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Variable Interest Entities (Consolidated VIEs) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | $ 3,485 | $ 2,150
Current Assets: Other | 1,067 | 584
Other Assets, Noncurrent | 3,400 | 3,632
Other Noncurrent Assets: Regulatory assets | 14,645 | 12,487
Current Liabilities: Other | 2,167 | 2,423
Current maturities of long-term debt | 4,154 | 3,387
Long-Term Debt | 67,061 | 60,448
Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 1,143 | 497
Current Assets: Other | 108 | 80
Other Assets, Noncurrent | 372 | 399
Other Noncurrent Assets: Regulatory assets | 2,422 | 1,791
Current Liabilities: Other | 363 | 408
Current maturities of long-term debt | 328 | 76
Long-Term Debt | 9,381 | 8,406
Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 1,095 | 544
Current Assets: Other | 216 | 95
Other Assets, Noncurrent | 1,036 | 1,248
Other Noncurrent Assets: Regulatory assets | 4,293 | 2,935
Current Liabilities: Other | 580 | 546
Current maturities of long-term debt | 1,018 | 362
Long-Term Debt | 12,948 | 12,595
Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 690 | 533
Current Assets: Other | 174 | 83
Other Assets, Noncurrent | 650 | 792
Other Noncurrent Assets: Regulatory assets | 4,724 | 4,118
Current Liabilities: Other | 384 | 448
Current maturities of long-term debt | 369 | 556
Long-Term Debt | 10,568 | 9,543
DEFPF | Duke Energy Florida | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Receivables of VIEs | 6 | 5
Regulatory Assets: Current | 55 | 54
Current Assets: Other | 41 | 39
Other Noncurrent Assets: Regulatory assets | 826 | 883
Current Liabilities: Other | 9 | 9
Current maturities of long-term debt | 56 | 56
Long-Term Debt | 890 | 946
DECNCSF | Duke Energy Carolinas | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 12 | 12
Current Assets: Other | 8 |
Other Assets, Noncurrent | 1 | 1
Other Noncurrent Assets: Regulatory assets | 208 | 220
Current Liabilities: Other | 3 | 1
Current maturities of long-term debt | 10 | 5
Long-Term Debt | 219 | 228
DEPNCSF | Duke Energy Progress | Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 39 | 39
Current Assets: Other | 29 |
Other Assets, Noncurrent | 2 | 4
Other Noncurrent Assets: Regulatory assets | 681 | 720
Current Liabilities: Other | 8 | 2
Current maturities of long-term debt | 34 | 15
Long-Term Debt | $ 714 | $ 747

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