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Other Postretirement Benefits
9 Months Ended
Sep. 30, 2021
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 and nine months ended September 30, 2021 and 2020 were as follows:
 
For the Three Months Ended September 30,
  
          Con Edison          CECONY
(Millions of Dollars)2021202020212020
Service cost - including administrative expenses$2$5$1$4
Interest cost on projected other postretirement benefit obligation7968
Expected return on plan assets(17)(16)(14)(14)
Recognition of net actuarial loss4333
Recognition of prior service credit— (1)— — 
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST$(4)$— $(4)$1
Cost capitalized(3)(2)(3)(2)
Reconciliation to rate level726— 
Total credit recognized$— $— $(1)$(1)

For the Nine Months Ended September 30,
  
Con EdisonCECONY
(Millions of Dollars)2021202020212020
Service cost - including administrative expenses$15$16$11$12
Interest cost on projected other postretirement benefit obligation23281923
Expected return on plan assets(51)(49)(41)(41)
Recognition of net actuarial loss17341332
Recognition of prior service credit(2)(3)(1)(1)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST$2$26$1$25
Cost capitalized(9)(7)(7)(5)
Reconciliation to rate level7(19)2(24)
Total credit recognized$— $— $(4)$(4)

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

Contributions
During the first nine months of 2021, the Companies contributed $2 million (all of which was made by CECONY) to the other postretirement benefit plans. The Companies' policy is to fund the total periodic benefit cost of the plans to the extent tax deductible.