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Equity (Change In ETE Common Units) (Details) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Preferred Units, Outstanding         329,299,267 0    
Stock Issued During Period, Shares, New Issues   2,100,000 0 0        
Unamortized financing costs(1) [1]         $ 13 $ 29    
Outstanding   1,046,947,157 1,044,767,336 1,077,500,000 1,046,947,157 1,044,767,336 1,077,500,000 1,119,800,000
Issuance of restricted Common Units under long-term incentive plans   0 (33,600,000) (42,300,000)        
Number of Common Units, end of period   1,046,947,157 1,044,767,336 1,077,500,000        
Series A Convertible Preferred Units [Member]                
Preferred Units, Outstanding         329,300,000 0 0 0
Stock Issued During Period, Shares, New Issues 329,300,000 329,295,770 0 0        
Class D Units [Member]                
Stock Issued During Period, Shares, New Issues   0 924,000 0        
[1] (1)Includes unamortized financing costs related to the Partnership’s revolving credit facilities.