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PENSION AND POSTRETIREMENT BENEFIT PLANS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 3 Months Ended 3 Months Ended
Mar. 31, 2013
Pension Benefits [Member]
Mar. 31, 2012
Pension Benefits [Member]
Mar. 31, 2013
Other Benefits [Member]
Mar. 31, 2012
Other Benefits [Member]
Mar. 31, 2013
United States Pension Plans [Member]
Dec. 31, 2013
United States Pension Plans [Member]
Mar. 31, 2013
International Pension Plans [Member]
Dec. 31, 2013
International Pension Plans [Member]
Mar. 31, 2013
United States Defined Contribution Plans [Member]
Mar. 31, 2012
United States Defined Contribution Plans [Member]
Service cost - benefits earned during the period $ 10 $ 10 $ 1 $ 2            
Interest cost on projected benefit obligation 74 79 3 6            
Expected return on plan assets (132) (126) (6) (6)            
Amortization of prior service cost/(benefit) (1)     (1)            
Amortization of net actuarial loss 38 33   3            
Net periodic (benefit)/cost (11) (4) (2) 4            
Expected contributions to pension plans           185        
Contributions to pension plan         155   38      
Expected pension plan contributions range, minimum               60    
Expected pension plan contributions range, maximum               70    
Defined contribution plan expense                 $ 47 $ 48