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Other Postretirement Benefits | 9 Months Ended
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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) | 2021 | 2020 | 2021 | 2020
Service cost - including administrative expenses | $2 | $5 | $1 | $4
Interest cost on projected other postretirement benefit obligation | 7 | 9 | 6 | 8
Expected return on plan assets | (17) | (16) | (14) | (14)
Recognition of net actuarial loss | 4 | 3 | 3 | 3
Recognition of prior service credit | — |  | (1) | — |  | — |
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST | $(4) | $— |  | $(4) | $1
Cost capitalized | (3) | (2) | (3) | (2)
Reconciliation to rate level | 7 | 2 | 6 | — |
Total credit recognized | $— |  | $— |  | $(1) | $(1)
| For the Nine Months Ended September 30,
| Con Edison | CECONY
(Millions of Dollars) | 2021 | 2020 | 2021 | 2020
Service cost - including administrative expenses | $15 | $16 | $11 | $12
Interest cost on projected other postretirement benefit obligation | 23 | 28 | 19 | 23
Expected return on plan assets | (51) | (49) | (41) | (41)
Recognition of net actuarial loss | 17 | 34 | 13 | 32
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 level | 7 | (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.

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- Definition The entire disclosure for postemployment benefits, which may include supplemental unemployment benefits, obligations recognized for all types of benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Disclosure may also include discussion that an obligation for postemployment benefits is not accrued in accordance with regulation only because the amount cannot be reasonably estimated. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6410195&loc=d3e80090-111668 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 + Details
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