DEBT (Debt Extinguishment)(Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Extinguishment of Debt [Line Items]        
Debt reductions [1] $ 1,172 $ 1,030 $ 1,389 $ 1,039
Pre-tax early debt extinguishment costs $ 207 $ 262 $ 208 $ 262
[1] Reductions related to notes with interest rates ranging from 4.70% to 9.38% with original maturities from 2018 to 2030 and from 5.00% to 9.38% with original maturities from 2018 to 2029 for the three months ended June 30, 2015 and 2014, respectively, and from 4.70% to 9.38% with original maturities from 2015 to 2030 and from 5.00% to 9.38% with original maturities from 2018 to 2029 for the six months ended June 30, 2015 and 2014, respectively.