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Regulatory Matters - Narrative (Details) customers in Thousands, $ in Billions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) | Oct. 31, 2024 customers | Sep. 30, 2024 customers | Aug. 31, 2024 customers
Hurricanes Helene, Debby and Milton |  |  |  |
Regulatory Matters [Line Items] |  |  |  |
Estimated storm restoration costs | $ | $ 2.6 |  |  |
Hurricane Debby |  |  |  |
Regulatory Matters [Line Items] |  |  |  |
Number of customers impacted |  |  |  | 700
Hurricane Helene |  |  |  |
Regulatory Matters [Line Items] |  |  |  |
Number of customers impacted |  |  | 3,500 |
Hurricane Milton | Duke Energy Florida |  |  |  |
Regulatory Matters [Line Items] |  |  |  |
Number of customers impacted |  | 1,000 |  |

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