Quarterly report pursuant to Section 13 or 15(d)

Available For Sale Investments (Detail)

v2.4.0.6
Available For Sale Investments (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Dec. 31, 2011
Available-For-Sale Investments [Abstract]      
Gross Unrealized Gains $ 628   $ 400
Gross Unrealized Losses (12)   (41)
Fair Value 9,164    
Adjusted Cost, Total 9,367   10,672
Fair Value, Total 9,983   11,031
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds 333 7,600  
Available-for-sale Securities, Gross Realized Gains   28  
Due in 1 year or less, Cost 8,187    
Due in 1-2 years, Cost 218    
Due in 2-5 years, Cost 262    
Due after 5 years, Cost 3    
Instruments not due at a single maturity date, Cost 489    
Cost, Total 9,159    
Due in 1 year or less, Fair Value 8,194    
Due in 1-2 years, Fair Value 223    
Due in 2-5 years, Fair Value 259    
Due after 5 years, Fair Value 2    
Instruments not due at a single maturity date, Fair Value 486    
Adjusted Cost 208   189
Fair Value 819   562
Net unrealized holding gains (losses) included in other comprehensive income (loss) 252 36  
Net gains (losses) reclassified from accumulated other comprehensive income (loss) into earnings (5) 44  
Bank Deposits [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 1,252   1,046
Gross Unrealized Gains 1   1
Gross Unrealized Losses     (1)
Fair Value 1,253   1,046
Marketable Equity Securities [Member]
     
Available-For-Sale Investments [Abstract]      
Gross Unrealized Gains 613   385
Gross Unrealized Losses (2)   (12)
Corporate Bonds [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 746   892
Gross Unrealized Gains 13   14
Gross Unrealized Losses (4)   (9)
Fair Value 755   897
Asset-Backed Securities [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 18   48
Gross Unrealized Losses (3)   (12)
Fair Value 15   36
Government Bonds [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 3,510   4,131
Gross Unrealized Gains 1    
Gross Unrealized Losses (2)   (4)
Fair Value 3,509   4,127
Commercial Paper [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 3,162   3,820
Gross Unrealized Losses (1)   (3)
Fair Value 3,161   3,817
Money Market Fund Deposits [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 471   546
Fair Value $ 471   $ 546