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 | (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 |
| Distribution to the noncontrolling interest | (6) | ||||||
| Net income | 40 | ||||||
| Other comprehensive income (loss) | 73 | ||||||
| Ending Balance at Sep. 30, 2018 | 3,112 | 0 | 0 | 9,582 | (6,526) | (36) | 92 |
| 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 | 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 |
| Distribution to the noncontrolling interest | (3) | 0 | 0 | 0 | 0 | 0 | (3) |
| Net income | 278 | 0 | 0 | 0 | 272 | 0 | 6 |
| Other comprehensive income (loss) | 15 | 0 | 0 | 0 | 0 | 14 | 1 |
| Ending Balance at Sep. 30, 2018 | 3,112 | 0 | 0 | 9,582 | (6,526) | (36) | 92 |
| 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 | 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 |
| Distribution to the noncontrolling interest | 0 | ||||||
| Net income | 941 | ||||||
| Other comprehensive income (loss) | (55) | ||||||
| Ending Balance at Sep. 30, 2019 | 3,541 | 0 | 0 | 9,584 | (6,017) | (131) | 105 |
| Beginning Balance at Mar. 31, 2019 | 3,213 | 0 | 0 | 9,584 | (6,367) | (100) | 96 |
| Net income | 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 |
| Dividends paid | (401) | 0 | 0 | 0 | (401) | 0 | 0 |
| Net income | 491 | 0 | 0 | 0 | 485 | 0 | 6 |
| Other comprehensive income (loss) | (2) | 0 | 0 | 0 | 0 | (2) | 0 |
| Ending Balance at Sep. 30, 2019 | $ 3,541 | $ 0 | $ 0 | $ 9,584 | $ (6,017) | $ (131) | $ 105 |