CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 206	$ 227
Other comprehensive income / (loss), net of tax:
Foreign currency translation adjustments	(32)	(35)
Pension and other postretirement benefits	2	2
Derivatives qualifying as hedges	13	(2)
Total other comprehensive income / (loss)	(17)	(35)
Total comprehensive income	189	192
Net income attributable to noncontrolling interests	31	34
Translation adjustments attributable to noncontrolling interests	(1)	0
Derivatives qualifying as hedges attributable to noncontrolling interests	1	0
Comprehensive income attributable to Crown Holdings	$ 158	$ 158