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Other Postretirement Benefits
 3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Other Postretirement Benefits Other Postretirement Benefits
Total Periodic Benefit Cost
The components of the Companies’ total periodic other postretirement benefit cost/(credit) for the three months ended March 31, 2020 and 2019 were as follows:
 
 
For the Three Months Ended March 31,
  
          Con Edison
          CECONY
(Millions of Dollars)
2020

2019
2020
2019

Service cost
$5
$4
$4
$3
Interest cost on accumulated other postretirement benefit obligation
9
11
8
9
Expected return on plan assets
(16)
(16)
(14)
(14)
Recognition of net actuarial loss/(gain)
27
(2)
27
(2)
Recognition of prior service credit
(1)
(1)
(1)
—

TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST/(CREDIT)
$24
$(4)
$24
$(4)
Cost capitalized
(2)
(2)
(1)
(2)
Reconciliation to rate level
(22)
3
(24)
2
Total credit recognized

$—

$(3)
$(1)
$(4)


For information about the presentation of the components of other postretirement benefit costs, see Note E.

Expected Contributions
Based on estimates as of March 31, 2020, Con Edison and CECONY expect to make a contribution of $3 million (all of which is to be made by CECONY) to the other postretirement benefit plans in 2020. The Companies' policy is to fund the total periodic benefit cost of the plans to the extent tax deductible.