Earnings Per Share (Computations Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share [Abstract]
Net income attributable to Crown Holdings	$ 101	$ 325	$ 275	$ 528
Weighted average shares outstanding:
Basic	137.8	145.5	140.5	147.1
Add: dilutive stock options and restricted stock	1.4	2.3	1.4	2.3
Diluted	139.2	147.8	141.9	149.4
Basic earnings per share	$ 0.73	$ 2.23	$ 1.96	$ 3.59
Diluted earnings per share	$ 0.73	$ 2.20	$ 1.94	$ 3.53