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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Net Periodic Cost
Employee benefit plans net periodic cost
Pension BenefitsOther Postretirement and Postemployment Benefits
(in millions)2025202420252024
Three Months Ended June 30,
Service cost(1)
$26 $25 $33 $23 
Interest cost208 201 45 45 
Expected return on plan assets(267)(263)— (1)
Amortization of prior service credit— — (1)(1)
Recognized net actuarial loss50 62 
Net periodic cost$17 $25 $82 $71 
Six Months Ended June 30,
Service cost(1)
$29 $28 $66 $46 
Interest cost416 402 90 91 
Expected return on plan assets(534)(526)(1)(1)
Amortization of prior service credit— — (2)(2)
Recognized net actuarial loss101 124 10 
Net periodic cost$12 $28 $163 $143 
(1)Service cost relates to the market based cash balance plan. There is no service cost associated with traditional frozen defined benefit plans.