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Business Segments, Segment Reporting Information (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Information by business segment [Abstract] |  |  |
Revenues from third parties | $ 7,466.4 epd_ThirdPartyRevenue | $ 12,874.4 epd_ThirdPartyRevenue |
Revenues from related parties | 6.1 us-gaap_RevenueFromRelatedParties | 35.5 us-gaap_RevenueFromRelatedParties |
Intersegment and intrasegment revenues | 0 epd_IntersegmentAndIntrasegmentRevenues | 0 epd_IntersegmentAndIntrasegmentRevenues |
Total revenues | 7,472.5 us-gaap_SalesRevenueNet | 12,909.9 us-gaap_SalesRevenueNet |
Equity in income (loss) of unconsolidated affiliates | 89.2 us-gaap_IncomeLossFromEquityMethodInvestments | 56.5 us-gaap_IncomeLossFromEquityMethodInvestments |
Gross operating margin | 1,334.4 epd_TotalSegmentGrossOperatingMargin | 1,329.8 epd_TotalSegmentGrossOperatingMargin |
Property, plant and equipment, net (see Note 6) | 30,367.6 us-gaap_PropertyPlantAndEquipmentNet |  | 29,881.6 us-gaap_PropertyPlantAndEquipmentNet
Investments in unconsolidated affiliates (see Note 7) | 3,064.9 us-gaap_EquityMethodInvestments |  | 3,042.0 us-gaap_EquityMethodInvestments
Intangible assets, net (see Note 8) | 2,804.1 us-gaap_IntangibleAssetsNetExcludingGoodwill |  | 4,302.1 us-gaap_IntangibleAssetsNetExcludingGoodwill
Goodwill (see Note 8) | 5,654.0 us-gaap_Goodwill |  | 4,199.9 us-gaap_Goodwill
Segment assets | 41,890.6 epd_SegmentAssets |  | 41,425.6 epd_SegmentAssets
NGL Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Equity in income (loss) of unconsolidated affiliates | 11.6 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 1.4 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Intangible assets, net (see Note 8) | 249.1 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 689.2 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Goodwill (see Note 8) | 2,613.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 2,180.4 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Onshore Natural Gas Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Equity in income (loss) of unconsolidated affiliates | 0.9 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 0.9 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Intangible assets, net (see Note 8) | 963.0 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 972.9 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Goodwill (see Note 8) | 296.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 296.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Onshore Crude Oil Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Equity in income (loss) of unconsolidated affiliates | 59.9 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 42.7 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Intangible assets, net (see Note 8) | 1,351.5 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 2,223.6 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Goodwill (see Note 8) | 1,710.6 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 859.9 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Offshore Pipelines And Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Equity in income (loss) of unconsolidated affiliates | 20.2 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 11.1 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Intangible assets, net (see Note 8) | 39.3 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 41.6 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Goodwill (see Note 8) | 82.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 82.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Petrochemical and Refined Products Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Equity in income (loss) of unconsolidated affiliates | (3.4)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 0.4 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Intangible assets, net (see Note 8) | 201.2 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 374.8 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Goodwill (see Note 8) | 952.1 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 781.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Reportable Business Segments [Member] | NGL Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 2,674.8 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 5,173.7 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Revenues from related parties | 1.5 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 5.8 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Intersegment and intrasegment revenues | 2,443.1 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 3,861.0 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Total revenues | 5,119.4 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 9,040.5 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Equity in income (loss) of unconsolidated affiliates | 11.6 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 1.4 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Gross operating margin | 695.2 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember | 780.0 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |
Property, plant and equipment, net (see Note 6) | 11,775.8 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 11,766.9 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Investments in unconsolidated affiliates (see Note 7) | 681.6 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 682.3 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Intangible assets, net (see Note 8) | 249.1 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 689.2 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Goodwill (see Note 8) | 2,613.0 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 2,180.4 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Segment assets | 15,319.5 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember |  | 15,318.8 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Reportable Business Segments [Member] | Onshore Natural Gas Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 730.9 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 1,200.0 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Revenues from related parties | 3.0 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 4.6 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Intersegment and intrasegment revenues | 170.0 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 309.4 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Total revenues | 903.9 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 1,514.0 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Equity in income (loss) of unconsolidated affiliates | 0.9 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 0.9 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Gross operating margin | 204.5 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember | 220.4 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |
