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	186			186			186
Net income attributable to noncontrolling interests	29							29
Net income	215
Other comprehensive income	(194)				(192)		(192)	(2)
Dividends paid to noncontrolling interests	(17)						0	(17)
Stock Issued During Period, Value, Restricted Stock Award, Gross	0		(2)			2	0
Stock-based compensation	17		17				17
Common stock issued	5		4			1	5
Common stock repurchased	(9)		(8)			(1)	(9)
Balance at end of period at Jun. 30, 2015	404	929	418	1,968	(2,957)	(232)	126	278
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	248			248			248
Net income attributable to noncontrolling interests	36							36
Net income	284
Other comprehensive income	(78)				(81)		(81)	3
Dividends paid to noncontrolling interests	(26)						0	(26)
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	10		10				10
Common stock issued	5		4			1	5
Common stock repurchased	(8)		(7)			(1)	(8)
Balance at end of period at Jun. 30, 2016	$ 623	$ 929	$ 432	$ 2,423	$ (3,235)	$ (231)	$ 318	$ 305