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Redeemable Preferred Units (Details)
 1 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2017
USD ($)
shares
Sep. 30, 2015
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
shares
Apr. 30, 2015
USD ($)
$ / commonunit
Preferred Units, Issued | shares     329,299,267 0  
Mandatory redeemable price of units outstanding         $ 35,000,000
Issuance of common units     $ 37,000,000 $ 0  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares   1,300,000      
Preferred Units Quarterly Cash Distribution Per Unit | $ / commonunit         0.445
Preferrred Units Issued Stated Price         $ 18.30
Conversion Price of Preferred Units         $ 44.37
Subsequent Event [Member]          
Payments for Repurchase of Preferred Stock and Preference Stock $ 53,000,000        
Subsequent Event [Member] | ETP Series A Preferred Units [Member]          
Partners' Capital Account, Units, Redeemed | shares 1,900,000