Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details) (Schedule of Available-For-Sale Securities and Fair Value Measurements)

v2.4.0.8
Financial Instruments (Details) (Schedule of Available-For-Sale Securities and Fair Value Measurements) (USD $)
In Millions, unless otherwise specified
Mar. 29, 2014
Dec. 28, 2013
Schedule of Available-for-sale Securities [Line Items]    
Cash and cash equivalents, at fair value $ 554 $ 869
Current marketable securities, at fair value 348 228
Noncurrent marketable securities, at fair value 80 90
Cash, cash equivalents and marketable securities, at fair value 982 1,187
Foreign currency contracts, liability, at fair value (4) (4)
Level 1
    
Schedule of Available-for-sale Securities [Line Items]    
Cash and cash equivalents, at fair value 14 19
Current marketable securities, at fair value 0 0
Noncurrent marketable securities, at fair value 4 2
Cash, cash equivalents and marketable securities, at fair value 18 21
Level 2
    
Schedule of Available-for-sale Securities [Line Items]    
Cash and cash equivalents, at fair value 255 421
Current marketable securities, at fair value 348 228
Noncurrent marketable securities, at fair value 76 88
Cash, cash equivalents and marketable securities, at fair value 679 737
Foreign currency contracts, liability, at fair value (4) (4)
Cash
    
Schedule of Available-for-sale Securities [Line Items]    
Cash and cash equivalents, at fair value 285 429
Cash, cash equivalents and marketable securities, at fair value 285 429
Money Market Funds
    
Schedule of Available-for-sale Securities [Line Items]    
Cash and cash equivalents, at fair value 14 19
Current marketable securities, at fair value 0 0
Noncurrent marketable securities, at fair value 4 2
Cash, cash equivalents and marketable securities, at fair value 18 21
Other assets, at fair value 18 18
Commercial Paper
    
Schedule of Available-for-sale Securities [Line Items]    
Cash and cash equivalents, at fair value 255 421
Current marketable securities, at fair value 348 178
Noncurrent marketable securities, at fair value 0  
Cash, cash equivalents and marketable securities, at fair value 603 599
Time Deposits
    
Schedule of Available-for-sale Securities [Line Items]    
Cash, cash equivalents and marketable securities, at fair value   50
Corporate Bonds
    
Schedule of Available-for-sale Securities [Line Items]    
Noncurrent marketable securities, at fair value 76 88
Cash, cash equivalents and marketable securities, at fair value 76 88
Mutual Funds
    
Schedule of Available-for-sale Securities [Line Items]    
Other assets, at fair value $ 13 $ 14