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Variable Interest Entities (Consolidated VIEs) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | $ 2,756 | $ 3,648
Current Assets: Other | 695 | 431
Other Noncurrent Assets: Regulatory assets | 14,254 | 13,618
Other (including amounts related to VIEs) | 3,509 | 3,964
Current Liabilities: Other | 2,084 | 2,319
Current maturities of long-term debt | 4,349 | 2,800
Long-Term Debt | 76,340 | 72,452
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs) | 4,509 | 4,292
Accounts payable | 5,479 | 4,228
Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 1,022 | 720
Current Assets: Other | 227 | 51
Other Noncurrent Assets: Regulatory assets | 2,064 | 1,883
Other (including amounts related to VIEs) | 465 | 429
Current Liabilities: Other | 342 | 350
Current maturities of long-term debt | 534 | 589
Long-Term Debt | 9,814 | 9,812
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs) | 745 | 674
Accounts payable | 1,418 | 738
Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 685 | 1,564
Current Assets: Other | 52 | 31
Other Noncurrent Assets: Regulatory assets | 4,199 | 3,916
Other (including amounts related to VIEs) | 1,127 | 1,109
Current Liabilities: Other | 541 | 702
Current maturities of long-term debt | 521 | 19
Long-Term Debt | 16,669 | 15,693
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs) | 1,536 | 1,484
Accounts payable | 1,809 | 1,183
Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 626 | 942
Current Assets: Other | 104 | 72
Other Noncurrent Assets: Regulatory assets | 4,555 | 4,546
Other (including amounts related to VIEs) | 724 | 682
Current Liabilities: Other | 427 | 481
Current maturities of long-term debt | 983 | 72
Long-Term Debt | 11,371 | 11,492
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs) | 1,341 | 1,227
Accounts payable | 749 | 634
Consolidated VIEs |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 120 | 110
Current Assets: Other | 90 |
Other Noncurrent Assets: Regulatory assets | 1,705 | 1,642
Current maturities of long-term debt | 1,012 | 428
Long-Term Debt | 1,842 | 3,000
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs) | 494 | 462
Accounts payable | 214 | 188
Consolidated VIEs | Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 61 | 59
Current Assets: Other | 35 | 37
Other Noncurrent Assets: Regulatory assets | 741 | 803
Current maturities of long-term debt | 59 | 384
Long-Term Debt | 773 | 831
Inventory (includes $494 at 2024 and $462 at 2023 related to VIEs) | 494 | 462
Accounts payable | 208 | 188
Consolidated VIEs | Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 12 | 12
Current Assets: Other | 9 | 9
Other Noncurrent Assets: Regulatory assets | 189 | 196
Current maturities of long-term debt | 510 | 510
Long-Term Debt | 198 | 708
Consolidated VIEs | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 47 | 39
Current Assets: Other | 40 | 31
Other Noncurrent Assets: Regulatory assets | 775 | 643
Current maturities of long-term debt | 443 | 34
Long-Term Debt | 809 | 1,079
Consolidated VIEs | DEFPF | Duke Energy Florida |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 61 | 59
Current Assets: Other | 35 | 37
Other Noncurrent Assets: Regulatory assets | 741 | 803
Current Liabilities: Other | 8 | 8
Current maturities of long-term debt | 59 | 59
Long-Term Debt | 773 | 831
Consolidated VIEs | DECNCSF | Duke Energy Carolinas |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 12 | 12
Current Assets: Other | 9 | 9
Other Noncurrent Assets: Regulatory assets | 189 | 196
Other (including amounts related to VIEs) | 1 | 1
Current Liabilities: Other | 2 | 3
Current maturities of long-term debt | 10 | 10
Long-Term Debt | 198 | 208
Consolidated VIEs | DEPNCSF | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current | 39 | 39
Current Assets: Other | 27 | 31
Other Noncurrent Assets: Regulatory assets | 620 | 643
Other (including amounts related to VIEs) | 4 | 2
Current Liabilities: Other | 10 | 8
Current maturities of long-term debt | 34 | 34
Long-Term Debt | $ 646 | 680
Consolidated VIEs | DEPSCSF | Duke Energy Progress |  |
Variable Interest Entity [Line Items] |  |
Regulatory Assets: Current |  | 8
Current Assets: Other |  | 13
Other Noncurrent Assets: Regulatory assets |  | 155
Other (including amounts related to VIEs) |  | 1
Current Liabilities: Other |  | 7
Current maturities of long-term debt |  | 9
Long-Term Debt |  | $ 163

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