Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income / (loss)	$ 587	$ 855	$ (411)
Other comprehensive income / (loss), net of tax
Foreign currency translation adjustments	176	(41)	601
Pension and other postretirement benefits	22	83	696
Derivatives qualifying as hedges	8	(40)	(2)
Total other comprehensive income	206	2	1,295
Total comprehensive income	793	857	884
Net income attributable to noncontrolling interests	137	128	149
Translation adjustments attributable to noncontrolling interests	1	(2)	(1)
Pension and other postretirement benefits attributable to noncontrolling interests	0	1	0
Derivatives qualifying as hedges attributable to noncontrolling interests		(3)	1
Comprehensive income attributable to Crown Holdings	$ 655	$ 733	$ 735