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Common Stock (Details) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 23, 2022 | Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Common stock repurchased (in shares) |  | 1,000,000 |  |
Purchase of treasury shares | $ 500,000,000 | $ 119,000,000 |  |
Payments for repurchase of common stock | $ 500,000,000 | $ 112,000,000 |  |
Stock-based compensation, shares issued during period (in shares) | 1,800,000 | 2,000,000 |  |
Common Stock |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Share repurchases program, authorized amount (up to) |  |  | $ 5,000,000,000 |
Stock repurchase program, remaining authorized repurchase amount | $ 5,800,000,000 |  |  | $ 1,300,000,000
Common stock repurchased (in shares) | 3,200,000 |  |  |

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