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v3.23.3

Pension Benefits - Total Periodic Benefit Costs (Details) - Pension Benefits - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost – including administrative expenses | $ 40 | $ 72 | $ 122 | $ 215
Interest cost on projected benefit obligation | 162 | 126 | 486 | 379
Expected return on plan assets | (279) | (292) | (837) | (876)
Recognition of net actuarial loss/(gain) | (58) | 94 | (174) | 283
Recognition of prior service credit | (4) | (4) | (12) | (12)
TOTAL PERIODIC BENEFIT CREDIT | (139) | (4) | (415) | (11)
Cost capitalized | (19) | (32) | (61) | (100)
Reconciliation to rate level | 72 | 63 | 218 | 192
Total credit recognized | (86) | 27 | (258) | 81
CECONY | Subsidiaries |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost – including administrative expenses | 38 | 67 | 113 | 202
Interest cost on projected benefit obligation | 153 | 119 | 458 | 357
Expected return on plan assets | (265) | (277) | (795) | (832)
Recognition of net actuarial loss/(gain) | (55) | 89 | (164) | 268
Recognition of prior service credit | (5) | (5) | (15) | (15)
TOTAL PERIODIC BENEFIT CREDIT | (134) | (7) | (403) | (20)
Cost capitalized | (18) | (30) | (58) | (95)
Reconciliation to rate level | 66 | 59 | 202 | 182
Total credit recognized | $ (86) | $ 22 | $ (259) | $ 67

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