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Redeemable Preferred Units (Details)
$ in Millions
 1 Months Ended 12 Months Ended
Jan. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
Dec. 31, 2017
shares
Apr. 30, 2015
USD ($)
$ / commonunit
Preferred Units, Issued | shares   329,299,267   329,299,267  
Mandatory redeemable price of units outstanding         $ 35
Issuance of common units   $ 37 $ 0    
Preferred Units Quarterly Cash Distribution Per Unit | $ / commonunit         0.445
Payments for Repurchase of Preferred Stock and Preference Stock $ 53        
ETP Series A Preferred Units [Member]          
Partners' Capital Account, Units, Redeemed | shares 1,900,000