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Earnings Per Share and Common Stock - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Aug. 18, 2021
Earnings Per Share [Abstract] |  |  |  |  |  |  |  |  |  |
Common stock outstanding (in shares) | 412,000,000 |  |  | 414,000,000 |  |  | 412,000,000 | 414,000,000 | 412,000,000 |
Authorized repurchase amount |  |  |  |  |  |  |  |  |  | $ 1,500,000,000
Remaining authorized repurchase amount | $ 797,000,000 |  |  |  |  |  | $ 797,000,000 |  | $ 797,000,000 |
Decrease in average shares outstanding, basic (in shares) | 3,000,000 |  |  |  |  |  |  |  |  |
Share repurchases (in shares) | 506,800 | 2,246,294 | 576,629 | 2,764,846 | 1,770,271 | 5,147,307 | 3,329,723 | 9,682,424 | 5,000,000 |
Common stock, dividends declared (in usd per share) | $ 0.09 |  |  | $ 0.06 |  |  | $ 0.17 | $ 0.10 |  |
Common stock, dividends per share, paid (in usd per share) | $ 0.04 |  |  | $ 0.02 |  |  | $ 0.12 | $ 0.06 |  |
Stock Options |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |  |  |
Number of anti-dilutive securities (in shares) | 0 |  |  | 0 |  |  | 0 | 0 |  |

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