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EMPLOYEE BENEFIT PLANS
 9 Months Ended
Sep. 30, 2026
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)2026202520262025
Service cost$8 $7 $22 $21 
Pension expense included in Wages and benefits8 7 22 21 
Interest cost31 33 90 98 
Expected return on assets(38)(37)(113)(111)
Recognized actuarial loss— 3 2 9 
Pension expense included in Non-operating Expense$(7)$(1)$(21)$(4)