Quarterly report pursuant to Section 13 or 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS (Details)

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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jul. 01, 2018
Jun. 30, 2019
Jul. 01, 2018
Jul. 01, 2019
Pension Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 44 $ 9 $ 77 $ 18  
Pension Plan | Voluntary          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 36 4 62 7  
Pension Plan | Mandatory          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 8 5 15 11  
Other Postretirement Benefits Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 1 (2) 15 5  
Components of Net Periodic Benefit Cost          
Service cost 0 0 0 0  
Interest cost 3 3 5 5  
Expected return on plan assets 0 0 0 0  
Amortization of prior service cost 0 0 0 0  
Recognized net actuarial loss 0 0 0 0  
Net periodic benefit cost 3 3 5 5  
Defined contribution pension plan          
Pension and other postretirement benefits          
Defined contribution pension plans 18 21 57 61  
Estimate | Pension Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year         $ 46
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year         123
Net periodic pension cost         64
Estimate | Pension Plan | Voluntary          
Pension and other postretirement benefits          
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year         $ 91
United States | Pension Plan          
Components of Net Periodic Benefit Cost          
Service cost 29 30 58 60  
Interest cost 27 24 54 49  
Expected return on plan assets (48) (49) (95) (98)  
Amortization of prior service cost 1 0 1 0  
Recognized net actuarial loss 4 9 8 17  
Net periodic benefit cost 13 14 26 28  
UNITED KINGDOM | Pension Plan          
Components of Net Periodic Benefit Cost          
Service cost 6 7 13 15  
Interest cost 11 10 22 21  
Expected return on plan assets (18) (18) (36) (36)  
Amortization of prior service cost 1 0 1 0  
Recognized net actuarial loss 3 8 6 15  
Net periodic benefit cost $ 3 $ 7 $ 6 $ 15