Asset Impairment and Sales (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended					12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Asset Impairments And Sales [Line Items]
Asset impairments and sales	$ 18	$ 14	$ 10	$ 8	$ 2	$ 42	$ (6)	$ 18
Beverage Can Plant In Thailand [Member]
Asset Impairments And Sales [Line Items]
Asset impairments and sales						31	(4)
Property, plant, and equipment write-down							23
Superior Acquisition [Member]
Asset Impairments And Sales [Line Items]
Business Combination, Bargain Purchase, Gain Recognized, Amount						14
Canadian Real Estate [Member]
Asset Impairments And Sales [Line Items]
Gain on sale of property								14
Plastic Closures Business In Brazil [Member]
Asset Impairments And Sales [Line Items]
Gain on sale of subsidiary								$ 4