CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 867	$ 519	$ (122)
Other comprehensive income (loss):
Changes in cumulative translation adjustment and unrealized loss from cash flow hedges	(69)	2	7
Amortization of pension and postretirement items	21	28	40
Income tax expense related to amortization of pension and postretirement items	(5)	(6)	(9)
Amortization of pension and postretirement items, net of tax	16	22	31
Change in net actuarial loss and prior service cost	(72)	122	(17)
Income tax (expense) benefit related to change in net actuarial loss and prior service cost	18	(18)	(2)
Change in net actuarial loss and prior service cost, net of taxes	(54)	104	(19)
Other comprehensive income, net of taxes	(107)	128	19
Comprehensive income (loss)	$ 760	$ 647	$ (103)