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Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 13 years | 14 years
Land | $ 2,569 | $ 2,345
Other buildings and improvements | 6,855 | 6,922
Equipment | 3,863 | 3,409
Construction in process | 7,850 | 8,372
Total property, plant and equipment | 180,806 | 171,353
Total net property, plant and equipment | $ 123,303 | $ 115,315
Other, estimated useful life, in years | 10 years | 12 years
Finance leases, gross | $ 670 | $ 697
Accumulated amortization of finance leases |  | (3)
Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 3,518 | 3,303
Accumulated depreciation and amortization | (1,824) | (1,793)
Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | $ (55,535) | $ (54,323)
Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 37 years | 40 years
Plant - transmission and distribution | $ 137,836 | $ 129,985
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 | $ 15,333 | $ 14,130
Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Average remaining useful life (in years) | 41 years | 42 years
Other buildings and improvements | $ 2,982 | $ 2,887
Nonregulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (1,968) | (1,715)
Accumulated amortization of finance leases | (25) | (7)
Duke Energy Carolinas |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 617 | 581
Other buildings and improvements | 1,227 | 1,455
Equipment | 997 | 870
Construction in process | 2,735 | 2,578
Total property, plant and equipment | 58,382 | 56,670
Total net property, plant and equipment | 39,292 | 36,774
Finance leases, gross | 336 | 335
Accumulated amortization of finance leases | (84) | (67)
Duke Energy Carolinas | Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 2,003 | 1,866
Accumulated depreciation and amortization | (1,010) | (991)
Duke Energy Carolinas | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (19,090) | (19,896)
Duke Energy Carolinas | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 49,547 | 48,107
Duke Energy Carolinas | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 1,256 | 1,213
Progress Energy |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 1,134 | 1,012
Other buildings and improvements | 1,953 | 2,037
Equipment | 1,252 | 1,104
Construction in process | 3,657 | 3,941
Total property, plant and equipment | 72,560 | 67,644
Total net property, plant and equipment | 48,974 | 45,344
Finance leases, gross | 620 | 615
Accumulated amortization of finance leases | (159) | (292)
Progress Energy | Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 1,515 | 1,437
Accumulated depreciation and amortization | (814) | (802)
Progress Energy | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (23,586) | (22,300)
Progress Energy | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 62,351 | 57,436
Progress Energy | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 698 | 677
Duke Energy Progress |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 535 | 502
Other buildings and improvements | 1,349 | 1,481
Equipment | 753 | 654
Construction in process | 1,884 | 1,661
Total property, plant and equipment | 42,060 | 39,283
Total net property, plant and equipment | 26,130 | 24,056
Finance leases, gross | 512 | 552
Accumulated amortization of finance leases |  | (119)
Duke Energy Progress | Nuclear fuel |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Nuclear fuel | 1,515 | 1,437
Accumulated depreciation and amortization | (814) | (802)
Duke Energy Progress | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (15,930) | (15,227)
Duke Energy Progress | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 35,633 | 33,171
Duke Energy Progress | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 391 | 377
Duke Energy Florida |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 599 | 510
Other buildings and improvements | 594 | 548
Equipment | 499 | 450
Construction in process | 1,773 | 2,280
Total property, plant and equipment | 30,490 | 28,353
Total net property, plant and equipment | 22,840 | 21,286
Finance leases, gross | 108 | 63
Accumulated amortization of finance leases |  | (173)
Duke Energy Florida | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (7,650) | (7,067)
Duke Energy Florida | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 26,718 | 24,265
Duke Energy Florida | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 307 | 300
Duke Energy Ohio |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 258 | 242
Other buildings and improvements | 426 | 410
Equipment | 542 | 474
Construction in process | 385 | 427
Total property, plant and equipment | 13,918 | 13,210
Total net property, plant and equipment | 10,244 | 9,759
Duke Energy Ohio | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (3,674) | (3,451)
Duke Energy Ohio | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 7,634 | 7,243
Duke Energy Ohio | Regulated | Natural gas transmission and distribution |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 4,255 | 3,993
Duke Energy Ohio | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 418 | 421
Duke Energy Indiana |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 144 | 133
Other buildings and improvements | 254 | 344
Equipment | 490 | 442
Construction in process | 406 | 427
Total property, plant and equipment | 19,970 | 18,900
Total net property, plant and equipment | 13,122 | 12,399
Finance leases, gross | 10 | 10
Accumulated amortization of finance leases | (4) | (4)
Duke Energy Indiana | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (6,848) | (6,501)
Duke Energy Indiana | Regulated | Electric generation, distribution and transmission |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 18,304 | 17,199
Duke Energy Indiana | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | 372 | 355
Piedmont |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Land | 391 | 352
Other buildings and improvements | 498 | 365
Equipment | 170 | 143
Construction in process | 405 | 690
Total property, plant and equipment | 12,780 | 11,908
Total net property, plant and equipment | 10,348 | 9,649
Piedmont | Regulated |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Accumulated depreciation and amortization | (2,432) | (2,259)
Piedmont | Regulated | Natural gas transmission and distribution |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Plant - transmission and distribution | 11,078 | 10,137
Piedmont | Regulated | Other buildings and improvements |  |
Public Utilities, Property, Plant and Equipment, Net [Abstract] |  |
Other buildings and improvements | $ 238 | $ 221

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