Other Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Other assets
Deferred tax asset	$ 284	$ 295
Capitalized software	115	104
Deferred returnable packaging costs	96	80
Deferred finance fees	40	51
Intangibles	29	34
Other	111	123
Total other assets	$ 675	$ 687