Other Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other assets
Deferred tax asset	$ 295	$ 232
Capitalized software	104	78
Deferred returnable packaging costs	80	73
Deferred finance fees	51	50
Intangibles	34	29
Other	123	126
Total other assets	$ 687	$ 588