Schedule of Capital Leased Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Capital leased assets, gross	$ 195	$ 100
Accumulated depreciation	(76)	(70)
Capital leased assets, net	119	30
Land
Property, Plant and Equipment [Line Items]
Capital leased assets, gross	30	8
Building and Leasehold Improvements
Property, Plant and Equipment [Line Items]
Capital leased assets, gross	128	59
Furniture and equipment
Property, Plant and Equipment [Line Items]
Capital leased assets, gross	34	32
Construction in progress
Property, Plant and Equipment [Line Items]
Capital leased assets, gross	$ 3	$ 1