v3.26.3
EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Pension Benefits        
Defined Benefit Plan Disclosure        
Service cost $ 140 $ 95 $ 197 $ 125
Interest cost 202 208 607 623
Expected return on plan assets (289) (267) (866) (800)
Amortization of prior service credit 0 0 0 0
Recognized net actuarial loss 35 51 104 151
Net periodic cost 88 87 42 99
Other Postretirement and Postemployment Benefits        
Defined Benefit Plan Disclosure        
Service cost 36 33 109 99
Interest cost 43 45 128 135
Expected return on plan assets (1) 0 (2) (1)
Amortization of prior service credit (1) (1) (3) (3)
Recognized net actuarial loss 8 5 22 15
Net periodic cost $ 85 $ 82 $ 254 $ 245