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Benefit Plans
9 Months Ended
Sep. 30, 2022
Retirement Benefits [Abstract]  
Benefit Plans
The components of net periodic (benefit) cost for defined benefit pension plans are summarized in the following table:
Three Months Ended September 30,Nine Months Ended September 30,
(Dollars in millions)Income Statement Location2022202120222021
Service costPersonnel expense$139 $148 $418 $463 
Interest costOther expense87 80 263 239 
Estimated return on plan assetsOther expense(269)(250)(808)(748)
Amortization and otherOther expense10 27 26 
Net periodic (benefit) cost$(33)$(13)$(100)$(20)

Truist makes contributions to the qualified pension plans up to the maximum amount deductible for federal income tax purposes. Discretionary contributions totaling $351 million were made to the Truist pension plan during the nine months ended September 30, 2022.