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Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Jan. 31, 2025 | Dec. 31, 2024 | Apr. 01, 2024 | Feb. 29, 2024
--- | --- | --- | --- | --- | ---
Variable Interest Entities [Line Items] |  |  |  |  |
Long-Term Debt | $ 79,700 |  | $ 76,340 |  |
Duke Energy Carolinas |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Long-Term Debt | 17,911 |  | 16,669 |  |
Duke Energy Progress |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Long-Term Debt | 13,489 |  | 11,371 |  |
Duke Energy Florida |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Long-Term Debt | 9,783 |  | 9,814 |  |
CRC | VIE primary beneficiary |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Accounts receivable from securitization |  |  |  |  | $ 682
DERF | Duke Energy Carolinas | VIE primary beneficiary |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Long-Term Debt | 0 |  | 500 |  |
Accounts receivable from securitization | 0 |  | 1,054 |  |
DEPR | Duke Energy Progress | VIE primary beneficiary |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Long-Term Debt | 0 |  | 400 |  |
Accounts receivable from securitization | $ 0 |  | $ 835 |  |
DEFR | Duke Energy Carolinas | VIE primary beneficiary |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Accounts receivable from securitization |  | $ 1,081 |  |  |
DEFR | Duke Energy Florida | VIE primary beneficiary |  |  |  |  |
Variable Interest Entities [Line Items] |  |  |  |  |
Accounts receivable from securitization |  |  |  | $ 459 |

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