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Intangible Assets and Goodwill, Goodwill (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Changes in carrying amount of goodwill [Roll Forward] |
Balance at beginning of period | $ 4,199.9 us-gaap_Goodwill
Reclassification of Oiltanking IDR balances to goodwill in connection with the cancellation of such rights in February 2015 | 1,454.1 us-gaap_GoodwillPurchaseAccountingAdjustments
Balance at end of period | 5,654.0 us-gaap_Goodwill
NGL Pipelines & Services [Member] |
Changes in carrying amount of goodwill [Roll Forward] |
Balance at beginning of period | 2,180.4 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Reclassification of Oiltanking IDR balances to goodwill in connection with the cancellation of such rights in February 2015 | 432.6 us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Balance at end of period | 2,613.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_NglPipelinesAndServicesMember
Onshore Natural Gas Pipelines & Services [Member] |
Changes in carrying amount of goodwill [Roll Forward] |
Balance at beginning of period | 296.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Reclassification of Oiltanking IDR balances to goodwill in connection with the cancellation of such rights in February 2015 | 0 us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Balance at end of period | 296.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreNaturalGasPipelinesAndServicesMember
Onshore Crude Oil Pipelines & Services [Member] |
Changes in carrying amount of goodwill [Roll Forward] |
Balance at beginning of period | 859.9 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Reclassification of Oiltanking IDR balances to goodwill in connection with the cancellation of such rights in February 2015 | 850.7 us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Balance at end of period | 1,710.6 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OnshoreCrudeOilPipelinesAndServicesMember
Offshore Pipelines & Services [Member] |
Changes in carrying amount of goodwill [Roll Forward] |
Balance at beginning of period | 82.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Reclassification of Oiltanking IDR balances to goodwill in connection with the cancellation of such rights in February 2015 | 0 us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Balance at end of period | 82.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_OffshorePipelinesAndServicesMember
Petrochemical & Refined Products Services [Member] |
Changes in carrying amount of goodwill [Roll Forward] |
Balance at beginning of period | 781.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Reclassification of Oiltanking IDR balances to goodwill in connection with the cancellation of such rights in February 2015 | 170.8 us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember
Balance at end of period | $ 952.1 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = epd_PetrochemicalAndRefinedProductsServicesMember

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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