distributions [Abstract] Condensed Consolidating Financial Information [Abstract] Schedule of Mergers [Table] Identification of the merger entered into by the Entity. Mergers [Axis] The name of the merger that was entered into by the Entity. Mergers [Domain] Events representing the merger of Enterprise Products Partners and Duncan Energy Partners. Duncan Merger [Member] Holdings Merger Holdings Merger [Member] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Schedule of Mergers [Line Items] Mergers [Line Items] Minimum insurance deductible amount per incident. Minimum insurance deductible per incident Minimum insurance deductible per incident Maximum insurance deductible amount per incident. Maximum insurance deductible per incident Maximum insurance deductible per incident Coverage provided by producers associated with Independence Hub and Marco Polo platforms to cover windstorm generated physical damage. Windstorm Coverage By Producers Coverage by certain producers for each of the Independence Hub and Marco Polo platforms Schedule of Gains Recognized From Business Insurance Recoveries [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Schedule of Gains Recognized From Business Insurance Recoveries [Line Items] December 2011 Falcon Compressor Station Incident. December 2011 Falcon Compressor Station Incident [Member] Represents gains related to property damage insurance proceeds received during the period disclosed. Gains related to property damage proceeds Gain attributable to the difference between deferred income taxes as accrued by the pre-converted entity through the date of conversion and current income taxes computed by applying income tax rates to the taxable income of the converted entities. Tax gain on conversion of corporate subsidiaries into LLC Tax gain on conversion of corporate subsidiaries into limited liability companies Document And Entity Information [Abstract] The number of common units cancelled immediately after the merger. Number Of Units Cancelled After Merger Common units cancelled immediately after merger (in units) Common units cancelled in connection with the Holdings Merger (in units) The economic general partner interest and its incentive distribution rights in Enterprise that were cancelled in connection with the merger. General Partner Ownership Cancelled As Result Of Merger General partner ownership interest cancelled as a result of merger (in hundredths) The number of years a privately held affiliate agreed to waive the regular quarterly cash distributions after the merger closing date. Number Of Years Privately Held Affiliate Agreed To Waive Regular Quarterly Cash Distributions Number of years a privately held affiliate agreed to waive regular quarterly cash distributions (in years) The number of common units outstanding (the Designated Units) on which a private held affiliate agreed to temporarily waive regular quarterly cash distributions it would otherwise receive, for a five-year period after the merger beginning November 22, 2010. Number Of Designated Units Number of Designated Units (in units) Number of Designated Units expected to be excluded from distributions during the next calendar year following the latest calendar year. Number of Designated Units to be excluded from distributions during the next calendar year Number of Designated Units to be excluded from distributions during 2013 Number of Designated Units expected to be excluded from distributions during the second calendar year following the latest calendar year. Number of Designated Units expected to be excluded from distributions during the second calendar year. Number of Designated Units to be excluded from distributions during 2014 Number of Designated Units expected to be excluded from distributions during third calendar year following the latest calendar year. Number of Designated Units expected to be excluded from distributions during third calendar year Number of Designated Units to be excluded from distributions during 2015 Describes an entity's accounting policy for breaking out amounts on the balance sheet in other current assets and other current liabilities. Current Assets And Current Liabilities Policy [Text Block] Current Assets and Current Liabilities Tabular disclosure of interest rate terms of EPO junior note debt obligations. Junior Notes Obligation Information [Text Block] Junior Subordinated Notes Interest Rate Terms Disclosure of accounting policy for liquids exchange contracts. Liquids Exchange Contracts [Policy Text Block] Liquids Exchange Contracts A description of the enterprise's accounting for gas balancing arrangements. Natural Gas Imbalances [Policy Text Block] Natural Gas Imbalances Describes an entity's accounting policy for revenue recognition. General Revenue Recognition Policy [Text Block] Revenue Recognition Tabular disclosure of the allowance for doubtful accounts, including charges and other changes to the balance. Allowance for Doubtful accounts [Table Text Block] Allowance for Doubtful Accounts Activity Tabular disclosure of material changes in the expected aggregate amount of environmental loss contingencies since the prior balance sheet date. This element may be used for an entity's entire roll forward of environmental loss contingencies. Environmental reserves activity [Table Text Block] Environmental Reserves Activity Tabular disclosure of natural gas imbalance receivables and payables. Natural gas imbalance receivables/payables [Table Text Block] Natural Gas Imbalance Receivables and Payables Current assets and current liabilities [Abstract] Current assets and liabilities below this amount are combined for Balance Sheet Presentation. Threshold for components of total current assets and liabilities to be presented as an individual caption on Consolidated Balance Sheet Threshold for components of total current assets and liabilities to be presented as an individual caption on Consolidated Balance Sheet (in hundredths) Liquids Exchange Contracts [Abstract] Liquids exchange contracts [Abstract] Item represents the net payable liquids exchange balance as of the balance sheet date. Net Payable Liquids Exchange Balance Liquids exchange balance, payables Natural Gas Imbalance [Abstract] Natural gas imbalance [Abstract] Carrying value as of the balance sheet date of goods and services delivered and receivable from an overproduced working interest owner when an underproduced working interest owner has sold gas in excess of the party's ownership percentage. Used to reflect the current portion of the assets (due within one year or within the normal operating cycle if longer). Natural gas imbalance receivables Component of other nonoperating income (expense) not separately disclosed. Other Nonoperating Income Expense Other Other Tabular disclosure of the cash distributions paid with respect to restricted common units and the total intrinsic value of restricted common units that vested during the periods indicated. Cash Distributions and Total Intrinsic Value of Restricted Common Units [Table Text Block] Cash Distributions and Total Intrinsic Value of Restricted Common Units The 1998 Long-Term Incentive Plan provides for awards of our common units and other rights to our non-employee directors and to employees of EPCO and its affiliates providing services to us. Long Term Incentive Plan (1998) [Member] Long-Term Incentive Plan (1998) [Member] The 2008 Long-Term Incentive Plan provides for awards of our common units and other rights to our non-employee directors and to consultants and employees of EPCO and its affiliates providing services to us. Long Term Incentive Plan (2008) [Member] Long-Term Incentive Plan (2008) [Member] The 2010 Long-Term Incentive Plan provides for awards to employees, directors or consultants providing services to Duncan Energy Partners. Long Term Incentive Plan (2010) [Member] Long-Term Incentive Plan (2010) [Member] Unit option awards as awarded by a company to their employees as a form of incentive compensation. Unit Option Awards [Member] Other equity-based awards, not otherwise specified, as awarded by a company to their employees as a form of incentive compensation. Other Equity Based Awards [Member] Other Equity-based Awards [Member] Unit appreciation rights as awarded by a company to their employees as a form of incentive compensation. Unit Appreciation Rights [Member] Limited partnership interests as awarded by a company to their employees as a form of incentive compensation. Employee Partnerships [Member] The business and operations of of Enterprise Products Partners L.P. and it's consolidated subsidiaries (excluding Duncan Energy Partners L.P.). Enterprise [Member] Represents entity's subsidiary, Duncan Energy Partners. Duncan Energy Partners [Member] Represents entity's subsidiary, Holdings Holdings [Member] The number of equity-based payment instruments, excluding stock (or unit) options, that were settled, forfeited or cancelled during the reporting period. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Settled Forfeited Or Cancelled Settled, forfeited or cancelled (in units) The number of shares under a share-based award plan that were assumed during the period in accordance with a merger or business combination. