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Statements of Consolidated Stockholder's Equity - USD ($) shares in Millions, $ in Millions | Total | United Airlines, Inc. | Common Stock | Additional Capital Invested | Additional Capital Invested United Airlines, Inc. | Treasury Stock | Accumulated Deficit | Accumulated Deficit United Airlines, Inc. | Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) United Airlines, Inc. | Receivable from Related Parties, Net United Airlines, Inc.
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2013 |  |  | 362 |  |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2013 | $ 2,984 | $ 3,223 | $ 4 | $ 7,425 | $ 7,590 | $ (38) | $ (5,015) | $ (4,743) | $ 608 | $ 608 | $ (232)
Net income | 1,132 | 1,114 |  |  |  |  | 1,132 | 1,114 |  |  |
Other comprehensive income (loss) | (1,687) | (1,687) |  |  |  |  |  |  | (1,687) | (1,687) |
Convertible debt redemption (in shares) |  |  | 17 |  |  |  |  |  |  |  |
Convertible debt redemption | 260 | 156 |  | 260 | 156 |  |  |  |  |  |
Repurchase of convertible debt | (34) |  |  | (34) |  |  |  |  |  |  |
Dividend and other capital distributions to UAL |  | (236) |  |  | (469) |  |  | 1 |  |  | 232
Share-based compensation | 10 | 10 |  | 10 | 10 |  |  |  |  |  |
Proceeds from exercise of stock options (in shares) |  |  | 2 |  |  |  |  |  |  |  |
Proceeds from exercise of stock options | 60 |  |  | 60 |  |  |  |  |  |  |
UAL contribution related to stock plans |  | 60 |  |  | 60 |  |  |  |  |  |
Repurchases of common stock | (320) |  |  |  |  | (320) |  |  |  |  |
Repurchases of common stock (in shares) |  |  | (6) |  |  |  |  |  |  |  |
Other | (9) | (5) |  |  |  | (9) |  |  |  |  | (5)
Ending Balance (in shares) at Dec. 31, 2014 |  |  | 375 |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2014 | 2,396 | 2,635 | $ 4 | 7,721 | 7,347 | (367) | (3,883) | (3,628) | (1,079) | (1,079) | (5)
Net income | 7,340 | 7,301 |  |  |  |  | 7,340 | 7,301 |  |  |
Other comprehensive income (loss) | 248 | 248 |  |  |  |  |  |  | 248 | 248 |
Convertible debt redemption (in shares) |  |  | 11 |  |  |  |  |  |  |  |
Convertible debt redemption | 202 |  |  | 202 |  |  |  |  |  |  |
Dividend and other capital distributions to UAL |  | (1,232) |  |  | (1,232) |  |  |  |  |  |
Share-based compensation | 7 | 7 |  | 7 | 7 |  |  |  |  |  |
Proceeds from exercise of stock options | 16 |  |  | 16 |  |  |  |  |  |  |
UAL contribution related to stock plans |  | 16 |  |  | 16 |  |  |  |  |  |
Repurchases of common stock | (1,232) |  |  |  |  | (1,232) |  |  |  |  |
Repurchases of common stock (in shares) |  |  | (21) |  |  |  |  |  |  |  |
Other | (11) | (12) |  |  |  | (11) |  |  |  |  | (12)
Ending Balance (in shares) at Dec. 31, 2015 |  |  | 365 |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2015 | 8,966 | 8,963 | $ 4 | 7,946 | 6,138 | (1,610) | 3,457 | 3,673 | (831) | (831) | (17)
Net income | 2,263 | 2,264 |  |  |  |  | 2,263 | 2,264 |  |  |
Other comprehensive income (loss) | 2 | 2 |  |  |  |  |  |  | 2 | 2 |
Dividend and other capital distributions to UAL |  | (2,603) |  |  | (2,603) |  |  |  |  |  |
Share-based compensation | 32 | 32 |  | 32 | 32 |  |  |  |  |  |
Proceeds from exercise of stock options | 6 |  |  | 6 |  |  |  |  |  |  |
UAL contribution related to stock plans |  | 6 |  |  | 6 |  |  |  |  |  |
Repurchases of common stock | $ (2,607) |  |  |  |  | (2,607) |  |  |  |  |
Repurchases of common stock (in shares) | (50) |  | (50) |  |  |  |  |  |  |  |
Treasury stock retired |  |  | $ (1) | (1,415) |  | 3,709 | (2,293) |  |  |  |
Other | $ (3) | (58) |  |  |  | (3) |  |  |  |  | (58)
Ending Balance (in shares) at Dec. 31, 2016 |  |  | 315 |  |  |  |  |  |  |  |
Ending Balance at Dec. 31, 2016 | $ 8,659 | $ 8,606 | $ 3 | $ 6,569 | $ 3,573 | $ (511) | $ 3,427 | $ 5,937 | $ (829) | $ (829) | $ (75)

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