Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 625	$ 528	$ 428
Other comprehensive income / (loss), net of tax
Foreign currency translation adjustments	150	(137)	201
Pension and other postretirement benefits	84	50	(59)
Derivatives qualifying as hedges	11	(52)	20
Total other comprehensive income / (loss)	245	(139)	162
Total comprehensive income	870	389	590
Net income attributable to noncontrolling interests	(115)	(89)	(105)
Translation adjustments attributable to noncontrolling interests	(1)	1	(3)
Derivatives qualifying as hedges attributable to noncontrolling interests	(1)	2	0
Comprehensive income attributable to Crown Holdings	$ 753	$ 303	$ 482