Quarterly report pursuant to Section 13 or 15(d)

Cash and Investments, Available-for-Sale Investments (Detail)

v2.4.0.6
Cash and Investments, Available-for-Sale Investments (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Dec. 29, 2012
Available-For-Sale Investments [Abstract]      
Gross Unrealized Gains $ 1,354   $ 1,079
Gross Unrealized Losses (7)   (5)
Fair Value 9,410    
Adjusted Cost, Total 12,761   12,927
Fair Value, Total 14,108   14,001
Due in 1 year or less, Cost 7,678    
Due in 1-2 years, Cost 1,113    
Due in 2-5 years, Cost 182    
Instruments not due at a single maturity date, Cost 433    
Cost, Total 9,406    
Due in 1 year or less, Fair Value 7,680    
Due in 1-2 years, Fair Value 1,116    
Due in 2-5 years, Fair Value 182    
Instruments not due at a single maturity date, Fair Value 432    
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds 304 333  
Asset-Backed Securities [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 12   14
Gross Unrealized Gains 0   0
Gross Unrealized Losses (1)   (3)
Fair Value 11   11
Bank Deposits [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 1,860   1,417
Gross Unrealized Gains 1   1
Gross Unrealized Losses 0   0
Fair Value 1,861   1,418
Commercial Paper [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 4,025   4,184
Gross Unrealized Gains 1   1
Gross Unrealized Losses 0   0
Fair Value 4,026   4,185
Corporate Bonds [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 1,250   635
Gross Unrealized Gains 6   8
Gross Unrealized Losses (2)   (1)
Fair Value 1,254   642
Government Bonds [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 1,838   2,235
Gross Unrealized Gains 0   0
Gross Unrealized Losses (1)   0
Fair Value 1,837   2,235
Money Market Fund Deposits [Member]
     
Available-For-Sale Investments [Abstract]      
Adjusted Cost 421   1,086
Gross Unrealized Gains 0   0
Gross Unrealized Losses 0   0
Fair Value 421   1,086
Marketable Equity Securities [Member]
     
Available-For-Sale Investments [Abstract]      
Gross Unrealized Gains 1,346   1,069
Gross Unrealized Losses (3)   (1)
Adjusted Cost 3,355   3,356
Fair Value $ 4,698   $ 4,424