Annual report pursuant to Section 13 and 15(d)

Restructuring (Schedule of Restructuring Activities and Related Liabilities) (Details)

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Restructuring (Schedule of Restructuring Activities and Related Liabilities) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Restructuring Cost and Reserve [Line Items]    
Restructuring reserve balance, beginning of period $ 58 $ 67
Restructuring charges (reversals), net 6 100
Cash payments (54) (105)
Non-cash charges (reversals), net   (4)
Restructuring reserve balance, end of period 10 58
Severance and Related Benefits
    
Restructuring Cost and Reserve [Line Items]    
Restructuring reserve balance, beginning of period 41 22
Restructuring charges (reversals), net (5) 95
Cash payments (33) (76)
Non-cash charges (reversals), net   0
Restructuring reserve balance, end of period 3 41
Other Exit Related Costs
    
Restructuring Cost and Reserve [Line Items]    
Restructuring reserve balance, beginning of period 17 45
Restructuring charges (reversals), net 11 5
Cash payments (21) (29)
Non-cash charges (reversals), net   (4)
Restructuring reserve balance, end of period $ 7 $ 17