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v3.21.1

Condensed Consolidated Statement of Stockholders' Equity Statement - USD ($) $ in Millions | Total | Treasury stock | Accumulated other comprehensive income (loss) | Retained earnings | Capital in excess of par value | Common Stock
--- | --- | --- | --- | --- | --- | ---
Balance at beginning of period at Dec. 31, 2019 | $ 9,832 | $ (10,441) | $ (61) | $ 17,945 | $ 1,581 | $ 808
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Repurchase of common stock | (451) | (451) | 0 | 0 | 0 | 0
Issuance of common and treasury stock pursuant to Employee stock plans | (2) | (6) | 0 | 0 | 8 | 0
Share-based compensation | $ 9 | 0 | 0 | 0 | 9 | 0
Cash dividends, per share (in dollars per share) | $ 0.180 |  |  |  |  |
Cash dividends | $ (94) | 0 | 0 | (94) | 0 | 0
Comprehensive income (loss) | (219) | 0 | (125) | (94) | 0 | 0
Balance at end of period at Mar. 31, 2020 | 9,075 | (10,886) | (186) | 17,757 | 1,582 | 808
Balance at beginning of period at Dec. 31, 2020 | 8,876 | (10,875) | (105) | 14,777 | 4,191 | 888
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common and treasury stock pursuant to Employee stock plans | 0 | (8) | 0 | 0 | 8 | 0
Share-based compensation | 14 | 0 | 0 | 0 | 14 | 0
Stock warrants | 23 | 0 | 0 | 0 | 23 | 0
Comprehensive income (loss) | 180 | 0 | 64 | 116 | 0 | 0
Balance at end of period at Mar. 31, 2021 | 9,093 | (10,867) | (60) | 14,912 | 4,220 | 888
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative effect of new accounting standards | $ 0 | $ 0 | $ (19) | $ 19 | $ 0 | $ 0

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