Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details) (Fair Value Measurements)

v2.4.0.8
Financial Instruments (Details) (Fair Value Measurements) (USD $)
In Millions, unless otherwise specified
Sep. 28, 2013
Dec. 29, 2012
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value $ 175 $ 477
Current marketable securities, at fair value 517 453
Noncurrent marketable securities, at fair value 121 181
Other assets, at fair value 31 24
Total assets, at fair alue 844 1,135
Foreign currency derivative contracts, liability, at fair value (1)  
Total liabilities, at fair value (1)  
Money Market Funds
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0 402
Noncurrent marketable securities, at fair value 0 13
Other assets, at fair value 18 10
Commercial Paper
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 150 75
Current marketable securities, at fair value 452 324
Time Deposits
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 25 0
Current marketable securities, at fair value 50 100
Auction Rate Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 15 28
Marketable Equity Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 0 1
Corporate Bonds
   
Financial Instruments, At Fair Value [Line Items]    
Noncurrent marketable securities, at fair value 121 168
Mutual Funds
   
Financial Instruments, At Fair Value [Line Items]    
Other assets, at fair value 13 14
Quoted Prices In Active Markets For Identical Assets (Level 1)
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0 402
Current marketable securities, at fair value 0 1
Noncurrent marketable securities, at fair value 0 13
Other assets, at fair value 31 24
Total assets, at fair alue 31 440
Foreign currency derivative contracts, liability, at fair value 0  
Total liabilities, at fair value 0  
Quoted Prices In Active Markets For Identical Assets (Level 1) | Money Market Funds
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value   402
Noncurrent marketable securities, at fair value   13
Other assets, at fair value 18 10
Quoted Prices In Active Markets For Identical Assets (Level 1) | Commercial Paper
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0 0
Current marketable securities, at fair value 0 0
Quoted Prices In Active Markets For Identical Assets (Level 1) | Time Deposits
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0  
Current marketable securities, at fair value 0 0
Quoted Prices In Active Markets For Identical Assets (Level 1) | Auction Rate Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 0 0
Quoted Prices In Active Markets For Identical Assets (Level 1) | Marketable Equity Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value   1
Quoted Prices In Active Markets For Identical Assets (Level 1) | Corporate Bonds
   
Financial Instruments, At Fair Value [Line Items]    
Noncurrent marketable securities, at fair value 0 0
Quoted Prices In Active Markets For Identical Assets (Level 1) | Mutual Funds
   
Financial Instruments, At Fair Value [Line Items]    
Other assets, at fair value 13 14
Significant Other Observable Inputs (Level 2)
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 175 75
Current marketable securities, at fair value 502 424
Noncurrent marketable securities, at fair value 121 168
Other assets, at fair value 0 0
Total assets, at fair alue 798 667
Foreign currency derivative contracts, liability, at fair value (1)  
Total liabilities, at fair value (1)  
Significant Other Observable Inputs (Level 2) | Money Market Funds
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value   0
Noncurrent marketable securities, at fair value   0
Other assets, at fair value 0 0
Significant Other Observable Inputs (Level 2) | Commercial Paper
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 150 75
Current marketable securities, at fair value 452 324
Significant Other Observable Inputs (Level 2) | Time Deposits
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 25  
Current marketable securities, at fair value 50 100
Significant Other Observable Inputs (Level 2) | Auction Rate Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 0 0
Significant Other Observable Inputs (Level 2) | Marketable Equity Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value   0
Significant Other Observable Inputs (Level 2) | Corporate Bonds
   
Financial Instruments, At Fair Value [Line Items]    
Noncurrent marketable securities, at fair value 121 168
Significant Other Observable Inputs (Level 2) | Mutual Funds
   
Financial Instruments, At Fair Value [Line Items]    
Other assets, at fair value 0 0
Significant Unobservable Inputs (Level 3)
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0 0
Current marketable securities, at fair value 15 28
Noncurrent marketable securities, at fair value 0 0
Other assets, at fair value 0 0
Total assets, at fair alue 15 28
Foreign currency derivative contracts, liability, at fair value 0  
Total liabilities, at fair value 0  
Significant Unobservable Inputs (Level 3) | Money Market Funds
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value   0
Noncurrent marketable securities, at fair value   0
Other assets, at fair value 0 0
Significant Unobservable Inputs (Level 3) | Commercial Paper
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0 0
Current marketable securities, at fair value 0 0
Significant Unobservable Inputs (Level 3) | Time Deposits
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0  
Current marketable securities, at fair value 0 0
Significant Unobservable Inputs (Level 3) | Auction Rate Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 15 28
Significant Unobservable Inputs (Level 3) | Marketable Equity Securities
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value   0
Significant Unobservable Inputs (Level 3) | Corporate Bonds
   
Financial Instruments, At Fair Value [Line Items]    
Noncurrent marketable securities, at fair value 0 0
Significant Unobservable Inputs (Level 3) | Mutual Funds
   
Financial Instruments, At Fair Value [Line Items]    
Other assets, at fair value $ 0 $ 0