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 9 Months Ended
Sep. 30, 2018
Oct. 01, 2017
Sep. 30, 2018
Oct. 01, 2017
Oct. 01, 2018
Pension Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 10 $ 41 $ 28 $ 125  
Pension Plan | Voluntary          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 4 41 11 125  
Pension Plan | Mandatory          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 6 0 17 0  
Other Postretirement Benefits Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 11 1 16 19  
Components of Net Periodic Benefit Cost          
Service cost 0 0 0 0  
Interest cost 3 3 8 10  
Expected return on plan assets 0 0 0 0  
Recognized net actuarial loss 0 2 0 5  
Net periodic benefit cost 3 5 8 15  
Defined contribution pension plan          
Pension and other postretirement benefits          
Defined contribution pension plans 21 19 82 67  
Estimate | Pension Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year         $ 10
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year         38
Defined Benefit Plan, Expected Amortization of Gain (Loss), Current (10Q) or Next (10K) Fiscal Year         86
Estimate | Pension Plan | Voluntary          
Pension and other postretirement benefits          
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year         $ 14
United States | Pension Plan          
Components of Net Periodic Benefit Cost          
Service cost 30 27 90 80  
Interest cost 25 26 74 79  
Expected return on plan assets (49) (50) (147) (153)  
Recognized net actuarial loss 8 10 25 28  
Net periodic benefit cost 14 13 42 34  
UNITED KINGDOM | Pension Plan          
Components of Net Periodic Benefit Cost          
Service cost 7 7 22 20  
Interest cost 10 10 31 30  
Expected return on plan assets (17) (18) (53) (52)  
Recognized net actuarial loss 7 10 22 30  
Net periodic benefit cost $ 7 $ 9 $ 22 $ 28