Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 2)

v2.4.0.6
Investments (Details 2) (USD $)
In Millions, unless otherwise specified
Mar. 30, 2012
Dec. 31, 2011
Available-for-sale securities, by type    
Available-for-sale Securities, Amortized Cost Basis $ 3,782 $ 1,166
Available-for-sale Securities Unrealized Gains, Gross 395 238
Available-for-sale Securities Unrealized Losses, Gross (46) (3)
Available-for-sale securities, estimated fair value, total 4,131 1,401
Equity Securities
   
Available-for-sale securities, by type    
Available-for-sale Securities, Amortized Cost Basis 939 834
Available-for-sale Securities Unrealized Gains, Gross 394 237
Available-for-sale Securities Unrealized Losses, Gross 0 0
Available-for-sale securities, estimated fair value, total 1,333 1,071
Debt Securities
   
Available-for-sale securities, by type    
Available-for-sale Securities, Amortized Cost Basis 2,843 332
Available-for-sale Securities Unrealized Gains, Gross 1 1
Available-for-sale Securities Unrealized Losses, Gross (46) (3)
Available-for-sale securities, estimated fair value, total $ 2,798 $ 330