Annual report pursuant to Section 13 and 15(d)

Available For Sale Investments (Detail)

v2.4.0.6
Available For Sale Investments (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 24 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Dec. 26, 2009
Investments That Were Sold 2009 [Member]
Dec. 31, 2011
Bank Deposits [Member]
Dec. 25, 2010
Bank Deposits [Member]
Dec. 31, 2011
Marketable Equity Securities [Member]
Dec. 25, 2010
Marketable Equity Securities [Member]
Dec. 31, 2011
Corporate Bonds [Member]
Dec. 25, 2010
Corporate Bonds [Member]
Dec. 31, 2011
Asset-Backed Securities [Member]
Dec. 25, 2010
Asset-Backed Securities [Member]
Dec. 31, 2011
Government Bonds [Member]
Dec. 25, 2010
Government Bonds [Member]
Dec. 31, 2011
Commercial Paper [Member]
Dec. 25, 2010
Commercial Paper [Member]
Dec. 31, 2011
Money Market Fund Deposits [Member]
Dec. 25, 2010
Money Market Fund Deposits [Member]
Available-For-Sale Investments [Abstract]                                    
Adjusted Cost         $ 1,046 $ 1,550     $ 892 $ 2,250 $ 48 $ 76 $ 4,131 $ 10,075 $ 3,820 $ 5,312 $ 546 $ 34
Gross Unrealized Gains 400 648     1 1 385 629 14 9       9        
Gross Unrealized Losses (41) (19)     (1)   (12) (1) (9) (4) (12) (9) (4) (5) (3)      
Fair Value 10,469       1,046 1,551     897 2,255 36 67 4,127 10,079 3,817 5,312 546 34
Adjusted Cost, Total 10,672 19,677                                
Fair Value, Total 11,031 20,306                                
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds 9,100 475 192                              
Available-for-sale Securities, Gross Realized Gains 268 160 43                              
Due in 1 year or less, Cost 9,033                                  
Due in 1-2 years, Cost 626                                  
Due in 2-5 years, Cost 226                                  
Due after 5 years, Cost 4                                  
Instruments not due at a single maturity date, Cost 594                                  
Cost, Total 10,483                                  
Due in 1 year or less, Fair Value 9,034                                  
Due in 1-2 years, Fair Value 626                                  
Due in 2-5 years, Fair Value 224                                  
Due after 5 years, Fair Value 3                                  
Instruments not due at a single maturity date, Fair Value 582                                  
Adjusted Cost 189 380                                
Fair Value 562 1,008                                
Available-for-sale Securities, Realized Gains Losses, Third Party Merger Transactions     56                              
Available-for-sale Securities, Gross Realized Losses   13 64                              
Net unrealized holding gains (losses) included in other comprehensive income (loss) 35 311 578                              
Gain (Loss) on Investments [Abstract]                                    
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities $ 73     $ 34