Shareholders' Equity - Shares Repurchased and Reissued (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Apr. 22, 2025 |
|
| Equity, Class of Treasury Stock [Line Items] | |||
| Repurchase of common shares | $ 886 | $ 744 | |
| Stock repurchase program, authorized amount | $ 4,500 | ||
| Remaining balance under stock repurchase program | $ 1,800 | ||
| Reissuance of treasury stock (in shares) | 0.5 | 0.6 | |
| Common Stock Repurchases | |||
| Equity, Class of Treasury Stock [Line Items] | |||
| Repurchase of common shares (in shares) | 1.6 | 1.2 | |
| Repurchase of common shares | $ 784 | $ 617 | |
| Restricted Stock Units Repurchases | |||
| Equity, Class of Treasury Stock [Line Items] | |||
| Repurchase of common shares (in shares) | 0.2 | 0.2 | |
| Repurchase of common shares | $ 84 | $ 122 | |
| Option Repurchases | |||
| Equity, Class of Treasury Stock [Line Items] | |||
| Repurchase of common shares (in shares) | 0.1 | 0.1 | |
| Repurchase of common shares | $ 30 | $ 28 | |