CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY - USD ($) shares in Millions, $ in Millions |
Total |
Common Stock |
Additional Paid-in Capital |
Accumulated Other Comprehensive Loss |
Retained Earnings |
|---|---|---|---|---|---|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||
| Adoption of ASU | Topic 606 | $ 6 | $ 6 | |||
| Adoption of ASU | ASU 2018-02 | $ 1 | 1 | |||
| Beginning Balance (in shares) at Dec. 31, 2017 | 59 | 60 | |||
| Beginning Balance at Dec. 31, 2017 | $ 1,337 | $ 0 | $ 1,044 | $ (5) | 298 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | |||||
| Net income | 107 | 107 | |||
| 1.625% Convertible Notes exchange transaction (in shares) | 2 | ||||
| 1.625% Convertible Notes exchange transaction | 108 | 108 | |||
| Other comprehensive loss, net | (7) | (7) | |||
| Share-based compensation | 1 | 1 | |||
| Ending Balance (in shares) at Mar. 31, 2018 | 62 | ||||
| Ending Balance at Mar. 31, 2018 | $ 1,553 | $ 0 | $ 1,153 | $ (12) | $ 412 |