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Awards Assumed Merger Two Awards assumed by Enterprise in connection with the Holdings Merger (in units) The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited During Period Weighted Average Grant Date Fair Value Forfeited weighted-average grant date fair value per unit (in dollars per unit) The total grant date fair value of share-based awards issued during the period. Grant Date Fair Value Of Equity Awards Issued During Period Aggregate grant date fair value The grant date fair value price per unit for share-based awards issued during the period. Grant Date Fair Value Of Equity Awards Issued Price Grant date market price of common units (in dollars per unit) The estimated grant date forfeiture rate applied to the recognized compensation expense of equity based awards. Grant Date Estimated Forfeiture Rate Equity Awards Estimated forfeiture rate (in hundredths) Represents the number of equity-based awards granted during the period to independent directors of the entities general partner. Unit Based Awards Issued To Independent Directors Of Entities General Partner Equity based awards issued to independent directors of the entities' general partner (in units) The cash distributions made to restricted units holders during the period. Reflected as a component of cash distributions paid to partners on the equity statement. Restricted Unit Compensation Distributions Paid For Restricted Units Cash distributions paid to restricted common unit holders The weighted average period between the balance-sheet date and expiration for all vested portions of options outstanding and currently exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years. Options Exercisable Weighted Average Remaining Contractual Term Exercisable - Weighted average remaining contractual term (in years) The number of option awards that vested during the period. Option Awards Vested Option awards vested during period (in units) Additional option awards exercisable in the next fiscal year following the date of the latest balance sheet presented in the financial statements, of the option awards outstanding as of the balance sheet date. Equity Awards Exercisable In Next Fiscal Year Awards exercisable in 2013 (in units) Additional option awards exercisable in year two following the date of the latest balance sheet presented in the financial statements, of the option awards outstanding as of the balance sheet date. Equity Awards Exercisable In Year Two Awards exercisable in 2014 (in units) Additional option awards exercisable in year three following the date of the latest balance sheet presented in the financial statements, of the option awards outstanding as of the balance sheet date. Equity Awards Exercisable In Year Three Awards exercisable in 2015 (in units) Additional option awards exercisable in year four following the date of the latest balance sheet presented in the financial statements, of the option awards outstanding as of the balance sheet date. Equity Awards Exercisable In Year Four Awards exercisable in 2016 (in units) The cash received from from private company affiliate in connection with the exercise of unit option awards. Unit Option Exercises Cash Received From Private Company Affiliate Cash received from EPCO in connection with the exercise of unit option awards Reimbursement to private company affiliate for the cash difference between the strike price paid by the employee and the actual price paid for the units issued to the employee. Unit Option Reimbursements To Private Company Affiliate Unit option-related cash reimbursements to EPCO Employee Partnerships [Abstract] Amount of cost recognized in connection with the liquidation of Employee Partnerships. Cost Recognized In Connection With Liquidation Of Employee Partnerships Costs recognized in connection with liquidation of Employee Partnerships Aggregate grant date fair value of Employee Partnerships at time of liquidation. Aggregate Grant Date Fair Value At Time Of Liquidation Aggregate grant date fair value of the Employee Partnerships at the time of liquidation Aggregate grant date fair value of assets forecast to be distributed to the Class B limited partners upon dissolution of the Employee Partnership. Aggregate Grant Date Fair Value Assets Forecast To Be Distributed Aggregate grant date fair value of the assets forecast to be distributed to the Class B limited partners upon dissolution of the Employee Partnerships Changes in the aggregate grant date fair value [Roll Forward] Changes in the aggregate grant date fair value of the Employee Partnerships [Roll Forward] Aggregated fair value of Employee Partnerships at beginning of year. Aggregate Grant Date Fair Value Of Profits Interests Aggregate grant date fair values at beginning of period Aggregate grant date fair values at end of period Modifications of Employee Partnership awards. Aggregate Grant Date Fair Value Modification Of Profits Interests During Period Modifications Other adjustments of Employee Partnership awards. Aggregate Grant Date Fair Value Other Adjustments To Profits Interests During Period Other, including forfeiture and regrant activity Liquidations of Employee Partnership awards. Aggregate Grant Date Fair Value Liquidation Of Partnerships During Period Liquidation of partnerships Tabular disclosure of amortizable finite and indefinite lived intangibles assets by segment, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Schedule Of Finite And Indefinite Lived Intangible Assets By Segment [Table Text Block] Intangible Assets by Segment Tabular disclosure of the amortization expense of intangible assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. Amortization Expense Of Intangible Assets By Segment [Table Text Block] Amortization Expense of Intangible Assets by Segment Represents material intangible assets acquired during the period from business combinations. Significant Acquired Intangible Assets [Text Block] Significant Acquired Intangible Assets NGL Pipelines and Services business segment. NGL Pipelines and Services [Member] NGL Pipelines & Services [Member] Onshore Natural Gas Pipelines and Services business segment. Onshore Natural Gas Pipelines And Services [Member] Onshore Natural Gas Pipelines & Services [Member] Onshore Crude Oil Piplines and Services business segment. Onshore Crude Oil Pipelines and Services [Member] Onshore Crude Oil Pipelines & Services [Member] Offshore Pipelines and Services business segment. Offshore Pipelines And Services [Member] Offshore Pipelines & Services [Member] Petrochemical and Refined Products and Services business segment. Petrochemical and Refined Products Services [Member] Petrochemical & Refined Products Services [Member] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Schedule of Finite And Indefinite Lived Intangible Assets by Major Class [Line Items] Identifiable intangible assets [Abstract] Customer relationships acquired in connection with acquisition of State Line gas gathering systems. State Line Gathering [Member] Customer relationships acquired in connection with acquisition of Fairplay gas gathering systems. Fairplay Gathering [Member] Customer relationships acquired in connection with acquisition of Fairplay gas gathering systems. Fairplay Processing [Member] The aggregation and reporting of combined amounts of business combinations that were completed during the period. State Line and Fairplay [Member] Customer relationships acquired in connection with acquisition ofSan Juan gas gathering systems. San Juan Gathering [Member] Customer relationships acquired in connection with acquisition of Offshore pipelines and platforms. Offshore Pipelines and Platforms [Member] Customer relationships acquired in connection with acquisition of Encinal. Encinal [Member] Customer relationships acquired in connection with acquisition of Jonah gas gathering systems. Jonah Gas Gathering [Member] Customer relationships acquired in connection with acquisition of Shell processing agreement Shell Processing Agreement [Member] The aggregation and reporting of combined amounts of business combinations that were completed during the period. Marine Transportation Business [Member] Marine Transportation Business [Member] The aggregation and reporting of combined amounts of business combinations that were completed during the period. Crude Oil Trucking Business [Member] Acquisition of trucking business from EPCO. Trucking Business Acquired From EPCO [Member] Trucking Assets Acquired From EPCO [Member] Acquisition of assets related to marine shipyard operations. Certain Assets Related to Marine Shipyard Operations [Member] Marine Shipyard Business [Member] Other Acquisitions [Member] Other [Member] Schedule for goodwill recorded in connection to business combination Goodwill Recorded in Connection to Business Combination [Text Block] Goodwill Recorded in Connection to Business Combination Tabular disclosure of the components of Noncontrolling Interest at the dates presented. Noncontrolling Interest Balance Sheet Detail [Table Text Block] Components of Noncontrolling Interests Tabular disclosure