Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total Crown Equity [Member]	Noncontrolling Interests [Member]
Balance at beginning of period at Dec. 31, 2014	$ 387	$ 929	$ 407	$ 1,782	$ (2,765)	$ (234)	$ 119	$ 268
Net income attributable to Crown Holdings	327			327			327
Net income attributable to noncontrolling interests	48							48
Net income	375
Other comprehensive income	(329)				(324)		(324)	(5)
Dividends paid to noncontrolling interests	(21)						0	(21)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	3							3
Stock Issued During Period, Value, Restricted Stock Award, Gross	0		(2)			2	0
Stock-based compensation	22		22				22
Common stock issued	5		4			1	5
Common stock repurchased	(9)		(8)			(1)	(9)
Balance at end of period at Sep. 30, 2015	433	929	423	2,109	(3,089)	(232)	140	293
Balance at beginning of period at Dec. 31, 2015	435	929	426	2,175	(3,154)	(232)	144	291
Net income attributable to Crown Holdings	431			431			431
Net income attributable to noncontrolling interests	59							59
Net income	490
Other comprehensive income	(119)				(121)		(121)	2
Dividends paid to noncontrolling interests	(43)						0	(43)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	1						0	1
Stock Issued During Period, Value, Restricted Stock Award, Gross	0		(1)			1	0
Stock-based compensation	15		15				15
Common stock issued	8		6			2	8
Common stock repurchased	(8)		(7)			(1)	(8)
Balance at end of period at Sep. 30, 2016	$ 779	$ 929	$ 439	$ 2,606	$ (3,275)	$ (230)	$ 469	$ 310