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Consolidated Statements of Comprehensive Earnings (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of Comprehensive Income [Abstract]      
Net gain (loss) arising during period, tax $ 11 $ (5) $ 29
Prior service cost arising during period, tax 0 0 (12)
Amortization of prior service cost, tax 1 2 1
Amortization of actuarial loss, tax 0 0 1
Amount recognized in net periodic pension cost due to settlement, tax $ 0 $ 0 $ 1