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Variable Interest Entities (Consolidated VIEs) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | $ 3,648 | $ 3,485
Current Assets: Other | 431 | 973
Other Noncurrent Assets: Regulatory assets | 13,618 | 14,645
Other (including amounts related to VIEs) | 3,964 | 3,400
Current Liabilities: Other | 2,319 | 2,167
Current maturities of long-term debt | 2,800 | 3,878
Long-Term Debt | 72,452 | 65,873
Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 720 | 1,143
Current Assets: Other | 51 | 108
Other Noncurrent Assets: Regulatory assets | 1,883 | 2,422
Other (including amounts related to VIEs) | 429 | 372
Current Liabilities: Other | 350 | 363
Current maturities of long-term debt | 589 | 328
Long-Term Debt | 9,812 | 9,381
Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 1,564 | 1,095
Current Assets: Other | 31 | 216
Other Noncurrent Assets: Regulatory assets | 3,916 | 4,293
Other (including amounts related to VIEs) | 1,109 | 1,036
Current Liabilities: Other | 702 | 580
Current maturities of long-term debt | 19 | 1,018
Long-Term Debt | 15,693 | 12,948
Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 942 | 690
Current Assets: Other | 72 | 174
Other Noncurrent Assets: Regulatory assets | 4,546 | 4,724
Other (including amounts related to VIEs) | 682 | 650
Current Liabilities: Other | 481 | 384
Current maturities of long-term debt | 72 | 369
Long-Term Debt | 11,492 | 10,568
Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 110 | 106
Current Assets: Other | 90 | 116
Other Noncurrent Assets: Regulatory assets | 1,642 | 1,715
Other (including amounts related to VIEs) | 49 | 52
Current maturities of long-term debt | 428 | 350
Long-Term Debt | 3,000 | 3,108
Consolidated VIEs | Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 59 | 55
Current Assets: Other | 37 | 46
Other Noncurrent Assets: Regulatory assets | 803 | 826
Current maturities of long-term debt | 384 | 306
Long-Term Debt | 831 | 890
Consolidated VIEs | Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 12 | 12
Current Assets: Other | 9 | 8
Other Noncurrent Assets: Regulatory assets | 196 | 208
Current maturities of long-term debt | 10 | 10
Long-Term Debt | 708 | 689
Consolidated VIEs | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 39 | 39
Current Assets: Other | 31 | 42
Other Noncurrent Assets: Regulatory assets | 643 | 681
Current maturities of long-term debt | 34 | 34
Long-Term Debt | 1,079 | 1,114
Consolidated VIEs | DEFPF | Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Receivables of VIEs |  | 6
Regulatory Assets: Current | 59 | 55
Current Assets: Other | 37 | 41
Other Noncurrent Assets: Regulatory assets | 803 | 826
Current Liabilities: Other | 8 | 9
Current maturities of long-term debt | 59 | 56
Long-Term Debt | 831 | 890
Consolidated VIEs | DECNCSF | Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 12 | 12
Current Assets: Other | 9 | 8
Other Noncurrent Assets: Regulatory assets | 196 | 208
Other (including amounts related to VIEs) | 1 | 1
Current Liabilities: Other | 3 | 3
Current maturities of long-term debt | 10 | 10
Long-Term Debt | 208 | 219
Consolidated VIEs | DEPNCSF | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 39 | 39
Current Assets: Other | 31 | 29
Other Noncurrent Assets: Regulatory assets | 643 | 681
Other (including amounts related to VIEs) | 2 | 2
Current Liabilities: Other | 8 | 8
Current maturities of long-term debt | 34 | 34
Long-Term Debt | $ 680 | $ 714

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