Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) / income	$ (411)	$ 688	$ 625
Other comprehensive income / (loss), net of tax
Foreign currency translation adjustments	601	(88)	150
Pension and other postretirement benefits	696	(15)	84
Derivatives qualifying as hedges	(2)	46	11
Total other comprehensive income / (loss)	1,295	(57)	245
Total comprehensive income	884	631	870
Net income attributable to noncontrolling interests	149	109	115
Translation adjustments attributable to noncontrolling interests	(1)	3	1
Derivatives qualifying as hedges attributable to noncontrolling interests	1	2	1
Comprehensive income attributable to Crown Holdings	$ 735	$ 517	$ 753