Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Net sales	$ 3,174	$ 2,468	$ 8,417	$ 6,530
Cost of products sold, excluding depreciation and amortization	2,530	1,972	6,804	5,235
Depreciation and amortization	127	63	305	183
Selling and administrative expense	153	89	402	270
Restructuring and other	(1)	16	28	30
Income from operations	365	328	878	812
Other pension and postretirement	(13)	(19)	(47)	(43)
Loss from early extinguishments of debt	0	0	0	(7)
Interest expense	105	64	282	187
Interest income	(6)	(4)	(17)	(10)
Foreign exchange	(14)	0	14	4
Income before income taxes	293	287	646	667
Provision for income taxes	102	79	196	178
Equity earnings / (loss) in affiliates	2	0	3	0
Net income	193	208	453	489
Net income attributable to noncontrolling interests	(29)	(31)	(67)	(77)
Net income attributable to Crown Holdings	$ 164	$ 177	$ 386	$ 412
Earnings per common share attributable to Crown Holdings:
Basic (in usd per share)	$ 1.23	$ 1.32	$ 2.89	$ 3.03
Diluted (in usd per share)	$ 1.23	$ 1.32	$ 2.88	$ 3.02