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INCOME TAXES (Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Schedule of Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties [Line Items]    
Beginning balance, unrecognized tax benefits   $ (161)
Activity for three months, unrecognized tax benefits 0 5
Ending balance, unrecognized tax benefits (156)  
Beginning balance, accrued estimated interest and tax penalties   (54)
Activity for three months, accrued estimated interest and tax penalties 2 9
Ending balance, accrued estimated interest and tax penalties $ (43)