Annual report pursuant to Section 13 and 15(d)

Financial Instruments (Narrative) (Details)

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Financial Instruments (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2011
Oct. 01, 2011
Jul. 02, 2011
Apr. 02, 2011
Dec. 25, 2010
Sep. 25, 2010
Jun. 26, 2010
Mar. 27, 2010
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Financial Instrument [Line Items]                      
Available-for-sale investment in money market funds used as collateral $ 10       $ 29       $ 10 $ 29  
Available-for-sale marketable debt securities maturity, years                 1    
Maturity of auction rate securities, minimum                 January 2030    
Maturity of auction rate securities, maximum                 December 2050    
Auction rate securities, par value 21               21    
Sales of available-for-sale securities                 29    
Remaining auction rate securities 38               38    
Remaining auction rate securities at par value 45               45    
Net carrying amount, current 19               19    
Realized gain on available-for-sale securities                 4    
Other income (expense), net (207) [1] (7) 4 11 14 (6) (1) 304 (199) 311 166
Investments in long-term marketable securities 149               149    
Corporate Bonds [Member]
                     
Financial Instrument [Line Items]                      
Long-term marketable securities maturities period, maximum years                 2    
Auction Rate Securities [Member]
                     
Financial Instrument [Line Items]                      
Available-for-sale investment in money market funds used as collateral         16         16  
Realized gain on auction rate securities                   1  
Other income (expense), net                 $ 2    
[1] During the fourth quarter of 2011, the Company recorded a non-cash impairment charge of approximately $209 million related to its investment in GF.