Our Significant Accounting Policies (Details) (USD $)	12 Months Ended
Our Significant Accounting Policies (Details) (USD $)	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Property, Plant and Equipment [Line Items]
Software amortization	$ 196,000,000	$ 156,000,000	$ 137,000,000
Net capitalized software and development costs	$ 1,100,000,000	$ 1,300,000,000
Minimum [Member] \| Software [Member]
Property, Plant and Equipment [Line Items]
Software estimated useful lives	5 years
Maximum [Member] \| Software [Member]
Property, Plant and Equipment [Line Items]
Software estimated useful lives	10 years

For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.