Condensed Consolidated Statements of Changes in Equity - Duke Energy Progress - USD ($) $ in Millions	Total	Duke Energy Progress	Duke Energy Progress Member's Equity
Beginning balance at Dec. 31, 2021			$ 9,551
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 3,186	$ 831	831
Common stock dividends	(2,297)		(250)
Ending balance at Sep. 30, 2022			10,132
Beginning balance at Jun. 30, 2022			9,735
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,422	397	397
Common stock dividends	(776)
Ending balance at Sep. 30, 2022			10,132
Beginning balance at Dec. 31, 2022		10,309	10,309
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,836	677	677
Common stock dividends	(2,346)		(500)
Ending balance at Sep. 30, 2023		10,486	10,486
Beginning balance at Jun. 30, 2023			10,618
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,252	368	368
Common stock dividends	$ (793)		(500)
Ending balance at Sep. 30, 2023		$ 10,486	$ 10,486