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 (member's equity) at Dec. 31, 2020			$ 9,260
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Duke Energy Corporation	$ 3,162	$ 800	800
Common stock dividends	(2,248)		(700)
Other	1
Ending Balance (member's equity) at Sep. 30, 2021			9,360
Beginning Balance (member's equity) at Jun. 30, 2021			9,685
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Duke Energy Corporation	1,405	375	375
Common stock dividends	(760)		(700)
Other	1
Ending Balance (member's equity) at Sep. 30, 2021			9,360
Beginning Balance (member's equity) at Dec. 31, 2021		9,551	9,551
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Duke Energy Corporation	3,186	831	831
Common stock dividends	(2,297)		(250)
Other	3
Ending Balance (member's equity) at Sep. 30, 2022		10,132	10,132
Beginning Balance (member's equity) at Jun. 30, 2022			9,735
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income Attributable to Duke Energy Corporation	1,422	397	397
Common stock dividends	(776)
Other	$ 2
Ending Balance (member's equity) at Sep. 30, 2022		$ 10,132	$ 10,132