Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 2) - Components of Net Periodic Pension Cost

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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 2) - Components of Net Periodic Pension Cost - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Pension Plan      
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Recognized net actuarial loss $ (62) $ (77) $ (44)
Incurred actuarial loss (gain) 91 (40) 107
Foreign exchange translation adjustments (5) 30 (28)
Total recognized in other comprehensive loss (income) 24 (87) 35
Total recognized in net periodic pension cost and other comprehensive loss (income) 110 (5) 77
Other Postretirement Benefit Plan      
Components of Net Periodic Benefit Cost      
Interest cost 11 14 16
Recognized net actuarial loss 0 6 5
Net periodic pension cost 11 20 21
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Recognized net actuarial loss 0 (6) (6)
Incurred actuarial loss (gain) (51) (35) 9
Total recognized in other comprehensive loss (income) (51) (41) 3
Total recognized in net periodic pension cost and other comprehensive loss (income) (40) (21) 24
UNITED STATES      
Pension and other postretirement benefits      
Defined Benefit Plan, Accumulated Benefit Obligation 2,544 2,745  
Plans with accumulated benefit obligation in excess of plan assets:      
Accumulated benefit obligation 304 323  
Plans with projected benefit obligation in excess of plan assets:      
Projected benefit obligation 322 344  
UNITED STATES | Pension Plan      
Components of Net Periodic Benefit Cost      
Service cost 120 107 90
Interest cost 98 106 109
Expected return on plan assets (196) (204) (201)
Amortization of prior service credit 1 0 0
Recognized net actuarial loss 33 37 29
Net periodic pension cost 56 46 27
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Foreign exchange translation adjustments 0 0  
UNITED KINGDOM      
Pension and other postretirement benefits      
Defined Benefit Plan, Accumulated Benefit Obligation 1,473 1,569  
UNITED KINGDOM | Pension Plan      
Components of Net Periodic Benefit Cost      
Service cost 29 26 21
Interest cost 41 40 50
Expected return on plan assets (69) (70) (71)
Amortization of prior service credit 0 0 0
Recognized net actuarial loss 29 40 15
Net periodic pension cost 30 36 $ 15
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Foreign exchange translation adjustments $ 104 $ (174)