Consolidated Statements of Stockholders' Equity Statement - USD ($) $ in Millions |
Total |
Common Stock [Member] |
Treasury Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
AOCI Attributable to Parent [Member] |
Noncontrolling Interest [Member] |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2017 | $ 3,067 | $ 0 | $ (15) | $ 9,661 | $ (6,552) | $ (106) | $ 79 | |||
| Treasury Stock, Value, Acquired, Cost Method | (7) | 0 | (7) | 0 | 0 | 0 | 0 | |||
| Stock-based compensation expense | 41 | 0 | 0 | 41 | 0 | 0 | 0 | |||
| Other | (78) | 0 | 22 | (100) | 0 | 0 | 0 | |||
| Dividends paid | (20) | 0 | 0 | (20) | 0 | 0 | 0 | |||
| Contribution from the noncontrolling interest | 2 | 0 | 0 | 0 | 0 | 0 | 2 | |||
| Distribution to the noncontrolling interest | (2) | 0 | 0 | 0 | 0 | 0 | (2) | |||
| Net income (loss) | (594) | 0 | 0 | 0 | (598) | 0 | 4 | |||
| Other comprehensive income (loss) | 38 | 0 | 0 | 0 | 0 | 36 | 2 | |||
| Ending Balance at Mar. 31, 2018 | 2,447 | 0 | 0 | 9,582 | (7,150) | (70) | 85 | |||
| Beginning Balance at Dec. 31, 2017 | 3,067 | 0 | (15) | 9,661 | (6,552) | (106) | 79 | |||
| Dividends paid | [1] | (18) | ||||||||
| Distribution to the noncontrolling interest | (3) | |||||||||
| Net income (loss) | (238) | |||||||||
| Other comprehensive income (loss) | 58 | |||||||||
| Ending Balance at Jun. 30, 2018 | 2,822 | 0 | 0 | 9,582 | (6,798) | (50) | 88 | |||
| Beginning Balance at Mar. 31, 2018 | 2,447 | 0 | 0 | 9,582 | (7,150) | (70) | 85 | |||
| Distribution to the noncontrolling interest | (1) | 0 | 0 | 0 | 0 | 0 | (1) | |||
| Net income (loss) | 356 | 0 | 0 | 0 | 352 | 0 | 4 | |||
| Other comprehensive income (loss) | 20 | 0 | 0 | 0 | 0 | 20 | 0 | |||
| Ending Balance at Jun. 30, 2018 | 2,822 | 0 | 0 | 9,582 | (6,798) | (50) | 88 | |||
| Beginning Balance at Dec. 31, 2018 | 3,056 | 0 | 0 | 9,582 | (6,542) | (77) | 93 | |||
| Other | 0 | 0 | 0 | 2 | 0 | 0 | (2) | |||
| Net income (loss) | 180 | 0 | 0 | 0 | 175 | 0 | 5 | |||
| Other comprehensive income (loss) | (23) | 0 | 0 | 0 | 0 | (23) | 0 | |||
| Ending Balance at Mar. 31, 2019 | 3,213 | 0 | 0 | 9,584 | (6,367) | (100) | 96 | |||
| Beginning Balance at Dec. 31, 2018 | 3,056 | 0 | 0 | 9,582 | (6,542) | (77) | 93 | |||
| Dividends paid | [1] | 0 | ||||||||
| Distribution to the noncontrolling interest | 0 | |||||||||
| Net income (loss) | 450 | |||||||||
| Other comprehensive income (loss) | (53) | |||||||||
| Ending Balance at Jun. 30, 2019 | 3,453 | 0 | 0 | 9,584 | (6,101) | (129) | 99 | |||
| Beginning Balance at Mar. 31, 2019 | 3,213 | 0 | 0 | 9,584 | (6,367) | (100) | 96 | |||
| Net income (loss) | 270 | 0 | 0 | 0 | 266 | 0 | 4 | |||
| Other comprehensive income (loss) | (30) | 0 | 0 | 0 | 0 | (29) | (1) | |||
| Ending Balance at Jun. 30, 2019 | $ 3,453 | $ 0 | $ 0 | $ 9,584 | $ (6,101) | $ (129) | $ 99 | |||
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