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
Jun. 29, 2013
Dec. 29, 2012
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value $ 245 $ 477
Current marketable securities, at fair value 634 453
Noncurrent marketable securities, at fair value 149 181
Other assets, at fair value 31 24
Total assets, at fair alue 1,059 1,135
Foreign currency derivative contracts, liability, at fair value (5)  
Total liabilities, at fair value (5)  
Money Market Funds
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 165 402
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 80 75
Current marketable securities, at fair value 519 324
Time Deposits
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 100 100
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 149 168
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 165 402
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 196 440
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 165 402
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]    
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 80 75
Current marketable securities, at fair value 619 424
Noncurrent marketable securities, at fair value 149 168
Other assets, at fair value 0 0
Total assets, at fair alue 848 667
Foreign currency derivative contracts, liability, at fair value (5)  
Total liabilities, at fair value (5)  
Significant Other Observable Inputs (Level 2) | Money Market Funds
   
Financial Instruments, At Fair Value [Line Items]    
Cash equivalents, at fair value 0 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 80 75
Current marketable securities, at fair value 519 324
Significant Other Observable Inputs (Level 2) | Time Deposits
   
Financial Instruments, At Fair Value [Line Items]    
Current marketable securities, at fair value 100 100
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 149 168
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 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]    
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