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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Operating lease obligations [Abstract] |  |  |
Lease and rental expense included in costs and expenses | $ 22.4 us-gaap_LeaseAndRentalExpense | $ 23.2 us-gaap_LeaseAndRentalExpense |
Litigation matters [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation accruals on an undiscounted basis | 2.4 us-gaap_LossContingencyAccrualAtCarryingValue / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember |  | 2.4 us-gaap_LossContingencyAccrualAtCarryingValue / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember
Litigation matters [Member] | ETP Lawsuit [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, damages awarded | 319.4 us-gaap_LossContingencyDamagesAwardedValue / us-gaap_LitigationCaseAxis = epd_EtpLawsuitMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember |  |
Loss contingency, total damages sought | 535.8 us-gaap_LossContingencyDamagesSoughtValue / us-gaap_LitigationCaseAxis = epd_EtpLawsuitMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember |  |
Loss contingency, disgorgement damages sought | 150.0 epd_LossContingencyDisgorgementDamagesSoughtValue / us-gaap_LitigationCaseAxis = epd_EtpLawsuitMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember |  |
Prejudgment interest | $ 66.4 epd_PrejudgmentInterest / us-gaap_LitigationCaseAxis = epd_EtpLawsuitMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember |  |
Post-judgment interest rate (in hundredths) | 5.00%epd_PostJudgmentInterestRate / us-gaap_LitigationCaseAxis = epd_EtpLawsuitMember / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_PendingLitigationMember |  |

X
- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter related to disgorgement. + References No definition available. + Details
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Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The rate at which interest will accrue on legal award after the judgment has been entered by the court. + References No definition available. + Details
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Namespace Prefix: | epd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest accruing on the amount of a legal award from the time of the injury or damage to the time the judgment is entered by the court. + References No definition available. + Details
Name: | epd_PrejudgmentInterest
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
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- Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
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X
- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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