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v3.25.2

Debt and Credit Facilities (Summary of Current Maturities of Long-term Debt) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 5,046 | $ 4,349
Other debt securities |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 253 |
Duke Energy (Parent) | Debt Maturing September 2025 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 0.90% |
Current maturities of long-term debt | $ 650 |
Duke Energy (Parent) | Debt Maturing December 2025 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.00% |
Current maturities of long-term debt | $ 500 |
Duke Energy (Parent) | Debt Maturing April 2026 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.125% |
Current maturities of long-term debt | $ 1,725 |
Duke Energy Ohio |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 140 | 245
Duke Energy Ohio | Debt Maturing October 2025 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.23% |
Current maturities of long-term debt | $ 95 |
Piedmont |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 205 | 205
Piedmont | Debt Maturing September 2025 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.60% |
Current maturities of long-term debt | $ 150 |
Duke Energy Florida |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 1,235 | 534
Duke Energy Florida | Debt Maturing October 2025 | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.071% |
Current maturities of long-term debt | $ 800 |
Duke Energy Florida | Debt Maturing October 2073 and April 2074 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Facility term (in years) | 12 months |
Duke Energy Florida | Debt Maturing October 2073 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.009% |
Current maturities of long-term debt | $ 200 |
Duke Energy Florida | Debt Maturing April 2074 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.009% |
Current maturities of long-term debt | $ 173 |
Duke Energy Progress |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 582 | $ 983
Duke Energy Progress | Debt Maturing August 2025 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.25% |
Current maturities of long-term debt | $ 500 |

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