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Employee Benefits
3 Months Ended
Mar. 31, 2019
Retirement Benefits [Abstract]  
Employee Benefits
 Note 11      Employee Benefits

The components of net periodic benefit cost for the Company’s retirement plans were:

 

    Three Months Ended March 31  
    Pension Plans            Postretirement
Welfare Plan
 
(Dollars in Millions)       2019         2018                2019         2018  

Service cost

  $ 48     $ 52         $     $  

Interest cost

    62       56           1       1  

Expected return on plan assets

    (95     (95         (1     (1

Prior service cost (credit) amortization

                    (1     (1

Actuarial loss (gain) amortization

    24       37               (1     (2

Net periodic benefit cost (a)

  $ 39     $ 50             $ (2   $ (3

 

(a)

Service cost is included in employee benefits expense on the Consolidated Statement of Income. All other components are included in other noninterest expense on the Consolidated Statement of Income.