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Regulatory Matters (Schedule of Net Carrying Value Of Facilities) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2034 asset | Dec. 31, 2022 USD ($) MW | Dec. 31, 2021 USD ($)
Public Utilities, General Disclosures [Line Items] |  |  |
Remaining net book value |  | $ 111,748 | $ 105,536
Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 9,146 |
Remaining net book value |  | $ 6,293 |
Duke Energy Carolinas |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Remaining net book value |  | $ 35,981 | 34,122
Duke Energy Carolinas | Allen Steam Station Unit 1 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 167 |
Remaining net book value |  | $ 10 |
Duke Energy Carolinas | Allen Steam Station Unit 5 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 259 |
Remaining net book value |  | $ 233 |
Duke Energy Carolinas | Cliffside Unit 5 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 546 |
Remaining net book value |  | $ 344 |
Duke Energy Carolinas | Marshall Units 1 And 2 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 760 |
Remaining net book value |  | $ 428 |
Duke Energy Progress |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Remaining net book value |  | $ 24,674 | 23,657
Duke Energy Progress | Mayo Unit 1 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 713 |
Remaining net book value |  | $ 639 |
Duke Energy Progress | Roxboro Units 3-4 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 1,409 |
Remaining net book value |  | $ 425 |
Duke Energy Florida |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Remaining net book value |  | $ 19,563 | 18,046
Duke Energy Florida | Crystal River Units 4 and 5 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 1,442 |
Remaining net book value |  | $ 1,549 |
Duke Energy Florida | Crystal River Units 4 and 5 | Generating facilities planned for retirement | Forecast |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Facilities retiring ahead of schedule | asset | 2 |  |
Facilities retiring ahead of schedule, years ahead | 8 years |  |
Duke Energy Florida | Crystal River Units 4-5 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Accelerated depreciation |  | 200 |
Duke Energy Indiana |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Remaining net book value |  | $ 12,100 | $ 11,760
Duke Energy Indiana | Gibson Units 1 - 5 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 2,845 |
Remaining net book value |  | $ 2,043 |
Duke Energy Indiana | Cayuga Units 1 - 2 | Generating facilities planned for retirement |  |  |
Public Utilities, General Disclosures [Line Items] |  |  |
Capacity (in MW) | MW |  | 1,005 |
Remaining net book value |  | $ 622 |

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