Equity, Cash Distributions (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jul. 20, 2016 |
May 13, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Jun. 30, 2016 |
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| 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 | [1] | $ 108 | $ 98 | |||||
| Date of Distribution | May 13, 2016 | Aug. 12, 2016 | [1] | Feb. 12, 2016 | |||||
| Unitholders Record Date | Aug. 02, 2016 | [1] | May 02, 2016 | Feb. 02, 2016 | |||||
| Subsequent Event | |||||||||
| Distribution Made to Member or Limited Partner | |||||||||
| Quarterly Distribution Per Unit | [1] | $ 0.842 | |||||||
| Distribution Made to Limited Partner, Declaration Date | Jul. 20, 2016 | ||||||||
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