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v3.25.3

Income Taxes (Effective Tax Rates) (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 10.80% | 11.20% | 11.20% | 12.50%
Duke Energy Carolinas |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 6.90% | 7.70% | 7.80% | 9.80%
Progress Energy |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 15.90% | 16.10% | 15.90% | 16.40%
Duke Energy Progress |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 13.10% | 12.90% | 13.40% | 14.10%
Duke Energy Florida |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 19.50% | 20.50% | 19.40% | 19.90%
Duke Energy Ohio |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 14.30% | 11.90% | 16.30% | 15.80%
Duke Energy Indiana |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 12.60% | 15.70% | 12.80% | 16.30%
Piedmont |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Effective tax rate | 24.00% | 29.40% | 18.70% | 18.40%

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