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Regulatory Matters - CECONY, Q&R New York and RECO Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 2 Months Ended |
--- | --- | --- | ---
Oct. 31, 2025 | May 31, 2025 | Mar. 31, 2025 | Oct. 31, 2025 | Aug. 31, 2025
RECO | New Jersey Board of Public Utilities |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Defer incremental preparation costs |  |  |  |  | $ 5.0
Steam | CECONY |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  | $ 332.0 |  |  |
Electric | O&R |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | $ 17.7 |  |
Electric | O&R | Year 1 |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | (13.1) |  |
Electric | O&R | Year 2 |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | 24.8 |  |
Electric | O&R | Year 3 |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | 44.1 |  |
Electric | RECO | Subsequent Event |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount | $ 31.8 |  |  | $ 6.6 |
Common equity ratio (percent) | 50.04% |  |  |  |
Return on common equity (as a percent) | 10.30% |  |  |  |
Gas | O&R |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | 10.4 |  |
Gas | O&R | Year 1 |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | 3.6 |  |
Gas | O&R | Year 2 |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | 18.0 |  |
Gas | O&R | Year 3 |  |  |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |  |  |
Requested rate increase (decrease), amount |  |  | $ 16.5 |  |

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