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v3.19.1

Shareholder's Equity (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at period start | $ 3,222 |  |  |
Net income (loss) | (308) | $ (50) |  |
Other comprehensive income (loss), net | 22 | 13 |  |
Comprehensive Income (Loss), Net | (286) | (37) |  |
Balance at period end | 2,927 |  |  |
Common Stock [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at period start | 2 | 2 |  |
Cash dividends paid - preferred stock | 0 | 0 |  |
Stock option and incentive plans, net | 0 | 0 |  |
Net income (loss) | 0 | 0 |  |
Other comprehensive income (loss), net | 0 | 0 |  |
Comprehensive Income (Loss), Net | 0 | 0 |  |
Balance at period end | 2 | 2 |  |
Additional Paid-in Capital [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at period start | 3,878 | 3,850 |  |
Cash dividends paid - preferred stock | 0 | 0 |  |
Stock option and incentive plans, net | (1) | 3 |  |
Net income (loss) | 0 | 0 |  |
Other comprehensive income (loss), net | 0 | 0 |  |
Comprehensive Income (Loss), Net | 0 | 0 |  |
Balance at period end | 3,879 | 3,853 |  |
Retained Earnings [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at period start | (233) | 171 |  |
Cash dividends paid - preferred stock | (2) | (2) |  |
Stock option and incentive plans, net | 0 | 0 |  |
Net income (loss) | (308) | (50) |  |
Other comprehensive income (loss), net | 0 | 0 |  |
Comprehensive Income (Loss), Net | (308) | (50) |  |
Balance at period end | (551) | 136 |  |
AOCL Attributable to Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at period start | (425) | (494) |  |
Cash dividends paid - preferred stock | 0 | 0 |  |
Stock option and incentive plans, net | 0 | 0 |  |
Net income (loss) | 0 | 0 |  |
Other comprehensive income (loss), net | 22 | 13 |  |
Comprehensive Income (Loss), Net | 22 | 13 |  |
Balance at period end | (403) | (481) |  |
Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance at period start | 3,222 | 3,529 |  |
Cash dividends paid - preferred stock | (2) | (2) |  |
Stock option and incentive plans, net | (1) | 3 |  |
Net income (loss) | (308) | (50) |  |
Other comprehensive income (loss), net | 22 | 13 |  |
Comprehensive Income (Loss), Net | (286) | (37) |  |
Balance at period end | $ 2,927 | $ 3,510 |  |
Accounting Standards Update 2014-09 [Member] | Common Stock [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  |  | $ 0
Accounting Standards Update 2014-09 [Member] | Additional Paid-in Capital [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  |  | 0
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  |  | 17
Accounting Standards Update 2014-09 [Member] | AOCL Attributable to Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  |  | 0
Accounting Standards Update 2014-09 [Member] | Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  |  | $ 17
Accounting Standards Update 2014-09 | Common Stock [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  | $ 0 |
Accounting Standards Update 2014-09 | Additional Paid-in Capital [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  | 0 |
Accounting Standards Update 2014-09 | Retained Earnings [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  | (8) |
Accounting Standards Update 2014-09 | AOCL Attributable to Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  | 0 |
Accounting Standards Update 2014-09 | Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Cumulative impact of adopting the new lease standard |  |  | $ (8) |

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