Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Millions	Total	Common Stock	Paid-in Capital	Accumulated Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Total Crown Equity	Noncontrolling Interests
Cumulative effect of change in accounting principles	$ 60			$ 60			$ 60
Balance at beginning of period at Dec. 31, 2016	668	$ 929	$ 446	2,621	$ (3,400)	$ (230)	366	$ 302
Net income attributable to Crown Holdings	107			107			107
Net income attributable to noncontrolling interests	26							26
Net income	133
Other comprehensive income	140				139		139	1
Dividends paid to noncontrolling interests	(13)							(13)
Restricted stock awarded	0		(1)			1
Stock-based compensation	4		4				4
Common stock issued	7		6			1	7
Common stock repurchased	(140)		(127)			(13)	(140)
Balance at end of period at Mar. 31, 2017	859	929	328	2,788	(3,261)	(241)	543	316
Cumulative effect of change in accounting principles	10			6	3		9	1
Balance at beginning of period at Dec. 31, 2017	923	929	167	3,004	(3,241)	(258)	601	322
Net income attributable to Crown Holdings	90			90			90
Net income attributable to noncontrolling interests	23							23
Net income	113
Other comprehensive income	61				60		60	1
Stock-based compensation	6		6				6
Common stock repurchased	(1)		(1)				(1)
Balance at end of period at Mar. 31, 2018	$ 1,112	$ 929	$ 172	$ 3,100	$ (3,178)	$ (258)	$ 765	$ 347