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v3.21.2

Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Treasury Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2019 |  | 427 | (145) |  |  |
Beginning balance at Dec. 31, 2019 | $ 4,799 | $ 4 | $ (1,782) | $ 2,253 | $ 4,322 | $ 2
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
NET INCOME (LOSS) | (981) |  |  |  | (981) |
Other comprehensive income (loss) | (4) |  |  |  |  | (4)
Vesting of restricted stock units (in shares) |  | 2 |  |  |  |
Vesting of restricted stock units | (7) |  | $ (7) |  |  |
Stock compensation expense | 20 |  |  | 20 |  |
Stock issued under Crewmember stock purchase plan (in shares) |  | 2 |  |  |  |
Stock issued under Crewmember stock purchase plan | 22 |  |  | 22 |  |
Shares repurchased (in shares) |  |  | 13 |  |  |
Shares repurchased | (160) |  | $ (192) | 32 |  |
Warrants issued under federal payroll support programs | 28 |  |  | 28 |  |
Ending balance (in shares) at Sep. 30, 2020 |  | 431 | (158) |  |  |
Ending balance at Sep. 30, 2020 | 3,717 | $ 4 | $ (1,981) | 2,355 | 3,341 | (2)
Beginning balance (in shares) at Jun. 30, 2020 |  | 430 | (158) |  |  |
Beginning balance at Jun. 30, 2020 | 4,094 | $ 4 | $ (1,981) | 2,340 | 3,734 | (3)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
NET INCOME (LOSS) | (393) |  |  |  | (393) |
Other comprehensive income (loss) | 1 |  |  |  |  | 1
Vesting of restricted stock units (in shares) |  | 1 |  |  |  |
Vesting of restricted stock units | 0 |  |  |  |  |
Stock compensation expense | 5 |  |  | 5 |  |
Warrants issued under federal payroll support programs | 10 |  |  | 10 |  |
Ending balance (in shares) at Sep. 30, 2020 |  | 431 | (158) |  |  |
Ending balance at Sep. 30, 2020 | 3,717 | $ 4 | $ (1,981) | 2,355 | 3,341 | (2)
Beginning balance (in shares) at Dec. 31, 2020 |  | 474 | (158) |  |  |
Beginning balance at Dec. 31, 2020 | 3,951 | $ 5 | $ (1,981) | 2,959 | 2,968 | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
NET INCOME (LOSS) | (53) |  |  |  | (53) |
Vesting of restricted stock units (in shares) |  | 1 |  |  |  |
Vesting of restricted stock units | (8) |  | $ (8) |  |  |
Stock compensation expense | 23 |  |  | 23 |  |
Stock issued under Crewmember stock purchase plan (in shares) |  | 1 |  |  |  |
Stock issued under Crewmember stock purchase plan | 22 |  |  | 22 |  |
Warrants issued under federal payroll support programs | 14 |  |  | 14 |  |
Ending balance (in shares) at Sep. 30, 2021 |  | 476 | (158) |  |  |
Ending balance at Sep. 30, 2021 | 3,949 | $ 5 | $ (1,989) | 3,018 | 2,915 | 0
Beginning balance (in shares) at Jun. 30, 2021 |  | 476 | (158) |  |  |
Beginning balance at Jun. 30, 2021 | 3,813 | $ 5 | $ (1,989) | 3,012 | 2,785 | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
NET INCOME (LOSS) | 130 |  |  |  | 130 |
Stock compensation expense | 6 |  |  | 6 |  |
Ending balance (in shares) at Sep. 30, 2021 |  | 476 | (158) |  |  |
Ending balance at Sep. 30, 2021 | $ 3,949 | $ 5 | $ (1,989) | $ 3,018 | $ 2,915 | $ 0

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