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STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY Part 3 OCI (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Other Comprehensive Income (Loss), before Tax [Abstract]      
Change in cumulative translation adjustment, before tax $ 7 $ 106  
Amortization of unrecognized prior service credits included in net periodic costs, before tax [1] (11) (11)  
Unrealized gain (loss), before tax [2] (34) (30)  
Reclassification adjustment for (gain) loss included in net income, before tax [2] (6) 7  
Total other comprehensive income (loss), before tax (44) 72  
Other Comprehensive Income (Loss), Net of Tax [Abstract]      
Change in cumulative translation adjustment 7 106 $ (97)
Amortization of unrecognized prior service credits included in net periodic costs [1] (7) (7)  
Unrealized gain (loss) [2] (21) (18)  
Reclassification adjustment for (gains) losses included in net income, net [2] (4) 4  
Total other comprehensive income (loss), net of tax $ (25) $ 85 $ 109
[1] Included in the calculation of net periodic benefit costs for pension and other postretirement benefit plans. See Note 7, "Retirement Plans".
[2] For additional information regarding the impact of reclassifications into earnings, see Note 6, "Derivative and Non-Derivative Financial Instruments".