Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Schedule Of Financial Instruments Measured And Recorded At Fair Value On Recurring Basis) (Details)

v2.4.0.6
Financial Instruments (Schedule Of Financial Instruments Measured And Recorded At Fair Value On Recurring Basis) (Details) (USD $)
In Millions, unless otherwise specified
Sep. 29, 2012
Dec. 31, 2011
Financial Instrument [Line Items]    
Cash equivalents $ 627 $ 739
Marketable securities 524 896
Long-term marketable securities 180 149
Other assets 10 10
Total liabilities measured at fair value   2
Assets, Fair Value Disclosure 1,344 1,794
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 427 738
Marketable securities 1 0
Long-term marketable securities 1 9
Other assets 10 10
Total liabilities measured at fair value   0
Assets, Fair Value Disclosure 439 757
Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 200 1
Marketable securities 491 858
Long-term marketable securities 179 140
Other assets 0 0
Total liabilities measured at fair value   2
Assets, Fair Value Disclosure 873 999
Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 0 0
Marketable securities 32 38
Long-term marketable securities 0 0
Other assets 0 0
Total liabilities measured at fair value   0
Assets, Fair Value Disclosure 32 38
Money Market Funds [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 427 738
Long-term marketable securities 1 9
Other assets 10 10
Money Market Funds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 427 738
Long-term marketable securities 1 9
Other assets 10 10
Money Market Funds [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 0 0
Long-term marketable securities 0 0
Other assets 0 0
Money Market Funds [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 0 0
Long-term marketable securities 0 0
Other assets 0 0
Commercial Paper [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 200 1
Marketable securities 341 698
Commercial Paper [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 0 0
Marketable securities 0 0
Commercial Paper [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 200 1
Marketable securities 341 698
Commercial Paper [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Cash equivalents 0 0
Marketable securities 0 0
Time Deposits [Member]
   
Financial Instrument [Line Items]    
Marketable securities 100 160
Time Deposits [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 0 0
Time Deposits [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 100 160
Time Deposits [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 0 0
Auction Rate Securities [Member]
   
Financial Instrument [Line Items]    
Marketable securities 32 38
Auction Rate Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 0 0
Auction Rate Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 0 0
Auction Rate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 32 38
Marketable Equity Securities [Member]
   
Financial Instrument [Line Items]    
Marketable securities 1  
Marketable Equity Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 1  
Marketable Equity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 0  
Marketable Equity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Marketable securities 0  
Corporate Bonds [Member]
   
Financial Instrument [Line Items]    
Long-term marketable securities 179 140
Corporate Bonds [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Long-term marketable securities 0 0
Corporate Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Long-term marketable securities 179 140
Corporate Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Long-term marketable securities 0 0
Foreign Currency Derivative Contracts [Member]
   
Financial Instrument [Line Items]    
Prepaid expenses and other current assets 3  
Total liabilities measured at fair value   2
Foreign Currency Derivative Contracts [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Financial Instrument [Line Items]    
Prepaid expenses and other current assets 0  
Total liabilities measured at fair value   0
Foreign Currency Derivative Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Financial Instrument [Line Items]    
Prepaid expenses and other current assets 3  
Total liabilities measured at fair value   2
Foreign Currency Derivative Contracts [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Financial Instrument [Line Items]    
Prepaid expenses and other current assets 0  
Total liabilities measured at fair value   $ 0