XML 31 R20.htm IDEA: XBRL DOCUMENT v3.24.1.u1
EMPLOYEE BENEFIT PLANS (Tables)
 3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Net periodic benefit costs for qualified defined-benefit plans include the following (in millions):
Three Months Ended March 31,
 20242023
Service cost$7 $7 
Pension expense included in Wages and benefits7 7 
Interest cost27 27 
Expected return on assets(32)(28)
Recognized actuarial loss5 6 
Pension expense included in Non-operating Income (Expense)$— $5