Shareholders' Equity - Shares Repurchased (Details) - USD ($) $ / shares in Units, $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | 7 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Aug. 06, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Aug. 06, 2025 |
Dec. 31, 2024 |
|
| Equity, Class of Treasury Stock [Line Items] | |||||||||||
| Repurchases of common stock | $ 251 | $ 281 | |||||||||
| Common Shares Outstanding | |||||||||||
| Equity, Class of Treasury Stock [Line Items] | |||||||||||
| Shares repurchased (in shares) | 1,537,505 | 1,335,228 | 1,054,727 | 1,658,441 | 1,928,328 | 1,539,278 | 6,180,774 | ||||
| Repurchases of common stock | $ 131 | $ 120 | $ 90 | $ 131 | $ 152 | $ 129 | $ 502 | ||||
| Average price paid per share (in dollars per share) | $ 85.03 | $ 89.72 | $ 86.11 | $ 78.87 | $ 78.50 | $ 84.07 | $ 81.28 | ||||
| Common Shares Outstanding | Subsequent Event | |||||||||||
| Equity, Class of Treasury Stock [Line Items] | |||||||||||
| Repurchased additional authorized amount | $ 300 | $ 300 | |||||||||
| Remaining capacity of shares repurchase program | $ 356 | $ 356 | |||||||||
| Shares repurchased (in shares) | 537,550 | 3,410,283 | |||||||||
| Repurchases of common stock | $ 45 | $ 296 | |||||||||
| Average price paid per share (in dollars per share) | $ 84.16 | $ 86.73 | |||||||||