Number of tank barges.

No definition available.

Name:	epd_NumberOfTankBarges
Namespace Prefix:	epd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of tow boats.

+ References

No definition available.

+ Details

Name:	epd_NumberOfTowBoats
Namespace Prefix:	epd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

+ Details

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_AssetImpairmentChargesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

+ Details

Name:	us-gaap_ImpairmentOfIntangibleAssetsFinitelived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentTransfersAndChanges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760

+ Details

Name:	us-gaap_TangibleAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis=epd_MidlandToEcho4PipelineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=epd_OnshoreCrudeOilPipelinesAndServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=epd_SouthTexasNaturalGasGatheringAndProcessingAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=epd_NglPipelinesAndServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=epd_OnshoreNaturalGasPipelinesAndServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=epd_MarineTransportationBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=epd_PetrochemicalAndRefinedProductsServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=epd_OtherAssetsOrBusinessesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Property, Plant and Equipment, Impairments (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) Towboat Tankbarges	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	$ 589.8	$ 51.1	$ 46.8
Total asset impairment charges	890.6	132.8	50.5
Reclassification of construction in progress to other assets	311.7
Midland-to-Echo 4 Pipeline [Member] \| Crude Oil Pipelines & Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	42.2
South Texas natural gas gathering and processing assets [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	124.7
Impairment of intangible assets	1.0
Total asset impairment charges	125.7
Assets, fair value	21.3
South Texas natural gas gathering and processing assets [Member] \| NGL Pipelines & Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	86.9	15.6
South Texas natural gas gathering and processing assets [Member] \| Natural Gas Pipelines & Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	37.8
Marine transportation business [Member] \| Petrochemical & Refined Products Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	252.1
Impairment of intangible assets	4.6
Total asset impairment charges	256.7
Assets, fair value	$ 410.0
Number of tow boats \| Towboat	65
Number of tank barges \| Tankbarges	160
Other [Member] \| NGL Pipelines & Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	$ 121.2	23.5	18.6
Other [Member] \| Crude Oil Pipelines & Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	3.3	2.6	11.2
Other [Member] \| Natural Gas Pipelines & Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	5.5	4.8	13.9
Other [Member] \| Petrochemical & Refined Products Services [Member]
Asset Impairment Charges [Abstract]
Impairment of property, plant and equipment	$ 40.8	$ 4.6	$ 3.1