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v3.23.2

Debt and Credit Facilities (Summary of Current Maturities of Long-term Debt) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 4,609 | $ 3,878
Other debt securities |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 659 |
Duke Energy (Parent) | Debt Maturing October 2023, 3.950% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.95% |
Current maturities of long-term debt | $ 400 |
Duke Energy (Parent) | Debt Maturing October 2023, 5.645% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.645% |
Current maturities of long-term debt | $ 1,000 |
Duke Energy (Parent) | Debt Maturing March 2024, 5.385% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.75% |
Current maturities of long-term debt | $ 1,000 |
Duke Energy Ohio |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 475 | 475
Duke Energy Ohio | Debt Maturing October 2023, 4.879% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.546% |
Current maturities of long-term debt | $ 150 |
Duke Energy Ohio | Debt Maturing September 2023, 3.800% Coupon | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.80% |
Current maturities of long-term debt | $ 300 |
Duke Energy Carolinas |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | 18 | 1,018
Duke Energy Progress |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 370 | 369
Duke Energy Progress | Debt Maturing September 2023, 3.375% Coupon | First Mortgage Bonds |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.375% |
Current maturities of long-term debt | $ 300 |
Duke Energy Florida |  |
Debt Instrument [Line Items] |  |
Current maturities of long-term debt | $ 1,201 | $ 328
Duke Energy Florida | Debt Maturing April 2024, 5.921% Coupon | Unsecured Debt |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.921% |
Current maturities of long-term debt | $ 800 |

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