Business Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015 Segment	Mar. 31, 2014
Business Segments [Abstract]
Number of reportable segments	5us-gaap_NumberOfReportableSegments
Segment Gross Operating Margin [Abstract]
Revenues	$ 7,472.5us-gaap_SalesRevenueNet	$ 12,909.9us-gaap_SalesRevenueNet
Subtract operating costs and expenses	(6,616.4)us-gaap_OperatingExpenses	(11,880.5)us-gaap_OperatingExpenses
Add equity in income of unconsolidated affiliates	89.2	56.5
Add depreciation, amortization and accretion expense amounts not reflected in gross operating margin	345.3	301.4
Add impairment charges not reflected in gross operating margin	33.3	8.8
Subtract net gains attributable to asset sales and insurance recoveries not reflected in gross operating margin (see Note 15)	(0.1)	(89.6)
Add non-refundable deferred revenues attributable to shipper make-up rights on new pipeline projects reflected in gross operating margin	30.7	23.3
Subtract subsequent recognition of deferred revenues attributable to make-up rights not reflected in gross operating margin	(20.1)epd_MakeUpRightsRevenue	0epd_MakeUpRightsRevenue
Total segment gross operating margin	1,334.4epd_TotalSegmentGrossOperatingMargin	1,329.8epd_TotalSegmentGrossOperatingMargin
Reconciliation of total Segment Gross Operating Margin [Abstract]
Total segment gross operating margin	1,334.4epd_TotalSegmentGrossOperatingMargin	1,329.8epd_TotalSegmentGrossOperatingMargin
Adjustments to reconcile total segment gross operating margin to operating income:
Subtract depreciation, amortization and accretion expense amounts not reflected in gross operating margin	(345.3)	(301.4)
Subtract impairment charges not reflected in gross operating margin	(33.3)	(8.8)
Add net gains attributable to asset sales and insurance recoveries not reflected in gross operating margin	0.1	89.6
Subtract non-refundable deferred revenues attributable to shipper make-up rights on new pipeline projects reflected in gross operating margin	(30.7)	(23.3)
Add subsequent recognition of deferred revenues attributable to make-up rights not reflected in gross operating margin	20.1epd_MakeUpRightsRevenue	0epd_MakeUpRightsRevenue
Subtract general and administrative costs not reflected in gross operating margin	(49.3)us-gaap_GeneralAndAdministrativeExpense	(53.2)us-gaap_GeneralAndAdministrativeExpense
Operating income	896.0us-gaap_OperatingIncomeLoss	1,032.7us-gaap_OperatingIncomeLoss
Other expense, net	(238.6)us-gaap_NonoperatingIncomeExpense	(221.2)us-gaap_NonoperatingIncomeExpense
Income before income taxes	$ 657.4	$ 811.5

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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 excluded from gross operating margin.

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- Definition

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 excluded from gross operating margin.

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No definition available.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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No definition available.

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- Definition

Revenue related to make-up rights recognized during period. Amounts were previously deferred and included in gross operating margin.

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No definition available.

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Non-refundable deferred revenues attributable to shipper make-up rights on new pipeline projects included in gross operating margin.

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No definition available.

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- Definition

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.

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No definition available.

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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No definition available.

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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