of the components of Noncontrolling Interest for the periods presented. Noncontrolling Interest Income Statement Detail [Table Text Block] Components of Net Income Attributable to Noncontrolling Interests Tabular disclosure of the cash distributions paid to and cash contributions received from noncontrolling interests during the periods presented. Noncontrolling Interest Cash Distributions And Cash Contributions [Table Text Block] Cash Distributions Paid to and Cash Contributions Received From Noncontrolling Interests Tabular disclosure of total cash distributions paid to partners. Cash Distributions Paid To Partners For Period [Table Text Block] Declared Quarterly Cash Distribution Rates TEPPCO Merger TEPPCO Merger [Member] Common Units Unrestricted [Member] Common Units (Unrestricted) [Member] The amount of quarters that Class B units will remain non-distribution bearing. The Class B units will automatically convert into common units after the last regular quarterly distribution. Number Of Quarters Nondistribution Bearing Number of quarters Class B units are not entitled to regular quarterly cash distributions Treasury Units [Abstract] Total change in restricted units and common units due to the vesting and subsequent conversion of restricted unit awards. Partners Capital Account Units Converted Restricted Units To Common Units Conversion of restricted units to common units (in units) Common units issued in connection with the vesting of restricted common unit awards (in units) Retention unit awards that vested during the period. Retention unit awards that vested during the period Retention unit awards that vested during the period (in units) The number of units sold in connection with at-the-market program of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. Partners Capital Account Units Sold In At the Market Program Common units issued in connection with at-the-market program (in units) Represents the total number of common units in connection with a merger. Business Acquisition Equity Interest Issued Number Of Common Units Issued Common units issued in connection with the Holdings Merger (in units) Common Units Issued in Connection With Merger. Common Units Issued in Connection With Merger Common units issued in connection with Duncan Merger (in units) The total number of units sold in connection with our discount programs, the DRIP and EUPP. Partners Captial Account Units Sold in Discount Program Common units issued in connection with DRIP and EUPP (in units) Number of shares of equity interests issued or issuable to acquire marine shipyard assets. Asset Acquisition Equity Interest Issued Or Issuable Number Of Shares Issued Common units issued in connection with acquisition of marine shipyard assets (in units) Change in the number of units for each class of partners' capital accounts during the year common units exchanged for interest in trucking business. Partners include general, limited and preferred partners. Partners Capital Account Units Exchanged Common units issued to EPCO in exchange for equity interest in trucking business (in units) Common units issued to EPCO in exchange for equity interests in trucking business (in units) Total change in common units due to the vesting and subsequent conversion of other unit awards. Partners Capital Account Units Converted Other Awards To Common Units Common units issued in connection with the vesting of other types of equity-based awards (in units) The number of restricted units issued due to unit-based compensation. Partners Capital Account Units Restricted Unit based Compensation Restricted common units awards issued (in units) Total restricted unit change during the year due to the forfeiture or settlement of restricted unit awards. Partners Capital Account Units Forfeiture Or Settlement Of Restricted Units Forfeiture of restricted common unit awards (in units) Other changes in units during the period. Partners Capital Account Other Units Changes Other (in units) Registration Statements and Equity Offerings [Table] Registration Statements and Equity Offerings [Axis] Description of the type of registration statement or equity offering. Registration Statements and Equity Offerings [Domain] The distribution reinvestment plan (DRIP) provides unitholders of record and beneficial owners of our common units a voluntary means by which they can increase the number of common units they own by reinvesting the quarterly cash distributions they would otherwise receive into the purchase of additional common units. Distribution Reinvestment Plan [Member] Represents the new Enterprise Employee Unit Purchase Plan, formed in Septemeber 2011 in connection with the Duncan Merger with the assumption and conversion of the Duncan Energy Partners EUPP. Enterprise EUPP [Member] Under the employee unit purchase plan (EUPP), employees can purchase our common units at a 10% discount through payroll deductions. Employee Unit Purchase Plan [Member] 2007 Universal shelf registration statement filed with the SEC that allowed us to issue an unlimited amount of debt and equity securities. Shelf Registration 2007 [Member] 2010 Universal shelf registration statement filed with the SEC that allowed us to issue an unlimited amount of debt and equity securities. Shelf Registration 2010 [Member] A registration statement with the SEC authorizing the issuance of up to $1.0 billion in our common units in amounts, at prices and on terms to be determined by market conditions and other factors at the time of our offerings. 2012 Registration [Member] 2012 At-the-Market Registration [Member] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Registration Statements and Equity Offerings [Line Items] "The dollar amount of limited partner units authorized to be issued in amounts, at prices and on terms to be determined by market conditions and other factors at the time of our offerings. Limited Partners Capital Account Units Authorized Dollars Maximum common units authorized for issuance The remaining number of limited partner units available for issuance, after taking into account limited partner units issued to date. The limited partners are partners of a publicly traded limited partnership or master limited partnership. Limited partners have limited liability and do not manage the partnership. Limited Partners Capital Account Remaining Units Available For Issuance Remaining units available for issuance (in units) The number of common units issued in conjunction with the underwriters over-allotment options. Overallotment Included In Number Of Common Units Issued Over-allotment of common units included in offering (in units) Gross proceeds from the sale of common units excluding any related fees. Gross proceeds from the sale of common units The principal amount of senior notes issued during the period, under the universal shelf registration statement. Senior notes issued under universal shelf registration Amount of unrealized gain (loss) related to the increase (decrease) in fair value of commodity derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective. Commodity Cash Flow Hedges Accumulated Other Comprehensive Income Commodity derivative instruments Amount of unrealized gain (loss) related to the increase (decrease) in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective. Interest Rate Cash Flow Hedges Accumulated Other Comprehensive Income Accumulated other comprehensive income (loss) related to interest rate derivative instruments Interest rate derivative instruments The accumulated change in equity not separately disclosed. Accumulated Other Comprehensive Income Loss Other Other Amount of net income (loss) for the period allocated to the limited partners of Enterprise. Noncontrolling Interest In Net Income Loss Attributable To Limited Partners Of Entity Limited partners of Enterprise other than Holdings (prior to Holdings Merger) Cash distributions paid to and cash contributions received from noncontrolling interests [Abstract] Cash Distributions Paid To Noncontrolling Interests [Abstract] Cash distributions paid to noncontrolling interests: Amount of cash distributions made by limited partners of Enterprise. Cash Distributions Paid To Limited Partners Of Entity Limited partners of Enterprise (prior to Holdings Merger) Amount of cash distributions made by our publicly traded subsidiary to third party and related party shareholders. Cash Distributions Paid By Publicly Traded Subsidiary To Shareholders Limited partners of Duncan Energy Partners other than EPO and its subsidiaries (prior to Duncan Merger) Amount of cash distributions made by our consolidated joint ventures to third party ownership interests. Cash Distributions Paid By Consolidated Joint Ventures To Third Party Owners Joint venture partners Cash Contributions From Noncontrolling Interests [Abstract] Cash contributions from noncontrolling interests: Amount of cash contributed to limited partners of Enterprise. Cash Contributions From Limited Partners Of Entity Limited partners of Enterprise (prior to Holdings Merger) Amount of cash contributed by the noncontrolling shareholders of our publicly traded subsidiary. Cash Contributions From Publicly