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Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 11 years | 13 years
Land | $ 2,667 | $ 2,503
Other buildings and improvements | 6,429 | 6,844
Equipment | 4,193 | 3,850
Construction in process | 10,075 | 7,756
Total property, plant and equipment | 190,409 | 178,737
Total net property, plant and equipment | $ 129,959 | $ 121,626
Other, estimated useful life, in years | 11 years | 10 years
Finance leases, gross | $ 682 | $ 670
Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 3,683 | 3,518
Accumulated depreciation and amortization | (1,886) | (1,824)
Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | $ (59,441) | $ (55,143)
Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 38 years | 37 years
Plant - transmission and distribution | $ 145,947 | $ 137,836
Regulated | Natural gas transmission and distribution |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 58 years | 57 years
Plant - transmission and distribution | $ 14,201 | $ 13,482
Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 40 years | 41 years
Other buildings and improvements | $ 3,214 | $ 2,948
Nonregulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (1,009) | (1,968)
Accumulated amortization of finance leases | (35) | (25)
Duke Energy Carolinas |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 644 | 617
Other buildings and improvements | 1,362 | 1,227
Equipment | 1,132 | 997
Construction in process | 3,708 | 2,735
Total property, plant and equipment | 62,513 | 58,382
Total net property, plant and equipment | 41,855 | 39,292
Finance leases, gross | 349 | 336
Accumulated amortization of finance leases | (98) | (84)
Duke Energy Carolinas | Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 2,128 | 2,003
Accumulated depreciation and amortization | (1,064) | (1,010)
Duke Energy Carolinas | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (20,658) | (19,090)
Duke Energy Carolinas | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 52,259 | 49,547
Duke Energy Carolinas | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 1,280 | 1,256
Progress Energy |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 1,226 | 1,134
Other buildings and improvements | 2,115 | 1,953
Equipment | 1,456 | 1,252
Construction in process | 4,390 | 3,657
Total property, plant and equipment | 78,347 | 72,560
Total net property, plant and equipment | 52,922 | 48,974
Finance leases, gross | 605 | 620
Accumulated amortization of finance leases | (208) | (159)
Progress Energy | Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 1,555 | 1,515
Accumulated depreciation and amortization | (822) | (814)
Progress Energy | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (25,425) | (23,586)
Progress Energy | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 66,751 | 62,351
Progress Energy | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 854 | 698
Duke Energy Progress |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 557 | 535
Other buildings and improvements | 1,466 | 1,349
Equipment | 852 | 753
Construction in process | 2,761 | 1,884
Total property, plant and equipment | 45,175 | 42,060
Total net property, plant and equipment | 28,195 | 26,130
Finance leases, gross | 478 | 512
Accumulated amortization of finance leases | (203) | (159)
Duke Energy Progress | Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 1,555 | 1,515
Accumulated depreciation and amortization | (822) | (814)
Duke Energy Progress | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (16,980) | (15,930)
Duke Energy Progress | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 37,561 | 35,633
Duke Energy Progress | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 423 | 391
Duke Energy Florida |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 669 | 599
Other buildings and improvements | 637 | 594
Equipment | 604 | 499
Construction in process | 1,629 | 1,773
Total property, plant and equipment | 33,160 | 30,490
Total net property, plant and equipment | 24,723 | 22,840
Finance leases, gross | 127 | 108
Accumulated amortization of finance leases | (5) |
Duke Energy Florida | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (8,437) | (7,650)
Duke Energy Florida | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 29,190 | 26,718
Duke Energy Florida | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 431 | 307
Duke Energy Ohio |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 289 | 258
Other buildings and improvements | 478 | 426
Equipment | 555 | 542
Construction in process | 394 | 385
Total property, plant and equipment | 14,627 | 13,918
Total net property, plant and equipment | 10,815 | 10,244
Duke Energy Ohio | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (3,812) | (3,674)
Duke Energy Ohio | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 7,945 | 7,634
Duke Energy Ohio | Regulated | Natural gas transmission and distribution |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 4,529 | 4,255
Duke Energy Ohio | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 437 | 418
Duke Energy Indiana |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 157 | 144
Other buildings and improvements | 287 | 254
Equipment | 540 | 490
Construction in process | 884 | 406
Total property, plant and equipment | 21,241 | 19,970
Total net property, plant and equipment | 13,749 | 13,122
Finance leases, gross | 13 | 10
Accumulated amortization of finance leases | (5) | (4)
Duke Energy Indiana | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (7,492) | (6,848)
Duke Energy Indiana | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 18,992 | 18,304
Duke Energy Indiana | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 381 | 372
Piedmont |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 326 | 325
Other buildings and improvements | 526 | 488
Equipment | 131 | 157
Construction in process | 408 | 311
Total property, plant and equipment | 11,325 | 10,712
Total net property, plant and equipment | 9,157 | 8,671
Piedmont | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (2,168) | (2,041)
Piedmont | Regulated | Natural gas transmission and distribution |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 9,672 | 9,227
Piedmont | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | $ 262 | $ 204

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