v3.25.2
Variable Interest Entities (Schedule of Consolidated VIEs) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Variable Interest Entities [Line Items]    
Regulatory Assets: Current $ 2,269 $ 2,756
Current Assets: Other 1,001 695
Other Noncurrent Assets: Regulatory assets 14,172 14,254
Other Noncurrent Assets: Other 3,792 3,509
Current Liabilities: Other 1,887 2,084
Current maturities of long-term debt 5,046 4,349
Long-Term Debt 78,914 76,340
Inventory 4,434 4,509
Accounts payable 4,373 5,479
Duke Energy Carolinas    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 656 685
Current Assets: Other 354 52
Other Noncurrent Assets: Regulatory assets 3,985 4,199
Other Noncurrent Assets: Other 1,198 1,127
Current Liabilities: Other 477 541
Current maturities of long-term debt 23 521
Long-Term Debt 18,022 16,669
Inventory 1,524 1,536
Accounts payable 1,347 1,809
Duke Energy Progress    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 614 626
Current Assets: Other 159 104
Other Noncurrent Assets: Regulatory assets 4,654 4,555
Other Noncurrent Assets: Other 770 724
Current Liabilities: Other 310 427
Current maturities of long-term debt 582 983
Long-Term Debt 13,483 11,371
Inventory 1,323 1,341
Accounts payable 581 749
Duke Energy Florida    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 562 1,022
Current Assets: Other 85 227
Other Noncurrent Assets: Regulatory assets 2,105 2,064
Other Noncurrent Assets: Other 491 465
Current Liabilities: Other 352 342
Current maturities of long-term debt 1,235 534
Long-Term Debt 9,785 9,814
Inventory 767 745
Accounts payable 977 1,418
DEFPF | Duke Energy Florida | VIE primary beneficiary    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 61 61
Current Assets: Other 28 35
Other Noncurrent Assets: Regulatory assets 715 741
Other Noncurrent Assets: Other 7 0
Current Liabilities: Other 8 8
Current maturities of long-term debt 60 59
Long-Term Debt 741 773
DECNCSF | Duke Energy Carolinas | VIE primary beneficiary    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 12 12
Current Assets: Other 9 9
Other Noncurrent Assets: Regulatory assets 184 189
Other Noncurrent Assets: Other 1 1
Current Liabilities: Other 2 2
Current maturities of long-term debt 10 10
Long-Term Debt 193 198
DEPNCSF | Duke Energy Progress | VIE primary beneficiary    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 39 39
Current Assets: Other 29 27
Other Noncurrent Assets: Regulatory assets 600 620
Other Noncurrent Assets: Other 4 4
Current Liabilities: Other 8 10
Current maturities of long-term debt 35 34
Long-Term Debt 629 646
DEPSCSF | Duke Energy Progress | VIE primary beneficiary    
Variable Interest Entities [Line Items]    
Regulatory Assets: Current 8 8
Current Assets: Other 8 13
Other Noncurrent Assets: Regulatory assets 152 155
Other Noncurrent Assets: Other 1 1
Current Liabilities: Other 3 7
Current maturities of long-term debt 5 9
Long-Term Debt 160 163
DEF ProCo | Duke Energy Florida | VIE primary beneficiary    
Variable Interest Entities [Line Items]    
Inventory 548 494
Accounts payable $ 241 $ 208