OTHER COMPREHENSIVE INCOME OTHER COMPREHENSIVE INCOME (Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [1]         $ (5,042) $ (4,646) $ (2,778) $ (2,759)
Other comprehensive income (loss), before reclassifications, net of tax [1] $ 89 $ 84 $ (389) $ 6        
Reclassification from accumulated other comprehensive income, current period, net of tax [1] 67 65 148 122        
Other comprehensive income (loss), net of tax [1] 156 149 (241) 128        
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest [1] 0 1 1 3        
Accumulated Other Comprehensive Income (Loss), Net of Tax (4,886) [1] (2,628) [1] (4,886) [1] (2,628) [1]   (4,646)    
Accumulated Defined Benefit Pension Plans Adjustment [Member]                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [1]         (3,056) (3,134) (2,153) (2,105)
Other comprehensive income (loss), before reclassifications, net of tax [1] (2) (3) (2) (103)        
Reclassification from accumulated other comprehensive income, current period, net of tax [1] 65 69 143 121        
Other comprehensive income (loss), net of tax [1] 63 66 141 18        
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest [1] 0 0 0 0        
Accumulated Other Comprehensive Income (Loss), Net of Tax [1] (2,993) (2,087) (2,993) (2,087)        
Accumulated Translation Adjustment [Member]                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [1]         (1,996) (1,513) (629) (649)
Other comprehensive income (loss), before reclassifications, net of tax [1] 91 75 (393) 93        
Reclassification from accumulated other comprehensive income, current period, net of tax [1] 0 0 0 0        
Other comprehensive income (loss), net of tax [1] 91 75 (393) 93        
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest [1] 0 1 1 3        
Accumulated Other Comprehensive Income (Loss), Net of Tax [1] (1,905) (553) (1,905) (553)        
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Accumulated Other Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [1]         $ 10 $ 1 $ 4 $ (5)
Other comprehensive income (loss), before reclassifications, net of tax [1] 0 12 6 16        
Reclassification from accumulated other comprehensive income, current period, net of tax [1] 2 (4) 5 1        
Other comprehensive income (loss), net of tax [1] 2 8 11 17        
Comprehensive (income) loss, net of tax, attributable to noncontrolling interest [1] 0 0 0 0        
Accumulated Other Comprehensive Income (Loss), Net of Tax [1] $ 12 $ 12 $ 12 $ 12        
[1] All amounts are net of tax. Amounts in parentheses indicate debits to AOCI.