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Consolidated Statement of Stockholder's Equity - USD ($) $ in Millions | Total | Cumulative Effect, Period of Adoption, Adjustment | Common Stock | Capital in excess of par value | Capital in excess of par value Cumulative Effect, Period of Adoption, Adjustment | Retained earnings | Retained earnings Cumulative Effect, Period of Adoption, Adjustment | Accumulated other comprehensive income (loss) | Accumulated other comprehensive income (loss) Cumulative Effect, Period of Adoption, Adjustment | Treasury stock
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning 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] |  |  |  |  |  |  |  |  |  |
Cash dividends, per share (in dollars per share) | $ 0.18 |  |  |  |  |  |  |  |  |
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 | (245) | 888 | 4,224 | $ (300) | 15,774 | 55 | 388 |  | (10,860)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible Enumeration] | Accounting Standards Update 2016-01 [Member] |  |  |  |  |  |  |  |  |
Equity feature of convertible notes, net of issuance costs | $ 300 |  |  |  |  |  |  |  |  |
Balance at beginning of period at Dec. 31, 2021 | 10,414 | $ (245) | 888 | 4,224 | $ (300) | 15,774 | $ 55 | 388 |  | (10,860)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 46 |  |  | 29 |  |  |  |  |  | 17
Share-based compensation | 84 |  |  | 84 |  |  |  |  |  |
Cash dividends | (107) |  |  |  |  | (107) |  |  |  |
Comprehensive income (loss) | 495 |  |  |  |  | 539 |  | (44) |  |
Balance at end of period at Dec. 31, 2022 | $ 10,687 |  | $ 888 | $ 4,037 |  | $ 16,261 |  | $ 344 |  | $ (10,843)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible Enumeration] | Accounting Standards Update 2016-01 [Member] |  |  |  |  |  |  |  |  |
Cash dividends, per share (in dollars per share) | $ 0.18 |  |  |  |  |  |  |  |  |

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