Condensed Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions		Total		Preferred Stock	Total Equity	Common Stock	Additional Paid-in Capital	Retained Earnings	Net Gains (Losses) on Hedges	[1]	Net Unrealized Gains (Losses) on Available-for-Sale Securities	Pension and OPEB Adjustments	Noncontrolling Interests	Common Stock	Common Stock Total Equity	Common Stock Additional Paid-in Capital
Beginning Balance (Attributable to Parent) at Dec. 31, 2021				$ 1,962	$ 49,296	$ 1	$ 44,371	$ 3,265	$ (232)		$ (2)	$ (69)
Beginning Balance (in shares) at Dec. 31, 2021						769
Beginning Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2021													$ 1,840
Beginning Balance (Parent) at Dec. 31, 2021		$ 51,136
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		3,021			3,094			3,094					(73)
Other comprehensive income (loss)		242	[2]		225				248		(20)	(3)	17
Common stock issuances, including dividend reinvestment and employee benefits (in shares)						1
Common stock issuances, including dividend reinvestment and employee benefits														$ 41	$ 41	$ 41
Common stock dividends		(2,297)			(2,297)			(2,297)
Sale of noncontrolling interest		21			(17)		(17)						38
Contributions from noncontrolling interests, net of transaction costs	[3]	94											94
Distributions to noncontrolling interest in subsidiaries		(92)											(92)
Other		3			3		2	1
Ending Balance (Attributable to Parent) at Sep. 30, 2022				1,962	50,345	$ 1	44,397	4,063	16		(22)	(72)
Beginning Balance (in shares) at Sep. 30, 2022						770
Ending Balance (Attributable to Noncontrolling Interest) at Sep. 30, 2022													1,824
Ending Balance (Parent) at Sep. 30, 2022		52,169
Beginning Balance (Attributable to Parent) at Jun. 30, 2022				1,962	49,720	$ 1	44,373	3,457	15		(23)	(65)
Beginning Balance (in shares) at Jun. 30, 2022						770
Beginning Balance (Attributable to Noncontrolling Interest) at Jun. 30, 2022													1,864
Beginning Balance (Parent) at Jun. 30, 2022		51,584
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,374			1,383			1,383					(9)
Other comprehensive income (loss)		0			(5)				1		1	(7)	5
Common stock issuances, including dividend reinvestment and employee benefits														21	21	21
Common stock dividends		(776)			(776)			(776)
Contributions from noncontrolling interests, net of transaction costs	[3]	6											6
Distributions to noncontrolling interest in subsidiaries		(42)											(42)
Other		2			2		3	(1)
Ending Balance (Attributable to Parent) at Sep. 30, 2022				1,962	50,345	$ 1	44,397	4,063	16		(22)	(72)
Beginning Balance (in shares) at Sep. 30, 2022						770
Ending Balance (Attributable to Noncontrolling Interest) at Sep. 30, 2022													1,824
Ending Balance (Parent) at Sep. 30, 2022		52,169
Beginning Balance (Attributable to Parent) at Dec. 31, 2022		$ 49,322		1,962	49,322	$ 1	44,862	2,637	(29)		(23)	(88)
Beginning Balance (in shares) at Dec. 31, 2022		770				770
Beginning Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2022		$ 2,531											2,531
Beginning Balance (Parent) at Dec. 31, 2022		51,853
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,786			1,744			1,744					42
Other comprehensive income (loss)		261	[2]		261				264		(2)	(1)
Common stock issuances, including dividend reinvestment and employee benefits (in shares)						1
Common stock issuances, including dividend reinvestment and employee benefits														43	43	43
Common stock dividends		(2,346)			(2,346)			(2,346)
Sale of noncontrolling interest		(3)			(13)		(13)						10
Contributions from noncontrolling interests, net of transaction costs	[3]	278											278
Distributions to noncontrolling interest in subsidiaries		(45)											(45)
Other		(1)			(5)		(6)	1					4
Ending Balance (Attributable to Parent) at Sep. 30, 2023		$ 49,006		1,962	49,006	$ 1	44,886	2,036	235		(25)	(89)
Beginning Balance (in shares) at Sep. 30, 2023		771				771
Ending Balance (Attributable to Noncontrolling Interest) at Sep. 30, 2023		$ 2,820											2,820
Ending Balance (Parent) at Sep. 30, 2023		51,826
Beginning Balance (Attributable to Parent) at Jun. 30, 2023				1,962	48,333	$ 1	44,866	1,615	(4)		(19)	(88)
Beginning Balance (in shares) at Jun. 30, 2023						771
Beginning Balance (Attributable to Noncontrolling Interest) at Jun. 30, 2023													2,738
Beginning Balance (Parent) at Jun. 30, 2023		51,071
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,282			1,213			1,213					69
Other comprehensive income (loss)		232	[2]		232				239		(6)	(1)
Common stock issuances, including dividend reinvestment and employee benefits														$ 22	$ 22	$ 22
Common stock dividends		(793)			(793)			(793)
Contributions from noncontrolling interests, net of transaction costs	[3]	30											30
Distributions to noncontrolling interest in subsidiaries		(20)											(20)
Other		2			(1)		(2)	1					3
Ending Balance (Attributable to Parent) at Sep. 30, 2023		$ 49,006		$ 1,962	$ 49,006	$ 1	$ 44,886	$ 2,036	$ 235		$ (25)	$ (89)
Beginning Balance (in shares) at Sep. 30, 2023		771				771
Ending Balance (Attributable to Noncontrolling Interest) at Sep. 30, 2023		$ 2,820											$ 2,820
Ending Balance (Parent) at Sep. 30, 2023		$ 51,826

[1] See Duke Energy Condensed Consolidated Statements of Comprehensive Income for detailed activity related to Cash Flow and Fair Value hedges.

[2] Net of income tax expense of approximately $69 million for the three months ended September 30, 2023, and approximately $78 million and $72 million for the nine months ended September 30, 2023, and 2022, respectively. All other periods presented include immaterial income tax impacts.

[3] Relates primarily to tax equity financing activity in the Commercial Renewables Disposal Groups.