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															12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Share [Abstract]
Net income attributable to Crown Holdings	$ 29	[1]	$ 325	[2]	$ 134	[3]	$ 69	$ 8	[4]	$ 129	[5]	$ 129	[6]	$ 16	[7]	$ 557	$ 282	$ 324
Weighted average shares outstanding:
Basic	143.0	[1]	145.5	[2]	148.0	[3]	147.8	149.8	[4]	150.1	[5]	152.3	[6]	154.6	[7]	146.1	151.7	159.4
Add: dilutive stock options and restricted stock																2.3	2.6	3.0
Diluted	145.3	[1]	147.8	[2]	150.5	[3]	150.0	152.1	[4]	152.7	[5]	155.5	[6]	157.9	[7]	148.4	154.3	162.4
Basic EPS	$ 0.20	[1]	$ 2.23	[2]	$ 0.91	[3]	$ 0.47	$ 0.05	[4]	$ 0.86	[5]	$ 0.85	[6]	$ 0.10	[7]	$ 3.81	$ 1.86	$ 2.03
Diluted EPS	$ 0.20	[1]	$ 2.20	[2]	$ 0.89	[3]	$ 0.46	$ 0.05	[4]	$ 0.84	[5]	$ 0.83	[6]	$ 0.10	[7]	$ 3.75	$ 1.83	$ 2.00
Contingently issuable shares excluded from the computation of diluted earnings per share because the effect would have been anti-dilutive.																0.1	0.1	0.3

[1] Includes pre-tax charges of $35 for asbestos claims and $38 for restructuring actions, pre-tax gain of $18 for asset impairments and sales and an income tax charge of $4 for tax law changes.

[2] Includes pre-tax charge of $7 for restructuring, pre-tax gain of $14 for asset impairments and sales and a net income tax benefit of $169 primarily related to the recognition of U.S. foreign tax credits.

[3] Includes pre-tax charge of $3 for restructuring and pre-tax gain of $10 for asset impairments and sales.

[4] Includes pre-tax charges of $28 for asbestos claims,$50 for restructuring actions,$8 for asset impairments and sales and $5 for tax charges in connection with the relocation of the Company’s European Division headquarters.

[5] Includes pre-tax charges of $2 for restructuring actions, $25 for tax charges in connection with a tax law change in France and pre-tax gains of $2 for asset impairments and sales.

[6] Includes pre-tax charge of $2 for loss on early extinguishment of debt.

[7] Includes pre-tax charges of $25 for restructuring actions, $30 for losses on early extinguishments of debt and $17 for tax charges in connection with relocation of the Company’s European Division headquarters..