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Employee Benefit Plans
9 Months Ended
Sep. 30, 2020
Retirement Benefits [Abstract]  
Employee Benefit Plans [Text Block]
Note 9 – Employee Benefit Plans
Net periodic benefit cost (credit) is as follows:
Pension Benefits
Three Months Ended 
September 30,
Nine Months Ended 
September 30,
2020201920202019
(Millions)
Components of net periodic benefit cost (credit):
Service cost$$11 $23 $33 
Interest cost13 28 38 
Expected return on plan assets(13)(15)(40)(46)
Amortization of net actuarial loss16 11 
Net actuarial loss from settlements
Net periodic benefit cost (credit)$10 $13 $36 $37 
Other Postretirement Benefits
Three Months Ended 
September 30,
Nine Months Ended 
September 30,
2020201920202019
(Millions)
Components of net periodic benefit cost (credit):
Service cost$$$$
Interest cost
Expected return on plan assets(3)(3)(8)(8)
Reclassification to regulatory liability— — 
Net periodic benefit cost (credit)$— $— $(1)$— 
The components of Net periodic benefit cost (credit) other than the Service cost component are included in Other income (expense) – net below Operating income (loss) in the Consolidated Statement of Income.
During the nine months ended September 30, 2020, we contributed $12 million to our pension plans and $4 million to our other postretirement benefit plans. We presently anticipate making additional contributions of
approximately $2 million to our pension plans and approximately $1 million to our other postretirement benefit plans in the remainder of 2020.