Common Stock and Stock Plans, Stock Compensation Expense (Details) - USD ($) shares in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Allocation of Stock Compensation Expense and Related Recognized Tax Benefit [Abstract] | |||
| RSRs and stock options | $ 1,407 | $ 1,180 | $ 1,069 |
| PSAs | 69 | 101 | 53 |
| Total stock compensation expense | 1,476 | 1,281 | 1,122 |
| Related recognized tax benefit | $ 365 | $ 317 | $ 277 |
| Total number of shares of common stock available for grant under plans | 57 | ||