Annual report pursuant to Section 13 and 15(d)

Restructuring (Summary of Each Major Type of Restructuring Cost) (Details)

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Restructuring (Summary of Each Major Type of Restructuring Cost) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]      
Severance and benefits charges (reversals), net $ (5) $ 95 $ 54
Contract or program termination charges 0 0 45
Asset impairment charges 0 4 1
Facility consolidations and closure charges (reversals), net 11 1 (2)
Total restructuring charges $ 6 $ 100 $ 98