v3.26.3
PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Other Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0 $ 0 $ 0 $ 0
Interest cost 2 2 5 5
Expected return on plan assets 0 0 0 0
Amortization:        
Actuarial loss (1) 0 (3) 0
Prior service credit 0 (1) 0 (2)
Settlement and curtailment (gain) loss 0 0 0 0
Net periodic benefit cost (credit) 1 1 2 3
United States Pension Benefits | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 2 1
Interest cost 22 24 67 73
Expected return on plan assets (27) (30) (81) (89)
Amortization:        
Actuarial loss 12 10 36 30
Prior service credit 0 0 0 0
Settlement and curtailment (gain) loss 0 0 0 0
Net periodic benefit cost (credit) 7 4 23 15
Foreign Pension Benefits | Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 1 1
Interest cost 1 1 3 3
Expected return on plan assets 0 0 0 (1)
Amortization:        
Actuarial loss 0 0 1 1
Prior service credit 0 0 0 0
Settlement and curtailment (gain) loss 0 0 0 (2)
Net periodic benefit cost (credit) $ 1 $ 1 $ 5 $ 2