Acquisition And Dispositions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			0 Months Ended
	Dec. 31, 2011 years	Dec. 25, 2010	Dec. 25, 2010 International Division [Member]	Feb. 25, 2011 Frans Svanstroms & Co AB [Member] years
Acquisition And Dispositions [Line Items]
Acquisition date	February 25, 2011
Goodwill				$ 46
Amortizing intangible assets				20
Weighted average amortization period for the finite-lived intangible assets (in years)	5.7			6.9
Loss on disposition		$ 11	$ 11