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Equity - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 21 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023 | Oct. 31, 2023 | Dec. 02, 2021
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |
Authorized amount | $ 2,000 |  |  |  |  |  |  | $ 2,000 |  | $ 1,000
Additional authorized amount |  |  |  |  |  | $ 1,000 |  |  |  |
Repurchase and retirement of common stock (in shares) | 1,509 | 1,444 | 793 | 4,105 | 750 | 5,812 | 1,000 | 15,413 |  |
Repurchase and retirement of common stock | $ 131 | $ 125 | $ 60 | $ 406 | $ 69 | $ 515 | $ 83 | $ 1,378 |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |
Dividends payable (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.575 |

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