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Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Long-Term Debt | $ 72,452 | $ 65,873
Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 15,693 | 12,948
Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 11,492 | 10,568
Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 9,812 | 9,381
Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 3,000 | 3,108
Consolidated VIEs | Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 708 | 689
Consolidated VIEs | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 1,079 | 1,114
Consolidated VIEs | Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 831 | 890
Consolidated VIEs | CRC |  |
Variable Interest Entity [Line Items] |  |
Credit facility amount | 350 |
Long-Term Debt | 312 | 350
Restricted receivables | 663 | 917
Consolidated VIEs | DERF | Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Credit facility amount | 500 |
Long-Term Debt | 500 | 471
Restricted receivables | 991 | 928
Consolidated VIEs | DEPR | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Credit facility amount | 400 |
Long-Term Debt | 400 | 400
Restricted receivables | 833 | 793
Consolidated VIEs | DEFR | Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Credit facility amount | 325 |
Long-Term Debt | 325 | 250
Restricted receivables | $ 532 | $ 490

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