Income Taxes (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Income Tax Contingency [Line Items] | |||
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | $ 104 | $ 210 | $ 177 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 741 | $ 637 | |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 2,800 | ||
| Federal [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Tax Credit Carryforward, Description | indefinite | ||
| Earliest Tax Year [Member] | State [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Tax Credit Carryforward, Expiration Date | Jan. 01, 2026 | ||
| Latest Tax Year [Member] | State [Member] | |||
| Income Tax Contingency [Line Items] | |||
| Tax Credit Carryforward, Expiration Date | Jan. 01, 2045 | ||