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Regulatory Matters (Schedule of Net Carrying Value Of Facilities) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Public Utilities, General Disclosures [Line Items] |  |
Remaining net book value | $ 123,303 | $ 115,315
Duke Energy Carolinas |  |
Public Utilities, General Disclosures [Line Items] |  |
Remaining net book value | 39,292 | 36,774
Duke Energy Progress |  |
Public Utilities, General Disclosures [Line Items] |  |
Remaining net book value | 26,130 | 24,056
Duke Energy Florida |  |
Public Utilities, General Disclosures [Line Items] |  |
Remaining net book value | 22,840 | 21,286
Duke Energy Indiana |  |
Public Utilities, General Disclosures [Line Items] |  |
Remaining net book value | $ 13,122 | $ 12,399

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