Traded Subsidiary Limited partners of Duncan Energy Partners other than EPO and its subsidiaries (prior to Duncan Merger) Amount of cash contributions to our consolidated joint ventures by third party ownership interests. Cash Contributions From Joint Venture Partners Joint venture partners Total change in common units due to the vesting and subsequent conversion of restricted unit and similar awards. Partners Capital Account Units Converted Restricted Units And Similar Awards To Common Units Conversion of restricted units and similar awards to common units (in units) Tabular disclosure of the calculation of total segment gross operating margin. Total segment gross operating margin is defined as operating income before: (i) depreciation, amortization and accretion expense; (ii) non-cash consolidated asset impairment charges; (iii) operating lease expenses for which we do not have the payment obligation; (iv) gains and losses from asset sales and related transactions and (v) general and administrative costs. Total Segment Gross Operating Margin [Table Text Block] Measurement of Total Segment Gross Operating Margin Tabular disclosure of the reconciliation of total segment gross operating margin to the GAAP measure of income before provision for income taxes. Total Segment Gross Operating Margin Reconciliation [Table Text Block] Reconciliation of Total Segment Gross Operating Margin to Operating Income and Income Before Provision for Income Taxes Tabular disclosure of the components of consolidated revenue by segment and type. This element also provides a detailed disclosure of consolidated costs and expenses. Consolidated Revenues And Expenses [Table Text Block] Consolidated Revenues and Expenses Segment Gross Operating Margin [Abstract] The amount of expense recognized and charged to operating costs and expenses in the current period that reflects the allocation of the cost of assets over the assets' useful lives. Depreciation, amortization and accretion in operating costs and expenses Depreciation, amortization and accretion recorded in operating costs and expenses Depreciation, amortization and accretion Depreciation, amortization and accretion A non-cash expense recorded by the entity, but entity does not have payment obligation Operating Lease Expense Paid By Entity Operating lease expenses paid by EPCO recorded in operating costs and expenses Operating lease expenses paid by EPCO Operating lease expenses paid by EPCO The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. This element refers to the gain (loss) recorded in operating costs and expenses. Gain (Loss) From Asset Sales and Related Transactions in Operating Costs and Expenses Gains attributable to disposal of assets recorded in operating costs and expenses Gains attributable to disposal of assets Gains attributable to disposal of assets Operating income before: (i) depreciation, amortization and accretion expense; (ii) non-cash consolidated asset impairment charges; (iii) operating lease expenses for which we do not have the payment obligation; (iv) gains and losses from asset sales and related transactions and (v) general and administrative costs. Total Segment Gross Operating Margin Total segment gross operating margin Gross operating margin Adjustments To Reconcile Total Segment Gross Operating Margin To Operating Income [Abstract] Adjustments to reconcile total segment gross operating margin to operating income: Other equity method investments not related to any particular business segment. Other Equity Investments [Member] Other Investment [Member] Amount of total assets attributed to the reportable segment. Segment assets Segment assets Revenue from the sale of Natural Gas Liquids, including marketing activities. Natural Gas Liquids Sales Revenue Sales of NGLs and related products Revenues from the sales of by products and other related services. Other Petroleum And Related Products Sales Revenue Sales of petrochemicals and refined products Revenue from the sale of natural gas, including marketing activities. Natural Gas Sales Revenue Sales of natural gas Revenue from the sale of crude oil, including marketing activities. Crude Oil Sales Revenue Sales of crude oil Per-unit exchange ratio in a merger. Merger Exchange Ratio Merger exchange ratio of Enterprise common units for each Holding unit Weighted average number of limited partnership Class B units outstanding determined by relating the portion of time within a reporting period that limited partnership units have been outstanding to the total time in that period. Used in the calculation of diluted earnings per unit. Weighted Average Number of Shares, Class B Units Class B units (in units) Privately held units by an affiliate that temporarily waive the regular quarterly cash distributions it would otherwise receive. Incremental Common Shares Temporarily Waive Cash Distributions Designated Units (in units) Redelivery commitments [Abstract] Redelivery commitments [Abstract] Natural gas to be redelivered to their owners under various agreements. Natural Gas To Be Redelivered Redelivery commitments of natural gas (in Btus) Barrels of crude oil to be redelivered to their owners under various agreements. Crude Oil To Be Redelivered Redelivery commitments of crude oil (in MMBbls) Barrels of NGL and Petrochemical products to be redelivered to their owners under various agreements. Products To Be Redelivered Redelivery commitments of NGL and petrochemical products (in MMBbls) Represents the minimum lease agreement term in years of material lease agreements. Minimum Lease Term of Material Lease Agreements Minimum term of material lease agreements (in years) Represents the maximum lease agreement term in years of material lease agreements. Maximum Lease Term of Material Lease Agreements Maximum term of material lease agreements (in years) For Table 2 in Note 90606 Details Fair Value, Hierarchy 2 [Axis] Fair Value, Hierarchy [Axis] Certain of our lease agreements contain renewal options. Represents the maximum renewal term of our lease agreements. Maximum Lease Renewal Option Renewal option years for certain leases (in years) Other claims [Abstract] Other claims [Abstract] Claims made against joint ventures, partners, certain customers and suppliers related to contractual agreements by the company during the normal course of business. Claims Against Various Parties Related To Contractual Agreements Claims against various parties related to contractual agreements As part of our normal business activities we occasionally have claims made against us as a result of disputes related to contractual agreements or other communications. These matters are in various stages of assessment and the ultimate outcome of such disputes cannot be reasonably estimated at this time. However, in our opinion, the likelihood of a material adverse outcome to us resulting from such disputes is remote. Unasserted Claims Claims against us related to contractual agreements This element represents an investment in the stock of an investee (Centennial Pipeline LLC). Centennial Pipeline LLC [Member] Percentage of Centennial's debt guaranteed by Enterprise. Unconsolidated Affilated Debt Guaranteed Percentage Percentage of debt obligations guaranteed (in hundredths) Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the cash call agreement for certain unconsolidated affiliates. The cash call agreement has been entered into in lieu of insurance. Cash Call Guarantee Cash call guarantee Represents the carrying value of the cash call guarantee liability as of the balance sheet date. Cash Call Guarantee Liability Fair value of cash call guarantee Estimated Cash Interest Payments [Abstract] Estimated cash interest payments [Abstract] Future estimated cash interest payments to be made within the next twelve months on debt obligations outstanding. Estimated Cash Interest Payments In Next Twelve Months 2013 Future estimated cash interest payments to be made in year two on debt obligations outstanding. Estimated Cash Interest Payments In Year Two 2014 Future estimated cash interest payments to be made in year three on debt obligations outstanding. Estimated Cash Interest Payments In Year Three 2015 Future estimated cash interest payments to be made in year four on debt obligations outstanding. Estimated Cash Interest Payments In Year Four 2016 Future estimated cash interest payments to be made in year five on debt obligations outstanding. Estimated Cash Interest Payments In Year Five 2017 Future estimated cash interest payments to be made after year five on debt obligations outstanding. Estimated Cash Interest Payments After Year Five Thereafter Total estimated cash interest payments to be made within five years and thereafter on debt obligations outstanding. Total Estimated Cash Interest Payments Total The estimated purchase obligations related to contracts for the purchase of petrochemicals and refined products. Petrochemicals And Refined Products [Member] The estimated purchase obligations related to contracts for the purchase of other products. Estimated Payment Obligations Other [Member] The estimated commitments related to service obligations outstanding at the balance