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, 2019
Dec. 31, 2018
Dec. 31, 2017
Pension Plan      
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Amortization of prior service cost $ (3) $ 0 $ 0
Recognized net actuarial loss (28) (62) (77)
Incurred actuarial loss (gain) 101 91 (40)
Foreign exchange translation adjustments 4 (5) 30
Total recognized in other comprehensive loss (income) 74 24 (87)
Total recognized in net periodic pension cost and other comprehensive loss (income) 139 110 (5)
Other Postretirement Benefit Plan      
Components of Net Periodic Benefit Cost      
Interest cost 10 11 14
Recognized net actuarial loss 0 0 6
Net periodic pension cost 10 11 20
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Recognized net actuarial loss 0   (6)
Incurred actuarial loss (gain) (1) (51) (35)
Total recognized in other comprehensive loss (income) (1) (51) (41)
Total recognized in net periodic pension cost and other comprehensive loss (income) 9 (40) (21)
U.S. PENSION PLAN      
Pension and other postretirement benefits      
Defined Benefit Plan, Accumulated Benefit Obligation 2,894 2,544  
Plans with accumulated benefit obligation in excess of plan assets:      
ABO 379 304  
Plans with projected benefit obligation in excess of plan assets:      
PBO 401 322  
Components of Net Periodic Benefit Cost      
Service cost 116 120 107
Interest cost 108 98 106
Expected return on plan assets (189) (196) (204)
Amortization of prior service cost 1 1 0
Recognized net actuarial loss 17 33 37
Net periodic pension cost 53 56 46
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Foreign exchange translation adjustments 0 0  
U.K. PENSION PLAN      
Pension and other postretirement benefits      
Defined Benefit Plan, Accumulated Benefit Obligation 1,756 1,473  
Components of Net Periodic Benefit Cost      
Service cost 26 29 26
Interest cost 43 41 40
Expected return on plan assets (70) (69) (70)
Amortization of prior service cost 2 0 0
Recognized net actuarial loss 11 29 40
Net periodic pension cost 12 30 $ 36
Changes in benefit obligations and plan assets recognized in other comprehensive income      
Foreign exchange translation adjustments $ 69 $ (104)