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CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement of Comprehensive Income [Abstract]      
Actuarial gains (losses), tax expense (benefit) $ 1,000,000 $ 2,000,000 $ (5,000,000)
Amortization of unrecognized actuarial losses, tax expense (benefit) 0 0 0
Realized (gains) losses on derivative instruments, tax expense (benefit) 3,000,000 0 (3,000,000)
Unrealized gains (loss) on derivative instruments, tax expense (benefit) $ 3,000,000 $ 1,000,000 $ (1,000,000)