v3.26.1
Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2026
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Net periodic benefit cost (income) consisted of the following:
PensionPostretirement
For the Three Months Ended March 31,
 (in millions)2026202520262025
Service cost$8 $$2 $
Interest cost72 79 13 14 
Expected return on plan assets
(99)(107)(1)(1)
Amortization:
Net loss (gain)24 13 (3)(3)
Prior service cost (credit)
1 (10)(10)
Net periodic benefit cost (income)$6 $(5)$1 $