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PENSION AND POSTRETIREMENT BENEFIT PLANS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2012
Pension Benefits [Member]
Jun. 30, 2011
Pension Benefits [Member]
Jun. 30, 2012
Pension Benefits [Member]
Jun. 30, 2011
Pension Benefits [Member]
Jun. 30, 2012
Other Benefits [Member]
Jun. 30, 2011
Other Benefits [Member]
Jun. 30, 2012
Other Benefits [Member]
Jun. 30, 2011
Other Benefits [Member]
Jun. 30, 2012
United States Pension Plans [Member]
Dec. 31, 2012
United States Pension Plans [Member]
Jun. 30, 2012
International Pension Plans [Member]
Dec. 31, 2012
International Pension Plans [Member]
Jun. 30, 2012
United States Defined Contribution Plans [Member]
Jun. 30, 2011
United States Defined Contribution Plans [Member]
Jun. 30, 2012
United States Defined Contribution Plans [Member]
Jun. 30, 2011
United States Defined Contribution Plans [Member]
Service cost - benefits earned during the period $ 7 $ 11 $ 17 $ 21 $ 2 $ 2 $ 4 $ 4                
Interest cost on projected benefit obligation 79 86 158 170 5 6 11 13                
Expected return on plan assets (126) (118) (252) (233) (6) (6) (13) (13)                
Amortization of prior service cost/(benefit) (1)   (1)       (1) (1)                
Amortization of net actuarial loss 32 29 65 57 2 1 6 3                
Curtailments       (1)                        
Settlements       (2)                        
Net periodic benefit cost (9) 8 (13) 12 3 3 7 6                
Expected contributions to pension plans                   340            
Contributions to pension plan                 319   40          
Expected pension plan contributions range, minimum                       75        
Expected pension plan contributions range, maximum                       90        
Defined contribution plan expense                         $ 48 $ 47 $ 96 $ 86