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Earnings Per Share and Common Stock - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Aug. 18, 2021
Earnings Per Share [Abstract] |  |  |  |
Common stock outstanding (in shares) | 408,169,673 | 411,810,073 | 408,169,673 |
Authorized repurchase amount |  |  |  | $ 1,500,000,000
Remaining authorized repurchase amount | $ 547,000,000 |  | $ 547,000,000 |
Share repurchases (in shares) | 2,200,000 | 600,000 | 7,000,000 |
Average price per share (in usd per share) | $ 66.87 | $ 43.36 |  |
Value of shares repurchased | $ 150,000,000 | $ 25,000,000 |  |
Decrease in average shares outstanding, basic (in shares) | 2,000,000 |  |  |
Shares issued in period (in shares) |  |  | 3,000,000 |
Stock Options |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Number of anti-dilutive securities (in shares) | 0 | 0 |  |

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