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
Mar. 31, 2019
Apr. 01, 2018
Apr. 01, 2019
Pension Plan      
Pension and other postretirement benefits      
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 33 $ 9  
Pension Plan | Voluntary      
Pension and other postretirement benefits      
Defined Benefit Plan, Plan Assets, Contributions by Employer 26 3  
Pension Plan | Mandatory      
Pension and other postretirement benefits      
Defined Benefit Plan, Plan Assets, Contributions by Employer 7 6  
Other Postretirement Benefits Plan      
Pension and other postretirement benefits      
Defined Benefit Plan, Plan Assets, Contributions by Employer 14 7  
Components of Net Periodic Benefit Cost      
Service cost 0 0  
Interest cost 2 2  
Expected return on plan assets 0 0  
Recognized net actuarial loss 0 0  
Net periodic benefit cost 2 2  
Defined contribution pension plan      
Pension and other postretirement benefits      
Defined contribution pension plans 39 40  
Estimate | Pension Plan      
Pension and other postretirement benefits      
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year     $ 90
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  
Interest cost 27 25  
Expected return on plan assets (47) (49)  
Recognized net actuarial loss 4 8  
Net periodic benefit cost 13 14  
UNITED KINGDOM | Pension Plan      
Components of Net Periodic Benefit Cost      
Service cost 7 8  
Interest cost 11 11  
Expected return on plan assets (18) (18)  
Recognized net actuarial loss 3 7  
Net periodic benefit cost $ 3 $ 8