v3.5.0.2
Equity, Cash Distributions (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jul. 20, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2016
Distribution Made to Member or Limited Partner            
General partner distribution amount forfeited     $ 2     $ 5
Quarterly Distribution Per Unit       $ 0.810 $ 0.780  
Total Cash Distribution including general partner IDRs     $ 123 $ 108 $ 98  
Date of Distribution     Aug. 12, 2016 May 13, 2016 Feb. 12, 2016  
Unitholders Record Date     Aug. 02, 2016 May 02, 2016 Feb. 02, 2016  
Distribution Made to Limited Partner, Declaration Date           Oct. 18, 2016
Subsequent Event            
Distribution Made to Member or Limited Partner            
Quarterly Distribution Per Unit $ 0.842 $ 0.8750 [1]        
Total Cash Distribution including general partner IDRs [1]   $ 131        
Date of Distribution [1]   Nov. 14, 2016        
Unitholders Record Date [1]   Nov. 04, 2016        
Distribution Made to Limited Partner, Declaration Date Jul. 20, 2016          
[1] This distribution was declared on October 18, 2016 and will be paid on the date of distribution.