Income Taxes (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Operating Loss Carryforwards [Line Items] | |||
| Net operating and capital loss carryforwards (tax effected) for federal income tax purposes | $ 695 | ||
| Net operating and capital loss carryforwards (tax effected) for state income tax purposes | 545 | ||
| Net operating and capital loss carryforwards (tax effected) for foreign income tax purposes | 2,227 | ||
| Amount of deposits that reduced UTB balance | 2,894 | $ 2,282 | $ 2,361 |
| Current tax assets | 2,772 | 2,236 | 2,079 |
| Accrued interest and penalties included in unrecognized tax benefits balance at year end | 2,604 | 2,223 | 1,785 |
| Net interest and penalty expense (benefit) included in income tax expense | 476 | $ 474 | $ 324 |
| Federal | |||
| Operating Loss Carryforwards [Line Items] | |||
| Tax credit carryforwards | 645 | ||
| State | |||
| Operating Loss Carryforwards [Line Items] | |||
| Tax credit carryforwards | $ 1,454 | ||