sheet date. Service Payment Commitments [Member] The estimated commitments related to future capital expenditures outstanding at the balance sheet date. Capital Expenditure Commitments [Member] Total estimated cash payments to be made within five years and thereafter on purchase obligations outstanding. Purchase Obligations [Abstract] Purchase obligations: Total estimated cash payments to be made within five years and thereafter on product purchase obligations outstanding. Product Purchase Commitments [Abstract] Estimated payment obligations: The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation to be paid in the remainder of the current year. Unrecorded Unconditional Purchase Obligation Balance Due Remainder of Current Year Total estimated volumes to be received within five years and thereafter based on outstanding product purchase obligations. Volume Commitments Related To Purchase Obligations [Abstract] Underlying major volume commitments: The amount of product volumes committed for delivery by the end of the current year Purchase Obligation Volume Commitment Remainder of Current Year The amount of product volumes committed for delivery during the twelve months following the balance sheet date. Purchase Obligation Volume Commitment On First Anniversary 2013 The amount of product volumes committed for delivery by the second anniversary of the balance sheet date. Purchase Obligation Volume Commitment On Second Anniversary 2014 The amount of product volumes committed for delivery by the third anniversary of the balance sheet date. Purchase Obligation Volume Commitment On Third Anniversary 2015 The amount of product volumes committed for delivery by the fourth anniversary of the balance sheet date. Purchase Obligation Volume Commitment On Fourth Anniversary 2016 The amount of product volumes committed for delivery by the fifth anniversary of the balance sheet date. Purchase Obligation Volume Commitment On Fifth Anniversary 2017 The amount of product volumes committed for delivery after the fifth anniversary of the balance sheet date. Purchase Obligation Volume Commitment After Fifth Anniversary Thereafter The total amount of product volumes committed for delivery at balance sheet date. Purchase Obligation Volume Commitment Total Eliminations and adjustments to the entity's primary operating subsidiary financial statements recorded in consolidation. EPO and Subsidiaries Eliminations and Adjustments [Member] Consolidated financial information of the entity's primary operating subsidiary. Consolidated EPO and Subsidiaries [Member] Financial information of Holdings and EPGP. Holdings and EPGP [Member] Other income (expense), net items not separately disclosed on the income statement due to materiality considerations. Other Income Expense Other Net Other, net The net change during the reporting period of all assets and liabilities used in operating activities. Net Effect Of Changes In Operating Accounts And Other Operating Activities Net effect of changes in operating accounts and other operating activities The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Net of nonrefundable contributions recorded as contributions in aid of construction (CIAC) and are amortized as a reduction of the depreciation expense associated with the contributed asset. Capital Expenditures Net Of Contributions In Aid Of Construction Cost Capital expenditures, net of contributions in aid of construction costs The net cash outflow (inflow) from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. Other Investing Activities Other investing activities The cash outflow for total distributions to each class of partners (i.e., general, limited and preferred partners). Cash distributions paid to partners Cash distributions paid to partners Cash contributions to entity from any members. Cash contributions from members Cash contributions from owners The net cash inflow (outflow) from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. Other Financing Activities Other financing activities This item represents the amount of units sold of our equity method investment. Equity Method Investment Units Sold Number of Energy Transfer Equity common units sold (in units) The number of common units owned of the investee accounted for under the equity method of accounting. Number of Common Units Owned Accounted For Under Equity Method Number of common units owned accounted for under equity method (in units) The principal percentage at which the debt was issued at on the date indicated. Debt Issued At Percent Of Principal Debt issued as percent of principal amount (in hundredths) Date when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc). Debt Instrument Maturity Maturity Date "Tabular disclosure, for the fair value measurement of assets and liabilities using Level 3 inputs, a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period , segregating those gains by location in the financial statements; (2) purchases, sales, issuances, and settlements (net); and (3) transfers in and transfers out of Level 3. Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block] Reconciliation of Changes in the Fair Value of Level 3 Financial Assets and Liabilities A senior note is a bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for repayment relative to junior and unsecured (general) creditors. Senior Notes C [Member] A senior note is a bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for repayment relative to junior and unsecured (general) creditors. Senior Notes G [Member] A senior note is a bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for repayment relative to junior and unsecured (general) creditors. Senior Notes P [Member] A senior note is a bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for repayment relative to junior and unsecured (general) creditors. Senior Notes AA [Member] A forward-based contract in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. This derivative instrument is not designated as a hedging instrument. Non Hedged Swaps 1 [Member] Expired Undesignated Swaps [Member] A forward-based contract in which two parties agree to swap streams of payments over a specified period. The payment streams are based on an agreed-upon (or notional) principal amount. This derivative instrument is not designated as a hedging instrument. Non Hedged Swaps 2 [Member] Undesignated Swaps [Member] This tranche represents the group of forward starting interest rate swaps, which hedge the expected underlying benchmark interest rates related to forecasted issuances of debt. Future Debt Offering Tranche One [Member] This tranche represents the group of forward starting interest rate swaps, which hedge the expected underlying benchmark interest rates related to forecasted issuances of debt. Future Debt Offering Tranche Two [Member] This tranche represents the group of forward starting interest rate swaps, which hedge the expected underlying benchmark interest rates related to forecasted issuances of debt. Future Debt Offering Tranche Three [Member] A forward-based contract hedges the expected underlying benchmark interest rates related to forecasted issuances of debt. Forward Starting Swaps [Member] The derivative instruments entered into in connection with the plant thermal reduction of natural gas processing plants. Natural gas processing: Forecasted natural gas purchases for plant thermal reduction (PTR) [Member] This represents the group of treasury rate lock interest rate swaps, which hedge the expected underlying benchmark interest rates related to forecasted issuances of debt. Treasury Rate Locks [Member] The derivative instruments entered into in connection with the forecasted NGL sales of natural gas processing plants. Natural gas processing: Forecasted sales of NGLs [Member] The derivative instruments entered into in connection with the forecasted purchases of NGLs in connection with octane enhancement production. Octane enhancement: Forecasted purchases of NGLs [Member] The derivative instruments entered into in connection with the forecasted octane enhancement product sales. Octane enhancement: Forecasted sales of octane enhancement products [Member] The derivative instruments entered into in connection with the forecasted sales of natural gas. Natural gas marketing: Forecasted sales of natural gas [Member] The derivative instruments entered into in connection with natural gas storage inventory management activities. Natural gas marketing: Natural gas storage inventory management activities [Member] The derivative instruments entered into in connection with the forecasted purchases of NGLs and related hydrocarbon purchases in connection with NGL marketing activities. NGL marketing Forecasted purchases of NGLs and related hydrocarbon products [Member] NGL marketing: Forecasted purchases of NGLs and related hydrocarbon products [Member] The derivative instruments entered into in connection with the forecasted sales of NGLs and related hydrocarbon purchases in connection with NGL marketing activities. NGL marketing Forecasted sales of NGLs and related hydrocarbon products [Member] NGL marketing: Forecasted sales of NGLs and related hydrocarbon products [Member] The derivative instruments entered into in connection with the forecasted purchases of refined products in connection with refined products marketing activities. Refined products marketing: Forecasted purchases of refined products [Member] The derivative instruments entered into in connection with the forecasted sales of refined products in connection with refined products marketing activities. Refined products marketing: Forecasted sales of refined products [Member] The derivative instruments entered into in connection with refined products inventory management activities with refined products marketing activities. Refined products marketing: Refined products inventory management activities [Member] The derivative instruments entered into in connection with the forecasted purchases of crude oil in connection with crude oil marketing activities. Crude oil marketing: Forecasted purchases of crude oil [Member] The derivative instruments entered into in connection with the forecasted sales of crude oil in connection with crude oil marketing activities. Crude oil marketing: Forecasted sales of crude oil [Member] The derivative instruments entered into in connection with natural gas risk management activities by the entity. Natural gas risk management activities [Member] The derivative instruments entered into in connection with refined products risk management activities by the entity. Refined products risk management activities [Member] The derivative instruments entered into in connection with crude oil risk management activities. Crude oil risk management activities [Member] The period of hedges of the derivative instruments employed related to the noted item. Derivative Instruments Period Of Hedges Period of Hedge The expected termination date of the derivative instruments employed related to the noted item. Derivative Instruments Expected Termination Date Expected Termination Date The average rate locked on the treasury lock instrument derivatives. Treasury locks hedge the underlying U.S. treasury rates related to forecasted issuances of debt. Derivative Instruments Average Rate Locked Average Rate Locked (in hundredths) The volumes expected to be settled within one year after the date indicated in accordance with derivative instruments. Current Volume The volumes expected to be settled at least one year after the date indicated in accordance with derivative instruments. Long Term Volume The number of derivative instruments settled. Number of derivative instruments settled Number of derivative instruments settled The notional value of derivative instruments terminated during the period. Notional Amount Of Terminated Derivative Instruments Notional amount of settled derivative instruments The amount of normal sales agreements related to forecasted NGL sales. NGL Inventory Management Executed As Normal Sales Agreements Forecasted NGL sales designated as normal sales agreements The derivative instruments entered into in connection with natural gas risk management activities by the entity. Represents the short term contracts that are priced as an index plus a premium or minus a discount. Entities Short Term Natural Gas Risk Management Derivatives Designated As Hedging Activities Priced Based On An Index Current natural gas hedging volumes designated as an index plus or minus a discount The derivative instruments entered into in connection with natural gas risk management activities by the entity. Represents the long term contracts that are priced as an index plus a premium or minus a discount. Entities Long Term Natural Gas Risk Management Derivatives Designated As Hedging Activities Priced Based On Index Long-term natural gas hedging volumes designated as an index plus or minus a discount Line item in the statement of financial position in which the fair value amounts of the derivative instruments are included. Other Current Liabilities [Member] Other current liabilities [Member] Long-lived assets held and used member. Long-lived assets held and used [Member] Long-lived Assets Held and Used [Member] This element represents impairments of assets that are scheduled for abandonment. Expected Loved-lived Asset Abandonment [Member] Long-lived assets disposed of by sale member. Long-lived Assets Disposed of by Sale [Member] Long-lived Assets Disposed of By Sale [Member] Long-lived assets disposed of other than by sale member. Long-lived Assets Disposed of Other Than By Sale [Member] Property, plant and equipment. Property Plant and Equipment [Member] Property, Plant and Equipment [Member] Carrying value prior to impairment charges. Carrying value prior to impairment A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] Reconciliation of changes in the fair value of Level 3 financial assets and liabilities [Roll Forward] This element represents net assets and liabilities measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Asset And Liability Balance Balance, beginning of period Balance, end of period Settlements that have taken place during the period in relation to net assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Net Assets And Liabilities Settlements Settlements This element represents [net] transfers in to and out of assets and liabilities measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Transfers Net Assets And Liabilities Transfers out of Level 3 Asset Commodity derivatives - Propane [Member] Asset commodity derivatives - Propane [Member] Asset commodity derivatives - Normal butane [Member] Asset Commodity derivatives Crude oil [Member] Asset commodity derivatives - Crude oil [Member] Assets Commodity derivatives - Natural gas [Member] Assets commodity derivatives - Natural gas [Member] This element represents an asset related to natural gasoline commodity derivatives Asset Commodity Derivatives Natural Gasoline [Member] Asset commodity derivatives - Natural gasoline [Member] Liability Commodity Derivatives - Crude Oil [Member] Liability commodity derivatives - Crude oil [Member] Liability commodity derivatives - Normal butane [Member] This element represents a liability related to natural gasoline commodity derivatives Liability Commodity Derivatives Natural Gasoline [Member] Liability commodity derivatives - Natural gasoline [Member] Liability Commodity Derivatives - Natural Gas [Member] Liability commodity derivatives - Natural gas [Member] Liability Commodity Derivatives - Propane [Member] Liability commodity derivatives - Propane [Member] The input used for the valuation of unobservable input. Input description The forward commodity price (in dollars per unit of measure), used as an input to measure fair value. Fair value inputs, forward commodity price Fair value inputs, forward commodity price (in dollars per unit) This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. This item represents the fair value of the principal balance of our fixed rate debt as of the balance sheet date. Fixed Rate Debt Principal Amount Fair Value Disclosure This element represents an investment in the stock of an investee (Venice Energy Service Company, L.L.C.). Venice Energy Service Company LLC [Member] This element represents an investment in the stock of an investee (K/D/S Promix, L.L.C.). K D S Promix, LLC [Member] K/D/S Promix, LLC [Member] This element represents an investment in the stock of an investee (Baton Rouge Fractionators LLC). Baton Rouge Fractionators LLC [Member] This element represents an investment in the stock of an investee (Skelly-Belvieu Pipeline Company, L.L.C.). Skelly Belvieu Pipeline Company, LLC [Member] Skelly-Belvieu Pipeline Company, LLC [Member] This element represents an investment in an investee (Texas Express Pipeline LLC). Texas Express Pipeline LLC [Member] This element represents an investment in an investee (Texas Express Gathering LLC). Texas Express Gathering LLC [Member] This element represents an investment in an investee (Front Range Pipeline LLC). Front Range Pipeline LLC [Member] This element represents an investment in the stock of an investee (Evangeline). Evangeline [Member] This element represents an investment in the stock of an investee (White River Hub, LLC). White River Hub, LLC [Member] This element represents an investment in the stock of an investee (Seaway Crude Pipeline Company). Seaway Crude Pipeline Company [Member] Eagle Ford Pipeline LLC [Member] This element represents an investment in the stock of an investee (Poseidon Oil Pipeline, L.L.C.). Poseidon Oil Pipeline Company, LLC [Member] This element represents an investment in the stock of an investee (Cameron Highway Oil Pipeline Company). Cameron Highway Oil Pipeline Company [Member] This element represents an investment in the stock of an investee (Deepwater Gateway, L.L.C.). Deepwater Gateway LLC [Member] This element represents an investment in the stock of an investee (Neptune Pipeline Company, L.L.C.). Neptune Pipeline Company, LLC [Member] Represents Southeast Keathley Canyon Pipeline Company LLC ("SEKCO"). Southeast Keathley Canyon Pipeline Company, LLC [Member] This element represents an investment in the stock of an investee (Baton Rouge Propylene Concentrator, L.L.C.). Baton Rouge Propylene Concentrator, LLC [Member] This element represents other investments in the stock of investees. Other Unconsolidated Affiliates [Member] Other unconsolidated affiliates [Member] This element represents an investment in the stock of an investee (Energy Transfer Equity). Energy Transfer Equity [Member] Percentage ownership of equity securities accounted for as available for sale securities. Ownership interest Ownership interest (in hundredths) If the price paid to acquire an ownership interest exceeded the underlying book value of the capital accounts acquired, such excess cost amounts are included within the carrying values of the investments. These costs were attributable to the underlying tangible and amortizable intangible assets of certain unconsolidated affiliates, and are amortized as a reduction in equity earnings in a manner similar to depreciation. This represents the amortization of such excess cost amounts for the period. Equity Method Investment Tangible And Intangible Asset Amortization Expense Equity method investment amortization of excess cost Forecasted amortization of excess cost amounts in year one following the date of the latest balance sheet presented in the financial statements. Forecasted Amortization Of Excess Cost Amounts Year One Forecasted amortization of excess cost amounts - 2013 Forecasted amortization of excess cost amounts in year two following the date of the latest balance sheet presented in the financial statements. Forecasted Amortization Of Excess Cost Amounts Year Two Forecasted amortization of excess cost amounts - 2014 Forecasted amortization of excess cost amounts in year three following the date of the latest balance sheet presented in the financial statements. Forecasted Amortization Of Excess Cost Amounts Year Three Forecasted amortization of excess cost amounts - 2015 Forecasted amortization of excess cost amounts in year four following the date of the latest balance sheet presented in the financial statements. Forecasted Amortization Of Excess Cost Amounts Year Four Forecasted amortization of excess cost amounts - 2016 Forecasted amortization of excess cost amounts in year five following the date of the latest balance sheet presented in the financial statements. Forecasted Amortization Of Excess Cost Amounts Year Five Forecasted amortization of excess cost amounts - 2017 This item represents the number of units sold related to an investment in available-for-sale securities. Available For Sale Securities Units Sold Number of Energy Transfer Equity common units sold (in units) This item represents the disclosure of summarized financial information for unconsolidated subsidiaries accounted for using the equity method of accounting. If investments accounted for under the equity method are, in the aggregate, material in relation to the financial position or results of operations of an investor, it may be necessary to present summarized information as to assets of the investee, or group of investments for which combined disclosure is appropriate. Equity Method Investment Summarized Financial Information Property Plant And Equipment Property, plant and equipment, net Tabular disclosure of the summary of costs related to goods produced and sold and services rendered during the period. Discloses any lower of cost or market adjustment recorded during the period. Cost Of Sales And Lower of Cost or Market Adjustment Summary [Table Text Block] Cost of Sales and Lower of Cost or Market Adjustments Carrying amount as of the balance sheet date of petrochemicals and refined products inventories. Energy Related Inventory Petrochemicals And Refined Products Petrochemicals and refined products Carrying amount as of the balance sheet date of crude oil inventories. Energy Related Inventory Crude Oil Crude oil Carrying amount as of the balance sheet date of natural gas inventories. Energy Related Inventory Natural Gas Natural gas Tabular disclosure of depreciation expense and capitalized interest. Depreciation Expense And Capitalized Interest [Table Text Block] Depreciation Expense and Capitalized Interest Tabular disclosure of forecasted accretion expense associated with asset retirement obligations. Forecasted accretion expense associated with asset retirement obligations [Table Text Block] Forecasted Accretion Expense Associated with AROs Long-lived depreciable assets used to transport and process product for the cunsumer. Plants, pipelines and facilities [Member] Long-lived depreciable assets used to store product for the consumer. Underground and other storage facilities [Member] Long-lived depreciable assets used for offshore infrastructure including pipeline connection and natural gas and crude oil processing Platforms and facilities [Member] Assets that are used for the delivery, receipt and storage of products for consumers. Terminal facilities [Member] Laboratory and shop equipment used for operations at facilities. Laboratory and shop equipment [Member] Underground wells used for the storage of inventories or customer's goods. Underground storage facilities [Member] Water wells drilled for access to groundwater. Water wells [Member] Long-lived, physical assets, by name, that are used in the normal conduct of business to produce goods and services and not intended for resale. Property, Plant and Equipment by Name [Axis] The name of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Property, Plant and Equipment, Name [Domain] Haynesville Extension of the Acadian Gas System Haynesville Extension [Member] Summary of depreciation expense and capitalized interest [Abstract] Forecasted Accretion Expense [Abstract] Forecasted accretion expense [Abstract] Estimate of accretion expense for remainder of current fiscal year. Accretion Expense Forecast Remainder Of Current Fiscal Year Forecast accretion expense - Remainder of 2012 Estimate of accretion expense for first full fiscal year after the end of the current fiscal year. Accretion Expense Forecast First Full Fiscal Year After End Of Current Fiscal Year Forecast accretion expense - 2013 Estimate of accretion expense for second full fiscal year after end of current fiscal year. Accretion Expense Forecast Second Full Fiscal Year After End Of Current Fiscal Year Forecast accretion expense - 2014 Estimate of accretion expense for third full fiscal year after end of current fiscal year. Accretion Expense Forecast Third Full Fiscal Year After End Of Current Fiscal Year Forecast accretion expense - 2015 Estimate of accretion expense for fourth full fiscal year after end of current fiscal year. Accretion Expense Forecast Fourth Full Fiscal Year After End Of Current Fiscal Year Forecast accretion expense - 2016 Estimate of accretion expense for fifth full fiscal year after end of current fiscal year. Accretion Expense Forecast Fifth Full Fiscal Year After End Of Current FiscalYear Forecast accretion expense - 2017 Tabular disclosure of cash used for business combinations by segment. Schedule Of Business Acquisitions By Segment [Table Text Block] Cash for Business Combinations By Segment The aggregation and reporting of combined amounts of business combinations that were completed during the period. Bigler [Member] The aggregation and reporting of combined amounts of business combinations that were completed during the period. Martin Midstream Partners [Member] The aggregation and reporting of combined amounts of business combinations that were completed during the period. TransMontaigne Product Services [Member] The aggregation and reporting of combined amounts of business combinations that were completed during the period. Rio Grande Pipeline Company [Member] Transactions [Abstract] Represents the revenues contribution from assets acquired in a business combination for the period presented. Revenues From Acquired Assets Revenues from acquired assets Represents the net income contribution from assets acquired in a business combination for the period presented. Net income from acquired assets The pro forma costs and expenses for a period as if the business combination or combinations had been completed at the beginning of the period. Business Acquisition, Costs And Expenses Costs and expenses The pro forma operating income for a period as if the business combination or combinations had been completed at the beginning of the period Business Acquisition, Operating Income Operating income The pro forma net income attributable to the entity for the period as if the business combination or combinations had been completed at the beginning of a period Business Acquisition, Pro Forma Net Income Attributable To Entity Net income attributable to limited partners Business Acquisition, Pro Forma Basic Common Units Outstanding. Business Acquisition, Pro Forma Basic Common Units Outstanding Pro forma basic units outstanding (in units) Business Acquisition, Pro Forma Diluted Common Units Outstanding. Business Acquisition, Pro Forma Diluted Common Units Outstanding Pro forma diluted units outstanding (in units) Tabular disclosure of interest rates and weighted-average interest rates paid on consolidated variable-rate debt obligations. Variable Interest Rate Information [Table Text Block] Interest Rates