Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Details) (Valuation and Qualifying Accounts)

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Valuation and Qualifying Accounts (Details) (Valuation and Qualifying Accounts) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Valuation and Qualifying Accounts Disclosure [Line Items]      
Valuation allowances and reserves, balance $ 2 $ 2 $ 4
Valuation allowances and reserves, charged to cost and expense (2) 0 (1)
Valuation allowances and reserves, deductions 0 0 (1)
Valuation allowances and reserves, balance $ 0 $ 2 $ 2