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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 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 March 31,
Service cost(1)
$$$33 $23 
Interest cost208 201 45 45 
Expected return on plan assets(267)(263)— (1)
Amortization of prior service credit— — (1)(1)
Recognized net actuarial loss50 62 
Net periodic cost$(5)$$82 $71 
(1)Service cost relates to the market based cash balance plan. There is no service cost associated with traditional frozen defined benefit plans.