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Pension Benefits (Tables) | 3 Months Ended
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Mar. 31, 2021
Retirement Benefits [Abstract] |
Total Periodic Benefit Costs | The components of the Companies’ total periodic benefit cost for the three months ended March 31, 2021 and 2020 were as follows:
| For the Three Months Ended March 31,
| Con Edison | CECONY
(Millions of Dollars) | 2021 | 2020 | 2021 | 2020
Service cost – including administrative expenses | $86 | $73 | $81 | $69
Interest cost on projected benefit obligation | 118 | 137 | 111 | 129
Expected return on plan assets | (276) | (258) | (262) | (245)
Recognition of net actuarial loss | 199 | 175 | 189 | 165
Recognition of prior service credit | (4) | (4) | (5) | (5)
TOTAL PERIODIC BENEFIT COST | $123 | $123 | $114 | $113
Cost capitalized | (39) | (31) | (37) | (29)
Reconciliation to rate level | (57) | (64) | (55) | (62)
Total expense recognized | $27 | $28 | $22 | $22
The components of the Companies’ total periodic other postretirement benefit cost/(credit) for the three months ended March 31, 2021 and 2020 were as follows:
| For the Three Months Ended March 31,
| Con Edison | CECONY
(Millions of Dollars) | 2021 | 2020 | 2021 | 2020
Service cost - including administrative expenses | $7 | $5 | $5 | $4
Interest cost on projected other postretirement benefit obligation | 8 | 9 | 7 | 8
Expected return on plan assets | (17) | (16) | (14) | (14)
Recognition of net actuarial loss | 6 | 27 | 5 | 27
Recognition of prior service credit | (1) | (1) | — |  | (1)
TOTAL PERIODIC OTHER POSTRETIREMENT BENEFIT COST | $3 | $24 | $3 | $24
Cost capitalized | (3) | (2) | (2) | (1)
Reconciliation to rate level | — |  | (22) | (2) | (24)
Total expense/(credit) recognized | $— |  | $— |  | $(1) | $(1)

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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