Consolidated Statement of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in cumulative foreign currency translation adjustment (less tax of $0, $0 and $0)	$ 0	$ 0	$ 0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	0	1	(1)
U.S. Plans
Amortization of pension and postretirement prior service costs and net loss:	29	28	41
Pension and postretirement liability adjustments:	(56)	(109)	235
Non-U.S. Plans
Amortization of pension and postretirement prior service costs and net loss:	0	0	0
Pension and postretirement liability adjustments:	$ 0	$ 1	$ 1