Income Taxes, Deferred Tax Assets Related to Net Operating Loss and Tax Credit Carryforwards (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| Operating Loss and Tax Credit Carryforwards [Line Items] | |
| Operating loss and tax credit carryforwards, expiration date | Dec. 31, 2045 |
| Net operating loss and tax credit carryforwards | $ 6,601 |
| Undistributed earnings of foreign subsidiaries | 0 |
| U.S. federal [Member] | |
| Operating Loss and Tax Credit Carryforwards [Line Items] | |
| Tax credit carryforwards | 6,326 |
| U.S. state [Member] | |
| Operating Loss and Tax Credit Carryforwards [Line Items] | |
| Net operating loss and tax credit carryforwards | 218 |
| Non-U.S. [Member] | |
| Operating Loss and Tax Credit Carryforwards [Line Items] | |
| Net operating loss and tax credit carryforwards | $ 57 |