CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 207	$ 187	$ 300	$ 309
Other comprehensive income / (loss), net of tax:
Foreign currency translation adjustments	(138)	77	(130)	166
Pension and other postretirement benefits	10	9	20	19
Derivatives qualifying as hedges	14	(13)	9	(8)
Total other comprehensive income	(114)	73	(101)	177
Total comprehensive income	93	260	199	486
Net income attributable to noncontrolling interests	33	30	59	50
Translation adjustments attributable to noncontrolling interests	0	(2)	(3)	(1)
Comprehensive income attributable to Crown Holdings	$ 60	$ 232	$ 143	$ 437