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v3.19.3

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings
--- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2017 | 59.3 | 60.0 |  |  |
Beginning Balance at Dec. 31, 2017 | $ 1,337 | $ 0 | $ 1,044 | $ (5) | $ 298
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 107 |  |  |  | 107
Exchange of 1.625% Convertible Notes (in shares) |  | 2.0 |  |  |
Exchange of 1.625% Convertible Notes | 108 |  | 108 |  |
Other comprehensive income (loss), net | (6) |  |  | (6) |
Share-based compensation | 1 |  | 1 |  |
Ending Balance (in shares) at Mar. 31, 2018 |  | 62.0 |  |  |
Ending Balance at Mar. 31, 2018 | $ 1,553 | $ 0 | 1,153 | (12) | 412
Beginning Balance (in shares) at Dec. 31, 2017 | 59.3 | 60.0 |  |  |
Beginning Balance at Dec. 31, 2017 | $ 1,337 | $ 0 | 1,044 | (5) | 298
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 506 |  |  |  |
Exchange of 1.625% Convertible Notes | 108 |  |  |  |
Other comprehensive income (loss), net | (4) |  |  |  |
Ending Balance (in shares) at Sep. 30, 2018 |  | 62.0 |  |  |
Ending Balance at Sep. 30, 2018 | 1,561 | $ 0 | 760 | (10) | 811
Beginning Balance (in shares) at Mar. 31, 2018 |  | 62.0 |  |  |
Beginning Balance at Mar. 31, 2018 | 1,553 | $ 0 | 1,153 | (12) | 412
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 202 |  |  |  | 202
Partial termination of 1.125% Warrants | (113) |  | (113) |  |
Other comprehensive income (loss), net | 1 |  |  | 1 |
Share-based compensation | $ 15 |  | 15 |  |
Ending Balance (in shares) at Jun. 30, 2018 | 61.3 | 62.0 |  |  |
Ending Balance at Jun. 30, 2018 | $ 1,658 | $ 0 | 1,055 | (11) | 614
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 197 |  |  |  | 197
Partial termination of 1.125% Warrants | (306) |  | (306) |  |
Conversion of 1.625% Convertible Notes | 4 |  | 4 |  |
Other comprehensive income (loss), net | 1 |  |  | 1 |
Share-based compensation | 7 |  | 7 |  |
Ending Balance (in shares) at Sep. 30, 2018 |  | 62.0 |  |  |
Ending Balance at Sep. 30, 2018 | $ 1,561 | $ 0 | 760 | (10) | 811
Beginning Balance (in shares) at Dec. 31, 2018 | 62.1 | 62.0 |  |  |
Beginning Balance at Dec. 31, 2018 | $ 1,647 | $ 0 | 643 | (8) | 1,012
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 198 |  |  |  | 198
Partial termination of 1.125% Warrants | (103) |  | (103) |  |
Other comprehensive income (loss), net | 5 |  |  | 5 |
Share-based compensation (in shares) |  | 1.0 |  |  |
Share-based compensation | 3 |  | 3 |  |
Ending Balance (in shares) at Mar. 31, 2019 |  | 63.0 |  |  |
Ending Balance at Mar. 31, 2019 | $ 1,835 | $ 0 | 543 | (3) | 1,295
Beginning Balance (in shares) at Dec. 31, 2018 | 62.1 | 62.0 |  |  |
Beginning Balance at Dec. 31, 2018 | $ 1,647 | $ 0 | 643 | (8) | 1,012
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 569 |  |  |  |
Exchange of 1.625% Convertible Notes | 0 |  |  |  |
Other comprehensive income (loss), net | 13 |  |  |  |
Ending Balance (in shares) at Sep. 30, 2019 |  | 63.0 |  |  |
Ending Balance at Sep. 30, 2019 | 1,831 | $ 0 | 160 | 5 | 1,666
Beginning Balance (in shares) at Mar. 31, 2019 |  | 63.0 |  |  |
Beginning Balance at Mar. 31, 2019 | 1,835 | $ 0 | 543 | (3) | 1,295
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 196 |  |  |  | 196
Partial termination of 1.125% Warrants | (321) |  | (321) |  |
Other comprehensive income (loss), net | 8 |  |  | 8 |
Share-based compensation | $ 18 |  | 18 |  |
Ending Balance (in shares) at Jun. 30, 2019 | 62.2 | 63.0 |  |  |
Ending Balance at Jun. 30, 2019 | $ 1,736 | $ 0 | 240 | 5 | 1,491
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 175 |  |  |  | 175
Partial termination of 1.125% Warrants | (90) |  | (90) |  |
Other comprehensive income (loss), net | 0 |  |  |  |
Share-based compensation | 10 |  | 10 |  |
Ending Balance (in shares) at Sep. 30, 2019 |  | 63.0 |  |  |
Ending Balance at Sep. 30, 2019 | $ 1,831 | $ 0 | $ 160 | $ 5 | $ 1,666

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