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Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Long-Term Debt | $ 67,061 | $ 60,448
Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 12,948 | 12,595
Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 10,568 | 9,543
Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Long-Term Debt | 9,381 | 8,406
CRC | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Facility size | 350 |
Long-Term Debt | 350 | 350
Restricted Receivables | 917 | 587
DERF | Duke Energy Carolinas | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Facility size | 500 |
Long-Term Debt | 471 | 475
Restricted Receivables | 928 | 844
DEPR | Duke Energy Progress | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Facility size | 400 |
Long-Term Debt | 400 | 350
Restricted Receivables | 793 | 574
DEFR | Duke Energy Florida | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Facility size | 250 |
Long-Term Debt | 250 | 250
Restricted Receivables | $ 490 | $ 427

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