Property, plant and equipment, net (see Note 6) | 8,839.5 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 8,835.5 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Investments in unconsolidated affiliates (see Note 7) | 23.1 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 23.2 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Intangible assets, net (see Note 8) | 963.0 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 972.9 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Goodwill (see Note 8) | 296.3 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 296.3 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Segment assets | 10,121.9 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember |  | 10,127.9 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Reportable Business Segments [Member] | Onshore Crude Oil Pipelines and Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 2,677.0 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 4,935.4 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Revenues from related parties | 1.0 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 22.9 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Intersegment and intrasegment revenues | 1,277.1 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 2,550.7 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Total revenues | 3,955.1 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 7,509.0 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Equity in income (loss) of unconsolidated affiliates | 59.9 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 42.7 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Gross operating margin | 214.0 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember | 159.7 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |
Property, plant and equipment, net (see Note 6) | 2,382.8 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 2,332.2 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Investments in unconsolidated affiliates (see Note 7) | 1,797.9 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 1,767.7 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Intangible assets, net (see Note 8) | 1,351.5 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 2,223.6 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Goodwill (see Note 8) | 1,710.6 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 859.9 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Segment assets | 7,242.8 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember |  | 7,183.4 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Reportable Business Segments [Member] | Offshore Pipelines And Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 34.6 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 34.7 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Revenues from related parties | 0.6 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 2.2 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Intersegment and intrasegment revenues | 0.4 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 2.3 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Total revenues | 35.6 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 39.2 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Equity in income (loss) of unconsolidated affiliates | 20.2 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 11.1 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Gross operating margin | 46.1 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember | 39.3 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |
Property, plant and equipment, net (see Note 6) | 1,130.1 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 1,145.1 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Investments in unconsolidated affiliates (see Note 7) | 487.5 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 493.7 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Intangible assets, net (see Note 8) | 39.3 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 41.6 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Goodwill (see Note 8) | 82.0 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 82.0 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Segment assets | 1,738.9 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember |  | 1,762.4 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Reportable Business Segments [Member] | Petrochemical and Refined Products Services [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 1,349.1 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 1,530.6 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Revenues from related parties | 0 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 0 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Intersegment and intrasegment revenues | 285.6 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 437.0 epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Total revenues | 1,634.7 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 1,967.6 us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Equity in income (loss) of unconsolidated affiliates | (3.4)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 0.4 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Gross operating margin | 174.6 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember | 130.4 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |
Property, plant and equipment, net (see Note 6) | 3,042.8 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 3,047.2 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Investments in unconsolidated affiliates (see Note 7) | 74.8 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 75.1 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Intangible assets, net (see Note 8) | 201.2 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 374.8 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Goodwill (see Note 8) | 952.1 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 781.3 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Segment assets | 4,270.9 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember |  | 4,278.4 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Eliminations [Member] |  |  |
Information by business segment [Abstract] |  |  |
Revenues from third parties | 0 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 0 epd_ThirdPartyRevenue / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Revenues from related parties | 0 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 0 us-gaap_RevenueFromRelatedParties / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Intersegment and intrasegment revenues | (4,176.2)epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (7,160.4)epd_IntersegmentAndIntrasegmentRevenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Total revenues | (4,176.2)us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (7,160.4)us-gaap_SalesRevenueNet / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Equity in income (loss) of unconsolidated affiliates | 0 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 0 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Gross operating margin | 0 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 0 epd_TotalSegmentGrossOperatingMargin / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Adjustments [Member] |  |  |
Information by business segment [Abstract] |  |  |
Property, plant and equipment, net (see Note 6) | 3,196.6 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember |  | 2,754.7 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember
Investments in unconsolidated affiliates (see Note 7) | 0 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember |  | 0 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember
Intangible assets, net (see Note 8) | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember |  | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember
Goodwill (see Note 8) | 0 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember |  | 0 us-gaap_Goodwill / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember
Segment assets | $ 3,196.6 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember |  | $ 2,754.7 epd_SegmentAssets / us-gaap_ConsolidationItemsAxis = us-gaap_MaterialReconcilingItemsMember

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