CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Tax effect of qualifying derivatives arising during the period | $ 0 | $ 0 | $ 0 | $ 0 |
| Tax effect of net actuarial (gain) loss arising during period | 2 | 3 | 2 | 3 |
| Tax effect of qualifying derivatives reclassified from AOCI | 0 | (1) | 0 | (1) |
| Tax effect of net actuarial (gain) loss reclassified from AOCI | 0 | 0 | 0 | 0 |
| Tax effect of equity investee's other comprehensive income (loss) | $ 0 | $ 0 | $ 0 | $ 0 |