Annual report pursuant to Section 13 and 15(d)

INVESTMENTS (Details)

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INVESTMENTS (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Trading Securities      
Trading securities, net unrealized losses $ (5) $ (3) $ (16)
Marketable securities 138 132  
Other assets 73 77  
Trading Securities $ 211 $ 209