Condensed Consolidated Statements of Cash Flows - Duke Energy Carolinas (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net proceeds related to the sale of certain tax credits	$ 558	$ 28	$ 0
Duke Energy Carolinas
Net proceeds related to the sale of certain tax credits	$ 440	$ 0	$ 0