Condensed Consolidated Statements of Changes in Equity - Duke Energy Florida - USD ($) $ in Millions	Total		Duke Energy Florida	Duke Energy Florida Member's Equity	Duke Energy Florida Net Unrealized Gains (Losses) on Available-for-Sale Securities
Beginning balance at Dec. 31, 2021			$ 8,295	$ 8,298	$ (3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 2,550		909	909
Other comprehensive income (loss)	(21)	[1]	(5)		(5)
Distributions to parent	(3,073)		(175)	(175)
Other	3		(1)	(1)
Ending balance at Dec. 31, 2022			9,023	9,031	(8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,841		1,016	1,016
Other comprehensive income (loss)	8	[1]	3		3
Distributions to parent	(3,138)
Other	(2)		1	1
Ending balance at Dec. 31, 2023			10,043	10,048	(5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	4,524		1,061	1,061
Other comprehensive income (loss)	(2)	[1]	0
Distributions to parent	(3,204)		(125)	(125)
Other	$ (2)		2	2
Ending balance at Dec. 31, 2024			$ 10,981	$ 10,986	$ (5)

[1] Net of income tax expense of approximately $70 million, $40 million and $52 million for the years ended December 31, 2024, 2023 and 2022, respectively.