Employee Incentive, Retirement, Deferred Compensation, and Career Achievement Plans - Information on Stock Options Granted and Exercised (Details) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Retirement Benefits [Abstract] | |||
| Weighted-average fair value of options granted per share (in USD per share) | $ 21.99 | $ 19.08 | $ 19.72 |
| Cash received from options exercised | $ 156 | $ 84 | $ 49 |
| Tax benefit realized on options exercised | 32 | 17 | 12 |
| Aggregate intrinsic value of options exercised | $ 178 | $ 98 | $ 62 |