Registration of securities issued in business combination transactions

FAIR VALUE (Details)

v2.4.0.6
FAIR VALUE (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair values of financial instruments      
Available-for-sale equity securities - non-qualified employee benefit plan investments   $ 12 $ 11
Carrying Amount
     
Fair values of financial instruments      
Available-for-sale equity securities - non-qualified employee benefit plan investments 14 12 11
Long-term debt (including current portion) (3,680) (3,942) (4,146)
Carrying Amount | Cross Currency Interest Rate Contract
     
Fair values of financial instruments      
Derivative contracts - assets 29 27 19
Carrying Amount | Interest rate contract
     
Fair values of financial instruments      
Derivative contracts - liabilities (19) (17) (9)
Estimated Fair Value
     
Fair values of financial instruments      
Available-for-sale equity securities - non-qualified employee benefit plan investments 14 12 11
Long-term debt (including current portion) (3,941) (4,061) (4,371)
Estimated Fair Value | Cross Currency Interest Rate Contract
     
Fair values of financial instruments      
Derivative contracts - assets 29 27 19
Estimated Fair Value | Interest rate contract
     
Fair values of financial instruments      
Derivative contracts - liabilities $ (19) $ (17) $ (9)