Annual report pursuant to Section 13 and 15(d)

INVESTMENTS (Details 2)

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INVESTMENTS (Details 2) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Available-for-sale securities, by type    
Available-for-sale securities, cost $ 1,166 $ 223
Available-for-sale Securities, Gross Unrealized Gains 238 267
Available-for-sale Securities, Gross Unrealized Losses (3) (5)
Available-for-sale securities, estimated fair value, total 1,401 485
Equity securities
   
Available-for-sale securities, by type    
Available-for-sale securities, cost 834 209
Available-for-sale Securities, Gross Unrealized Gains 237 267
Available-for-sale Securities, Gross Unrealized Losses 0 (5)
Available-for-sale securities, estimated fair value, total 1,071 471
Other securities
   
Available-for-sale securities, by type    
Available-for-sale securities, cost 332 14
Available-for-sale Securities, Gross Unrealized Gains 1 0
Available-for-sale Securities, Gross Unrealized Losses (3) 0
Available-for-sale securities, estimated fair value, total $ 330 $ 14