Regulatory Matters - Total Storm Restoration Costs Across Subsidiary Registrants (Details) - Hurricanes Helene, Debby and Milton $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Public Utilities, General Disclosures [Line Items]
Estimated storm restoration costs	$ 2,600
Minimum
Public Utilities, General Disclosures [Line Items]
Estimated storm restoration costs	2,800
Duke Energy Carolinas | Maximum
Public Utilities, General Disclosures [Line Items]
Estimated storm restoration costs	1,150
Duke Energy Progress | Maximum
Public Utilities, General Disclosures [Line Items]
Estimated storm restoration costs	450
Duke Energy Florida | Maximum
Public Utilities, General Disclosures [Line Items]
Estimated storm restoration costs	$ 1,150