CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (132)	$ 200	$ 168	$ 509
Other comprehensive income / (loss), net of tax:
Foreign currency translation adjustments	(58)	(46)	(188)	120
Pension and other postretirement benefits	397	4	417	23
Derivatives qualifying as hedges	(6)	7	3	(1)
Total other comprehensive income (loss)	333	(35)	232	142
Total comprehensive income	201	165	400	651
Net income attributable to noncontrolling interests	43	41	102	91
Translation adjustments attributable to noncontrolling interests	5	(1)	2	(2)
Comprehensive income attributable to Crown Holdings	$ 153	$ 125	$ 296	$ 562