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v3.24.2.u1

Debt and Credit Facilities (Summary of Current Maturities of Long-term Debt) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 2,340 | $ 2,800
Other debt securities |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 247 |
Duke Energy (Parent) | Debt Maturing April 2025, 3.364% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 3.364% |
Current maturities of long-term debt | $ 420 |
Duke Energy (Parent) | Debt Maturing April 2025, 3.950% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 3.95% |
Current maturities of long-term debt | $ 250 |
Duke Energy Ohio |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 150 | 0
Duke Energy Ohio | Debt Maturing June 2025, 6.900% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 6.90% |
Current maturities of long-term debt | $ 150 |
Duke Energy Carolinas |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 520 | 19
Duke Energy Carolinas | 6.177% Notes Due January 2025 | Secured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 6.177% |
Current maturities of long-term debt | $ 305 |
Duke Energy Carolinas | 5.973% Notes Due January 2025 | Secured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 5.973% |
Current maturities of long-term debt | $ 195 |
Duke Energy Progress |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 479 | 72
Duke Energy Progress | 6.199% Notes Due April 2025 | Secured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 6.199% |
Current maturities of long-term debt | $ 240 |
Duke Energy Progress | 6.177% Notes Due April 2025 | Secured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 6.177% |
Current maturities of long-term debt | $ 160 |
Duke Energy Florida |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 435 | $ 589
Duke Energy Florida | 4.998% Notes Due October 2073 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 4.998% |
Current maturities of long-term debt | $ 200 |
Duke Energy Florida | 4.970% Notes Due April 2074 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate (as a percent) | 4.97% |
Current maturities of long-term debt | $ 173 |
Duke Energy Florida | 4.998% Notes Due October 2073 And 4.970% Notes Due April 2074 | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Facility term (in years) | 12 months |

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