CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net earnings	$ 83	$ 114
Other comprehensive income (loss):
Foreign currency translation adjustments	2	(9)
Changes in unamortized actuarial loss, net of tax expense of $3 and $4	10	8
Changes in unamortized net prior service cost, net of tax benefit of $0 and $0	(1)	0
Unrealized gain on cash flow hedges (Note 9)	2	0
Total other comprehensive income (loss)	13	(1)
Total comprehensive income	$ 96	$ 113