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	$ 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
Balance at beginning of period at Dec. 31, 2018	1,286	929	186	3,449	(3,374)	(253)	937	349
Net income attributable to Crown Holdings	103			103			103
Net income attributable to noncontrolling interests	28							28
Net income	131
Other comprehensive income	85				85		85
Dividends paid to noncontrolling interests	(9)							(9)
Restricted stock awarded	0		(1)			1
Stock-based compensation	8		8				8
Common stock issued	2		2				2
Common stock repurchased	(1)		(1)				(1)
Balance at end of period at Mar. 31, 2019	$ 1,502	$ 929	$ 194	$ 3,552	$ (3,289)	$ (252)	$ 1,134	$ 368