XML 11 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Sep. 28, 2012
Dec. 30, 2011
Fair Value [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments $ 169 $ 643
Fair Value [Member] | Less than 1 year [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 35 523
Fair Value [Member] | 1 - 2 years [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 56 32
Fair Value [Member] | 2 - 5 years [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 58 73
Fair Value [Member] | Greater than 5 years [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 20 15
Fair Value [Member] | Certificates of Deposit [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 0 477
Fair Value [Member] | Corporate Bonds [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 123 98
Fair Value [Member] | U.S. Treasury Obligations [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 31 53
Fair Value [Member] | Auction Rate Securities [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 15 15
Fair Value [Member] | Level 2 [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 154 628
Long-term Debt Including Current Maturities 10,870 10,708
Fair Value [Member] | Level 2 [Member] | Certificates of Deposit [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 0 477
Fair Value [Member] | Level 2 [Member] | Corporate Bonds [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 123 98
Fair Value [Member] | Level 2 [Member] | U.S. Treasury Obligations [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 31 53
Fair Value [Member] | Level 3 [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 15 15
Fair Value [Member] | Level 3 [Member] | Auction Rate Securities [Member]
   
Fair Value, by Balance Sheet Grouping    
Investments 15 15
Carrying Value [Member]
   
Fair Value, by Balance Sheet Grouping    
Amortized cost basis of investments 168 643
Carrying Value [Member] | Level 2 [Member]
   
Fair Value, by Balance Sheet Grouping    
Long-term Debt Including Current Maturities $ 9,063 $ 9,241