A summary of changes in the components of Accumulated other comprehensive income (loss) for the three months ended March 31, 2026 is as follows:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In millions) | | Foreign Currency Translation | | Defined Benefit Pension and Post-retirement Plans | | | | Unrealized Hedging Gains (Losses) | | Accumulated Other Comprehensive Income (Loss) | | Balance as of December 31, 2025 | | $ | (225) | | | $ | (93) | | | | | $ | 49 | | | $ | (269) | | | Other comprehensive income (loss) before reclassifications, net | | (291) | | | — | | | | | — | | | (291) | | | Amounts reclassified, pre-tax | | — | | | 1 | | | | | (1) | | | — | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of March 31, 2026 | | $ | (516) | | | $ | (92) | | | | | $ | 48 | | | $ | (560) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
A summary of changes in the components of Accumulated other comprehensive income (loss) for the three months ended March 31, 2025 is as follows:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In millions) | | Foreign Currency Translation | | Defined Benefit Pension and Post-retirement Plans | | | | Unrealized Hedging Gains (Losses) | | Accumulated Other Comprehensive Income (Loss) | | Balance as of December 31, 2024 | | $ | (2,053) | | | $ | (107) | | | | | $ | 54 | | | $ | (2,106) | | | Other comprehensive income (loss) before reclassifications, net | | 634 | | | — | | | | | — | | | 634 | | | Amounts reclassified, pre-tax | | — | | | — | | | | | (1) | | | (1) | | | | | | | | | | | | | | | | | | | | | | | | | Balance as of March 31, 2025 | | $ | (1,419) | | | $ | (107) | | | | | $ | 53 | | | $ | (1,473) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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