|
Long-Term Incentive Compensation (Details) (USD $)
In Millions, except Share data, unless otherwise specified
|
3 Months Ended |
|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
| Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] |
|
|
|
| Compensation expense |
$ 5 |
$ 9 |
|
| Unrecognized compensation expense |
69 |
|
|
| Additional unrecognized compensation cost to be recognized in rest of 2015 |
17 |
|
|
| Unrecognized compensation cost to be recognized over the remaining requisite service periods subsequent to 2015 |
36 |
|
|
| Unrecognized compensation cost to be recognized upon a specified capital transaction |
$ 16 |
|
|
| Restricted stock |
|
|
|
| Number of Shares |
|
|
|
| Non-vested at December 31, 2014 (in shares) |
1,033,394 |
|
|
| Granted (in shares) |
3,538,385 |
|
|
| Vested (in shares) |
(2,564) |
|
|
| Forfeited (in shares) |
(7,223) |
|
|
| Non-vested at March 31, 2015 (in shares) |
4,561,992 |
|
|
| Weighted Average Grant Date Fair Value per Share |
|
|
|
| Nonvested (in dollars per share) |
$ 11.72 |
|
$ 19.80 |
| Granted (in dollars per share) |
$ 9.38 |
|
|
| Vested (in dollars per share) |
$ 19.82 |
|
|
| Forfeitures (in dollars per share) |
$ 16.21 |
|
|