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Other Postretirement Benefits
 9 Months Ended
Sep. 30, 2019
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, 2019 and 2018 were as follows:
 
 
For the Three Months Ended September 30,
  
          Con Edison
          CECONY
(Millions of Dollars)
2019
2018
2019

2018
Service cost
$4
$5
$3
$3
Interest cost on accumulated other postretirement benefit obligation
11
11
9
9
Expected return on plan assets
(16)
(18)
(14)
(16)
Recognition of net actuarial loss/(gain)
(2)
2
(2)
1
Recognition of prior service cost/(credit)
(1)
(2)
—

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


 
For the Nine Months Ended September 30,
 
          Con Edison
          CECONY
(Millions of Dollars)
2019
2018
2019
2018
Service cost
$13
$15
$9
$10
Interest cost on accumulated other postretirement benefit obligation
33
32
27
26
Expected return on plan assets
(49)
(55)
(41)
(47)
Recognition of net actuarial loss/(gain)
(6)
6
(7)
2
Recognition of prior service cost/(credit)
(2)
(5)
(1)
(2)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST/(CREDIT)
$(11)
$(7)
$(13)
$(11)
Cost capitalized
(6)
(6)
(4)
(4)
Reconciliation to rate level
10
6
6
7
Total expense/(credit) recognized
$(7)
$(7)
$(11)
$(8)


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

Contributions
During the first nine months of 2019, the Companies contributed $7 million (substantially 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.