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Pension and Other Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2025
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Components Of Net Periodic Benefit Costs
Net periodic pension cost included the following components:
Three Months Ended March 31
Qualified PlansNon-qualified PlansTotal
202520242025202420252024
(In millions)
Service cost$$$— $— $$
Interest cost20 2012121
Expected return on plan assets(31)(31)— (31)(31)
Amortization of actuarial loss516
Net periodic pension (benefit) cost$(1)$— $$$$