Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 246	$ 245
Other comprehensive income / (loss), net of tax:
Foreign currency translation adjustments	13	(35)
Pension and other postretirement benefits	7	15
Amount of gain/(loss) recognized in OCI	42	15
Total other comprehensive income / (loss)	62	(5)
Total comprehensive income	308	240
Net income attributable to noncontrolling interests	30	34
Translation adjustments attributable to noncontrolling interests	0	1
Derivatives qualifying as hedges attributable to noncontrolling interests	3	(1)
Comprehensive income attributable to Crown Holdings	$ 275	$ 206