v3.25.1
Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Schedule of Net Periodic Benefit (Income) Cost
Net periodic benefit cost (income) consisted of the following:
PensionPostretirement
For the Three Months Ended March 31,
 (in millions)2025202420252024
Service cost$9 $$3 $
Interest cost79 80 14 16 
Expected return on plan assets
(107)(116)(1)(1)
Amortization:
Net loss (gain)13 (3)(1)
Prior service cost (credit)1 (10)(10)
Net periodic benefit cost (income)$(5)$(19)$3 $