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Regulatory Matters - Narrative (Details) customers in Thousands, $ in Billions	12 Months Ended
	Dec. 31, 2024 USD ($)	Oct. 31, 2024 customers	Sep. 30, 2024 customers	Aug. 31, 2024 customers
Hurricanes Helene, Debby and Milton
Regulatory Matters [Line Items]
Estimated storm restoration costs \| $	$ 2.6
Hurricane Debby
Regulatory Matters [Line Items]
Number of customers impacted				700
Hurricane Helene
Regulatory Matters [Line Items]
Number of customers impacted			3,500
Hurricane Milton \| Duke Energy Florida
Regulatory Matters [Line Items]
Number of customers impacted		1,000