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Pension and Other Postretirement Benefits (Tables)
6 Months Ended
Jun. 30, 2022
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Schedule of Net Periodic Pension Cost
Net periodic pension cost (credit) includes the following components:
Qualified PlansNon-qualified PlansTotal
Three Months Ended June 30
202220212022202120222021
(In millions)
Service cost$$10 $$$10 $12 
Interest cost14 12 — — 14 12 
Expected return on plan assets(35)(36)— — (35)(36)
Amortization of actuarial loss12 14 
Net periodic pension cost (credit)$(5)$(2)$$$(3)$
Qualified PlansNon-qualified PlansTotal
Six Months Ended June 30
202220212022202120222021
(In millions)
Service cost$18 $19 $$$19 $22 
Interest cost28 24 29 25 
Expected return on plan assets(70)(71)— — (70)(71)
Amortization of actuarial loss13 23 16 27 
Net periodic pension cost (credit)$(11)$(5)$$$(6)$