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Income Tax (Tables) | 6 Months Ended
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Jun. 30, 2023
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Reconciliation | Reconciliation of the difference between income tax expense and the amount computed by applying the prevailing statutory income tax rate to income before income taxes for the three months ended June 30, 2023 and 2022 is as follows:
| For the Three Months Ended June 30,
| Con Edison | CECONY
(% of Pre-tax income) | 2023 | 2022 | 2023 | 2022
STATUTORY TAX RATE |  |  |  |
Federal | 21 | % | 21 | % | 21 | % | 21 | %
Changes in computed taxes resulting from: |  |  |  |
State income tax, net of federal income tax benefit | 2 |  | 7 |  | 5 |  | 5 |
Amortization of excess deferred federal income taxes | (17) |  | (17) |  | (18) |  | (27) |
Cost of removal | 4 |  | 3 |  | 4 |  | 4 |
Other plant-related items | (1) |  | (1) |  | (1) |  | (2) |
Renewable energy credits | (1) |  | (4) |  | — |  | — |
Allowance for uncollectible accounts, net of COVID-19 assistance | — |  | (2) |  | — |  | (3) |
Injuries and damages reserve | 1 |  | — |  | 1 |  | 1 |
Reserve for uncertain tax positions | — |  | 2 |  | — |  | — |
Remeasurement of deferred income taxes | 4 |  | — |  | 4 |  | — |
Research and development credits | (1) |  | (3) |  | (1) |  | (4) |
Other | — |  | — |  | — |  | (1) |
Effective tax rate | 12 | % | 6 | % | 15 | % | (6) | %
Reconciliation of the difference between income tax expense and the amount computed by applying the prevailing statutory income tax rate to income before income taxes for the six months ended June 30, 2023 and 2022 is as follows:
| For the Six Months Ended June 30,
| Con Edison | CECONY
(% of Pre-tax income) | 2023 | 2022 | 2023 | 2022
STATUTORY TAX RATE |  |  |  |
Federal | 21 | % | 21 | % | 21 | % | 21 | %
Changes in computed taxes resulting from: |  |  |  |
State income tax, net of federal income tax benefit | 4 |  | 6 |  | 5 |  | 5 |
Taxes attributable to non-controlling interest | — |  | 1 |  | — |  | — |
Cost of removal | 1 |  | 1 |  | 2 |  | 2 |
Other plant-related items | — |  | (1) |  | (1) |  | (1) |
Renewable energy credits | — |  | (2) |  | — |  | — |
Amortization of excess deferred federal income taxes | (5) |  | (9) |  | (8) |  | (12) |
Reserve for uncertain tax positions | — |  | 1 |  | — |  | — |
Remeasurement of deferred income taxes | 1 |  | — |  | 1 |  | — |
Research and development credits | — |  | (1) |  | (1) |  | (1) |
Impacts from the sale of Clean Energy Businesses: |  |  |  |
Deferred unamortized ITC recognized on sale of subsidiary | (6) |  | — |  | — |  | — |
Gain on sale of subsidiary | (2) |  | — |  | — |  | — |
Effective tax rate | 14 | % | 17 | % | 19 | % | 14 | %

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 12 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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