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v3.22.0.1

Consolidated Statement of Stockholder's Equity - USD ($) $ in Millions | Total | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjusted Balance | Common Stock | Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance | Capital in excess of par value | Capital in excess of par value Cumulative Effect, Period of Adoption, Adjusted Balance | Retained earnings | Retained earnings Cumulative Effect, Period of Adoption, Adjustment | Retained earnings Cumulative Effect, Period of Adoption, Adjusted Balance | Accumulated other comprehensive income (loss) | Accumulated other comprehensive income (loss) Cumulative Effect, Period of Adoption, Adjustment | Accumulated other comprehensive income (loss) Cumulative Effect, Period of Adoption, Adjusted Balance | Treasury stock | Treasury stock Cumulative Effect, Period of Adoption, Adjusted Balance
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2018 | $ 9,853 | $ 55 | $ 9,908 | $ 808 | $ 808 | $ 1,510 | $ 1,510 | $ 15,967 | $ 55 | $ 16,022 | $ 20 |  | $ 20 | $ (8,452) | $ (8,452)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock | (2,000) |  |  |  |  |  |  |  |  |  |  |  |  | (2,000) |
Issuance of common and treasury stock pursuant to Employee stock plans | 27 |  |  |  |  | 16 |  |  |  |  |  |  |  | 11 |
Share-based compensation | 55 |  |  |  |  | 55 |  |  |  |  |  |  |  |  |
Cash dividends | (377) |  |  |  |  |  |  | (377) |  |  |  |  |  |  |
Comprehensive income (loss) | 2,219 |  |  |  |  |  |  | 2,300 |  |  | (81) |  |  |  |
Balance at end of period at Dec. 31, 2019 | 9,832 |  |  | 808 |  | 1,581 |  | 17,945 |  |  | (61) |  |  | (10,441) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock | (451) |  |  |  |  |  |  |  |  |  |  |  |  | (451) |
Issuance of common stock, net of issuance costs | 2,224 |  |  | 80 |  | 2,144 |  |  |  |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 34 |  |  |  |  | 17 |  |  |  |  |  |  |  | 17 |
Share-based compensation | 17 |  |  |  |  | 17 |  |  |  |  |  |  |  |  |
Cash dividends | (94) |  |  |  |  |  |  | (94) |  |  |  |  |  |  |
Stock warrants | 40 |  |  |  |  | 40 |  |  |  |  |  |  |  |  |
Equity feature of convertible notes, net of issuance costs | (392) |  |  |  |  | (392) |  |  |  |  |  |  |  |  |
Comprehensive income (loss) | (3,118) |  |  |  |  |  |  | (3,074) |  |  | (44) |  |  |  |
Balance at end of period at Dec. 31, 2020 | 8,876 | $ 0 |  | 888 |  | 4,191 |  | 14,777 | $ 20 |  | (105) | $ (20) |  | (10,875) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 37 |  |  |  |  | 22 |  |  |  |  |  |  |  | 15 |
Share-based compensation | 58 |  |  |  |  | 58 |  |  |  |  |  |  |  |  |
Stock warrants | 45 |  |  |  |  | 45 |  |  |  |  |  |  |  |  |
Equity feature of partial extinguishment of convertible notes | (92) |  |  |  |  | (92) |  |  |  |  |  |  |  |  |
Comprehensive income (loss) | 1,490 |  |  |  |  |  |  | 977 |  |  | 513 |  |  |  |
Balance at end of period at Dec. 31, 2021 | $ 10,414 |  |  | $ 888 |  | $ 4,224 |  | $ 15,774 |  |  | $ 388 |  |  | $ (10,860) |

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