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Reportable Segments Narrative (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Segment Reporting Information [Line Items]    
Revenues $ 10,380us-gaap_Revenues $ 13,080us-gaap_Revenues
Regency [Member] | Lone Star L.L.C. [Member]    
Segment Reporting Information [Line Items]    
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest 30.00%us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest
/ ete_AdditionalLegalEntitiesAxis
= ete_RegencyMember
/ dei_LegalEntityAxis
= ete_LoneStarLLCMember
 
External Customers [Member] | Investment in Lake Charles LNG [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 54us-gaap_Revenues
/ us-gaap_MajorCustomersAxis
= ete_ExternalCustomersMember
/ us-gaap_StatementBusinessSegmentsAxis
= ete_InvestmentinLakeCharlesLNGMember
$ 54us-gaap_Revenues
/ us-gaap_MajorCustomersAxis
= ete_ExternalCustomersMember
/ us-gaap_StatementBusinessSegmentsAxis
= ete_InvestmentinLakeCharlesLNGMember