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Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) - USD ($) | Mar. 31, 2024 | Feb. 29, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Variable Interest Entities [Line Items] |  |  |
Long-Term Debt | $ 74,979,000,000 |  | $ 72,452,000,000
Duke Energy Carolinas |  |  |
Variable Interest Entities [Line Items] |  |  |
Long-Term Debt | 16,199,000,000 |  | 15,693,000,000
Duke Energy Progress |  |  |
Variable Interest Entities [Line Items] |  |  |
Long-Term Debt | 11,955,000,000 |  | 11,492,000,000
Duke Energy Florida |  |  |
Variable Interest Entities [Line Items] |  |  |
Long-Term Debt | 9,791,000,000 |  | 9,812,000,000
CRC | VIE primary beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Long-Term Debt | 0 |  | 312,000,000
Accounts receivable from securitization | 0 | $ 682,000,000 | 663,000,000
DERF | Duke Energy Carolinas | VIE primary beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Facility size | 500,000,000 |  |
Long-Term Debt | 500,000,000 |  | 500,000,000
Accounts receivable from securitization | 997,000,000 |  | 991,000,000
DEPR | Duke Energy Progress | VIE primary beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Facility size | 400,000,000 |  |
Long-Term Debt | 400,000,000 |  | 400,000,000
Accounts receivable from securitization | 789,000,000 |  | 833,000,000
DEFR | Duke Energy Florida | VIE primary beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Long-Term Debt | 325,000,000 |  | 325,000,000
Accounts receivable from securitization | $ 467,000,000 |  | $ 532,000,000

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