Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 329	$ 173	$ 575	$ 418
Other comprehensive income / (loss), net of tax:
Foreign currency translation adjustments	(42)	44	(29)	9
Pension and other postretirement benefits	11	15	18	30
Derivatives qualifying as hedges	(86)	17	(44)	32
Total other comprehensive income / (loss)	(117)	76	(55)	71
Total comprehensive income	212	249	520	489
Net income attributable to noncontrolling interests	34	45	64	79
Translation adjustments attributable to noncontrolling interests	(4)	0	(4)	(1)
Derivatives qualifying as hedges attributable to noncontrolling interests	(6)	1	(3)	2
Comprehensive income attributable to Crown Holdings	$ 188	$ 203	$ 463	$ 409