Quarterly report [Sections 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, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Oct. 01, 2025
Pension and other postretirement benefits          
Defined contribution pension plans $ 24 $ 27 $ 100 $ 101  
Pension Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 11 9 34 56  
Other Postretirement Benefits Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Plan Assets, Contributions by Employer 1 4 4 16  
Components of Net Periodic Benefit Cost          
Service cost 0 0 0 0  
Interest cost 2 2 5 5  
Expected return on plan assets 0 0 0 0  
Amortization of prior service cost 0 0 0 0  
Recognized net actuarial loss (gain) (1) (1) (4) (2)  
Net periodic benefit cost 1 1 1 3  
Estimate | Pension Plan          
Pension and other postretirement benefits          
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year         $ 10
Net periodic pension cost         $ 79
UNITED STATES | Pension Plan          
Components of Net Periodic Benefit Cost          
Service cost 34 35 100 106  
Interest cost 43 42 130 125  
Expected return on plan assets (67) (72) (201) (217)  
Amortization of prior service cost 0 0 1 1  
Recognized net actuarial loss (gain) 2 3 7 10  
Net periodic benefit cost 12 8 37 25  
UNITED KINGDOM | Pension Plan          
Components of Net Periodic Benefit Cost          
Service cost 4 4 11 13  
Interest cost 20 18 58 53  
Expected return on plan assets (23) (26) (68) (76)  
Amortization of prior service cost 0 1 1 1  
Recognized net actuarial loss (gain) 7 3 20 9  
Net periodic benefit cost $ 8 $ 0 $ 22 $ 0