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SHARE-BASED AND OTHER COMPENSATION PLANS (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
SHARE-BASED AND OTHER COMPENSATION PLANS      
Share-based compensation expense - pre-tax $ 457 $ 286 $ (16)
Share-based compensation expense - after tax 297 186 (10)
Pre tax share-based compensation expense attributed to unsettled liability-classified awards $ 315    
Share price (in dollars per share) $ 51.05 $ 35.30 $ 23.20