Equity Equity, Earnings Per Unit (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
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| General partner distribution amount forfeited | $ 2 | $ 5 | |||||||
| Net earnings | 81 | $ 66 | 172 | $ 135 | |||||
| Net Earnings Attributable to Noncontrolling Interest | 0 | 6 | 0 | 16 | |||||
| Net Earnings, excluding noncontrolling interest | 81 | 60 | 172 | 119 | |||||
| Limited partners' distributions on common units | (109) | ||||||||
| Undistributed Earnings (Loss) Allocated to Participating Securities, Basic | $ (42) | $ (21) | $ (59) | $ (32) | |||||
| Common units - basic | 95.2 | 80.7 | 94.4 | 80.5 | |||||
| Common units - diluted | 95.2 | 80.8 | 94.4 | 80.6 | |||||
| Common - basic | $ 0.48 | $ 0.60 | $ 1.12 | $ 1.23 | |||||
| Common - diluted | $ 0.48 | $ 0.60 | $ 1.12 | $ 1.23 | |||||
| General Partner | |||||||||
| General Partner Distributions | $ 2 | $ 2 | $ 4 | $ 3 | |||||
| Incentive Distribution, Subsequent Distribution Amount | [1] | 36 | 15 | 66 | 28 | ||||
| Undistributed Earnings (Loss) Allocated to Participating Securities, Basic | [2] | 3 | 6 | 4 | 11 | ||||
| Participating Securities, Distributed and Undistributed Earnings (Loss), Basic | 35 | 11 | 66 | 20 | |||||
| Common | |||||||||
| Limited partners' distributions on common units | (85) | (64) | (161) | (120) | |||||
| Undistributed Earnings (Loss) Allocated to Participating Securities, Basic | (39) | (15) | (55) | (21) | |||||
| Participating Securities, Distributed and Undistributed Earnings (Loss), Basic | $ 46 | $ 49 | $ 106 | $ 99 | |||||
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