and Weighted-Average Interest Rates Paid on Consolidated Variable-Rate Debt Obligations Senior debt obligation: Senior Notes S EPO Senior Notes S [Member] Senior debt obligation: Senior Notes P EPO Senior Notes P [Member] Senior debt obligation: Senior Notes C EPO Senior Notes C [Member] Senior debt obligation: Senior Notes T EPO Senior Notes T [Member] Senior debt obligation: Senior Notes M EPO Senior Notes M [Member] Senior debt obligation: Senior Notes U EPO Senior Notes U [Member] Senior debt obligation: Senior Notes O EPO Senior Notes O [Member] Senior debt obligation: Senior Notes G EPO Senior Notes G [Member] Senior debt obligation: Senior Notes I EPO Senior Notes I [Member] Senior debt obligation: Senior Notes X EPO Senior Notes X [Member] Represents EPO's Senior Notes FF. EPO Senior Notes FF [Member] Senior debt obligation: Senior Notes AA EPO Senior Notes AA [Member] Represents EPO's $3.5 Billion Multi-Year Revolving Credit Facility Epo Multi Year Revolving Credit Facility Ii [Member] EPO $3.5 Billion Multi-Year Revolving Credit Facility [Member] Senior debt obligation: Senior Notes L EPO Senior Notes L [Member] Senior debt obligation: Senior Notes V EPO Senior Notes V [Member] Senior debt obligation: Senior Notes N EPO Senior Notes N [Member] Senior debt obligation: Senior Notes Q EPO Senior Notes Q [Member] Senior debt obligation: Senior Notes Y EPO Senior Notes Y [Member] Represents EPO's Senior Notes CC EPO Senior Notes CC [Member] Senior debt obligation: Senior Notes D EPO Senior Notes D [Member] Senior debt obligation: Senior Notes H EPO Senior Notes H [Member] Senior debt obligation: Senior Notes J EPO Senior Notes J [Member] Senior debt obligation: Senior Notes W EPO Senior Notes W [Member] Senior debt obligation: Senior Notes R EPO Senior Notes R [Member] Senior debt obligation: Senior Notes Z EPO Senior Notes Z [Member] Senior debt obligation: Senior Notes BB EPO Senior Notes BB [Member] Represents EPO's Senior Notes DD EPO Senior Notes DD [Member] Senior debt obligation: Senior Notes EE EPO Senior Notes EE [Member] Represents EPO's Senior Notes GG. EPO Senior Notes GG [Member] TEPPCO Senior Notes due February 2012. TEPPCO Senior Notes 1 [Member] TEPPCO Senior Notes due February 2013. TEPPCO Senior Notes 2 [Member] TEPPCO Senior Notes due April 2013. TEPPCO Senior Notes 3 [Member] TEPPCO Senior Notes due April 2018. TEPPCO Senior Notes 4 [Member] TEPPCO Senior Notes due April 2038. TEPPCO Senior Notes 5 [Member] The cash outflow associated with the acquisition of railcars associated with retained leases. Cash paid for railcars associated with retained leases Represents BP and affiliates BP [Member] Tabular disclosure of noncash impairment charges by segment. Noncash Impairment Charges [Table Text Block] EPO Junior Subordinated Notes A EPO Junior Subordinated Notes A [Member] EPO Junior Subordinated Notes C EPO Junior Subordinated Notes C [Member] EPO Junior Subordinated Notes B EPO Junior Subordinated Notes B [Member] TEPPCO Senior Notes TEPPCO Senior Notes [Member] TEPPCO Junior Subordinated Notes TEPPCO Junior Subordinated Notes [Member] Represents spare parts inventory. Spare Parts Inventory [Member] The entities' unconsolidated affiliates scheduled maturities of debt. Unconsolidated Affiliates Debt [Member] Subordinated note payable Subordinated Note Payable [Member] Increase (decrease) in fair value of debt-related derivative instruments, as of the balance sheet date. Debt related derivative instruments Change in fair value of debt hedged in fair value hedging relationship Total of other, non-principal amounts of long term debt as of the balance sheet date. Long Term Debt Total Other Non Principal Amounts Total other, non-principal amounts The number of extensions to the maturity date of the Multi-Year Revolving Credit Facility which may be requested subject to lender approval. Number of extensions to maturity date which may be requested The length of each extension, in years, to the maturity date which may be requested subject to lender approval. Length of extension to maturity date Length of extensions to maturity date (in years) The maximum amount by which the total commitments may be increased by the borrower by adding one or more lenders to the facility and/or requesting that the commitments of the existing lenders be increased. Maximum Bank Commitments Increase Maximum bank commitments increase Date through which interest rate is fixed. Fixed Interest Rate Term For Junior Notes Date through which interest rate is fixed The minimum interest rate; if the variable annual interest rate is greater, the variable annual interest rate prevails. If the variable annual interest rate is less, the minimum interest rate prevails. Debt Instrument Minimum Variable Annual Interest Rate Minimum variable annual interest rate (in hundredths) Total principal amount of Senior Notes Exchanged. Debt Instrument Principal Amount Exchanged Debt instrument principal amount exchanged The amount outstanding on a letter of credit related to commodity derivative instruments. This letter of credit facility does not reduce the amount available for borrowing under EPO's Multi-Year Revolving Credit Facility. Letter Of Credit Outstanding For Derivative Instruments EPO Letter of credit related to commodity derivative instruments This element represents other investments in the stock of investees. Other Investments in Unconsolidated Subsidiaries [Member] Other investments in unconsolidated subsidiaries [Member] Related Party Revenues [Abstract] Revenues - related parties: Related Party Costs And Expenses [Abstract] Costs and expenses - related parties: Relationship with Affiliates [Abstract] Represents the number of units held by related party affiliates. Outstanding Units Owned By Affiliates Under Common Control Number of Units (in units) The number of common units owned (as a percentage) by an affiliate under common control. Outstanding Units Percentage Owned By Affiliates Under Common Control Percentage of Total Units Outstanding (in hundredths) This element discloses the ownership percentage in an affiliate of the registrant held by another affiliate of the registrant. Affiliate Ownership Of Other Affiliate Dan Duncan LLC's ownership interest of general partner of Enterprise (in hundredths) Represents the distributions received by related party affiliates from the entity. Distributions Received By Affiliates Total distributions Administrative Services Agreement [Abstract] Related Party Transactions [Abstract] The number of Enterprise common units pledged as security under a credit facility as of the balance sheet date. Common Units Pledged As Security Enterprise common units pledged as security (in units) The historical basis of EPCO's equity interests in Enterprise Transportation Company (ETC), which was exchanged for common units to EPCO. Since this was a transaction between entities under common control, the net assets of ETC were recorded using their historical basis. Historical Basis Of Net Assets Exchanged Historical basis of net assets exchanged The amount of income tax expense (benefit) for the period computed by applying the Texas margin tax. The tax is assessed on Texas sourced taxable margin which is defined as the lesser of (i) 70% of total revenue or (ii) total revenue less (a) cost of goods sold or (b) compensation and benefits. Income Tax Reconciliation State Margin Tax Texas Margin Tax The expiration of tax credit carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Income Tax Reconciliation Expiration Of Tax Net Operating Loss Expiration of tax net operating loss The net change during the reporting period in product expenses incurred but not yet paid. This element should be used when there is no other more specific or appropriate element. Increase (Decrease) In Accrued Product Payable Accrued product payables Quarter-to-quarter increase in proceeds from asset sales and related transactions, primarily from the sales of certain marine assets and a fractionation facility. Increase in proceeds from asset sales and related transactions Represents Crystal Holding L.L.C. ("Crystal"), which owns Petal Gas Storage, L.L.C. ("Petal") and Hattiesburg Gas Storage Company ("Hattiesburg"). Crystal Holding L.L.C. [Member] Other asset sales during the period. Other Asset Sales [Member] Other Disposal of Assets [Member] Represents marine transportation assets. Marine transportation assets [Member] Represents offshore assets. Offshore assets [Member] Represents the West Storage location of our Mont Belvieu, Texas underground storage facility. West Storage Facilities [Member] Insurance matters [Abstract] Insurance Matters [Abstract] Represents Shell Oil Company and affiliates. Shell Oil Company [Member] Represents certain pipelines part of the Texas Intrastate System. Texas Intrastate System [Member] Represents certain storage caverns at the Hobbs Facility. Hobbs Facility [Member] Represents the Yscloskey Natural Gas Processing Plant. Yscloskey Natural Gas Processing Plant [Member] Represents certain crude oil pipelines in Texas. Texas Crude Oil Pipelines [Member] For Table 3 in role 90606 Fair Value, Hierarchy 3 [Axis] Fair Value, Hierarchy [Axis]