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INTERIM FINANCIAL INFORMATION (UNAUDITED) (Details 2) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
INTERIM FINANCIAL INFORMATION (UNAUDITED)                  
Non cash impairment charges for other intangible assets, after tax       $ 27          
Non cash impairment charges for other intangible assets, pre-tax       42          
Gains from financial investments, after tax 2 3 2 3 1   10    
Gains from financial investments, pre-tax 3 5 3 4 2   16    
After-tax charge (income) from litigation settlements       2   75 (1)    
Income from litigation settlements, before tax       $ 3 $ 1 $ 75 $ (2) $ 77 $ 9