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Pension Benefits (Tables) | 9 Months Ended
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Sep. 30, 2019
Retirement Benefits [Abstract] |
Total Periodic Benefit Costs | The components of the Companies’ total periodic benefit cost 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 – including administrative expenses | $62 | $72 | $58 | $68
Interest cost on projected benefit obligation | 150 | 140 | 141 | 131
Expected return on plan assets | (247) | (258) | (234) | (245)
Recognition of net actuarial loss | 130 | 172 | 123 | 163
Recognition of prior service cost/(credit) | (4) | (4) | (5) | (5)
TOTAL PERIODIC BENEFIT COST | $91 | $122 | $83 | $112
Cost capitalized | (26) | (32) | (24) | (30)
Reconciliation to rate level | (5) | (22) | (4) | (24)
Total expense recognized | $60 | $68 | $55 | $58
| For the Nine Months Ended September 30,
| Con Edison | CECONY
(Millions of Dollars) | 2019 | 2018 | 2019 | 2018
Service cost – including administrative expenses | $187 | $218 | $175 | $204
Interest cost on projected benefit obligation | 451 | 420 | 423 | 394
Expected return on plan assets | (741) | (775) | (702) | (734)
Recognition of net actuarial loss | 389 | 516 | 369 | 488
Recognition of prior service cost/(credit) | (13) | (13) | (15) | (15)
TOTAL PERIODIC BENEFIT COST | $273 | $366 | $250 | $337
Cost capitalized | (80) | (94) | (76) | (89)
Reconciliation to rate level | (12) | (68) | (10) | (74)
Total expense recognized | $181 | $204 | $164 | $174
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)

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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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