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	$ 213	$ 168	$ 405
Other comprehensive income (loss):
Foreign currency translation (loss) gain, net of income taxes	(1)	1	(2)
Pension and other postretirement benefit plan adjustments, net of income taxes	0	1	11
Other, net of income taxes	1	0	0
Other comprehensive income, net of income taxes	0	2	9
Total comprehensive income	$ 213	$ 170	$ 414