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Debt and Credit Facilities (Summary of Debt Issuances) (Details) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 | Jun. 30, 2024 | Apr. 30, 2024
Debt Instrument [Line Items] |  |  |
Debt issuances |  | $ 6,365,000,000 |
4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 4.85% |
Debt issuances |  | $ 600,000,000 |
4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 4.85% |
Debt issuances |  | $ 650,000,000 |
April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.648% |
Debt issuances |  | $ 815,000,000 | $ 815,000,000
June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.45% |
Debt issuances |  | $ 750,000,000 |
June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.80% |
Debt issuances |  | $ 750,000,000 |
June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.90% |
Debt issuances |  | $ 80,000,000 |
June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 6.00% |
Debt issuances |  | $ 95,000,000 |
June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 6.17% |
Debt issuances |  | $ 50,000,000 |
April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.404% |
Debt issuances |  | $ 177,000,000 |
4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 4.85% |
Debt issuances |  | $ 575,000,000 |
5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.40% |
Debt issuances |  | $ 425,000,000 |
5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.25% |
Debt issuances |  | $ 300,000,000 |
5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.10% |
Debt issuances |  | $ 500,000,000 |
5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 5.55% |
Debt issuances |  | $ 425,000,000 |
April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate (as a percent) |  | 4.97% |
Debt issuances |  | $ 173,000,000 |
Maturities Due March 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Repayments of debt | $ 1,000,000,000 |  |
Duke Energy (Parent) |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 3,565,000,000 |
Duke Energy (Parent) | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 600,000,000 |
Duke Energy (Parent) | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 650,000,000 |
Duke Energy (Parent) | April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 815,000,000 |
Duke Energy (Parent) | June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 750,000,000 |
Duke Energy (Parent) | June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 750,000,000 |
Duke Energy (Parent) | June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy (Parent) | April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 1,000,000,000 |
Duke Energy Carolinas | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 575,000,000 |
Duke Energy Carolinas | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 425,000,000 |
Duke Energy Carolinas | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Carolinas | April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 677,000,000 |
Duke Energy Progress | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 177,000,000 |
Duke Energy Progress | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 500,000,000 |
Duke Energy Progress | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Progress | April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 650,000,000 |
Duke Energy Ohio | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 80,000,000 |
Duke Energy Ohio | June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 95,000,000 |
Duke Energy Ohio | June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 50,000,000 |
Duke Energy Ohio | April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Ohio | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 425,000,000 |
Duke Energy Ohio | April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 300,000,000 |
Duke Energy Indiana | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 300,000,000 |
Duke Energy Indiana | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Indiana | April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 173,000,000 |
Duke Energy Florida | 4.85% January 2024 2024 Notes Due January 2027 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | 4.85% January 2024 2024 Notes Due January 2029 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | April 2024 5.648% Notes Due April 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | June 2024 5.450% Notes Due June 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | June 2024 5.800% Notes Due June 2054 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | June 2024 5.900% Notes Due June 2031 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | June 2024 6.000% Notes Due July 2034 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | June 2024 6.170% Notes Due July 2039 | Unsecured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | April 2024 5.404% Notes | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | 4.85% January 2024 Notes Due January 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | 5.40% January 2024 Notes Due January 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | 5.25% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | 5.10% March 2024 Notes Due March 2034 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | 5.55% March 2024 Notes Due March 2054 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | 0 |
Duke Energy Florida | April 2024 Notes Due April 2074 | First Mortgage Bonds |  |  |
Debt Instrument [Line Items] |  |  |
Debt issuances |  | $ 173,000,000 |

X
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