Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Statement of comprehensive income [abstract] | ||||
| Income tax relating to unrealized gains on derivatives designated as cash flow hedges | $ 0 | $ 0 | $ 0 | $ 0 |
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | 0 | 0 | 0 | 0 |
| Income tax relating to unrealized investments in equity instruments included in other comprehensive income | 6 | (1) | 6 | (1) |
| Income tax relating to realized investments in equity instruments included in other comprehensive income | $ (8) | $ 0 | $ (9) | $ 0 |