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EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Pension Benefits    
Defined Benefit Plan Disclosure    
Service cost $ 4 $ 3
Interest cost 208 201
Expected return on plan assets (267) (263)
Amortization of prior service credit 0 0
Recognized net actuarial loss 50 62
Net periodic cost (5) 3
Other Postretirement and Postemployment Benefits    
Defined Benefit Plan Disclosure    
Service cost 33 23
Interest cost 45 45
Expected return on plan assets 0 (1)
Amortization of prior service credit (1) (1)
Recognized net actuarial loss 5 5
Net periodic cost $ 82 $ 71