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EMPLOYEE BENEFIT PLANS
 9 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
EMPLOYEE BENEFIT PLANS EMPLOYEE BENEFIT PLANS
Net periodic benefit costs for qualified pension plans include the following:
Three Months Ended September 30,Nine Months Ended September 30,
(in millions)2025202420252024
Service cost$7 $7 $21 $21 
Pension expense included in Wages and benefits7 7 21 21 
Interest cost33 28 98 82 
Expected return on assets(37)(33)(111)(97)
Recognized actuarial loss3 4 9 13 
Pension expense included in Non-operating Expense$(1)$(1)$(4)$(2)