v3.26.1
Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Net periodic benefit cost (income) consisted of the following:
PensionPostretirementPensionPostretirement
For the Six Months Ended June 30,For the Three Months Ended June 30,
 (in millions)20262025202620252026202520262025
Service cost$18 $18 $5 $$10 $$3 $
Interest cost145 159 25 28 73 80 12 14 
Expected return on plan assets
(198)(215)(2)(2)(99)(108)(1)(1)
Amortization:
Net loss (gain)48 25 (5)(6)24 12 (2)(3)
Prior service cost (credit)3 (20)(20)2 (10)(10)
Net periodic benefit cost (income)$16 $(11)$3 $$10 $(6)$2 $