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Capital Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Feb. 23, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 09, 2021
Class of Stock [Line Items] |  |  |  |  |
Common stock, dividends, per share, declared (in dollars per share) |  | $ 0.88 |  |  |
Common stock, dividends, per share, paid (in dollars per share) |  | $ 0.88 |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 3,000
Common stock repurchased |  | $ 722 | $ 950 | $ 66 |
Preferred stock, shares authorized (in shares) |  | 30,000,000 | 30,000,000 |  |
Subsequent Event |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock, dividends, per share, declared (in dollars per share) | $ 0.24 |  |  |  |

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