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Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of Comprehensive Income [Abstract]      
Net earnings $ 5,336 $ 6,920 $ 5,732
Postretirement benefit plans      
Net actuarial gain (loss) recognized due to plan remeasurements, net of tax of $96 million in 2024, $181 million in 2023 and $518 million in 2022 340 (689) 1,873
Amortization of actuarial losses and prior service credits, net of tax of $21 million in 2024, $40 million in 2023 and $18 million in 2022 76 (149) 69
Pension settlement charge, net of tax of $314 million 0 0 1,156
Other, net, net of tax of $4 million in 2024, $6 million in 2023 and $2 million in 2022 (65) 58 (115)
Other comprehensive income, net of tax 351 (780) 2,983
Comprehensive income $ 5,687 $ 6,140 $ 8,715