Condensed Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions		Total		Preferred Stock	Common Stockholders' Equity	Additional Paid-in Capital	Retained Earnings	Net Gains (Losses) on Hedges	[1]	Accumulated Other Comprehensive (Loss) Income, Net Unrealized (Losses) Gains on Available-for-Sale-Securities	Accumulated Other Comprehensive (Loss) Income, Pension and OPEB Adjustments	Noncontrolling Interests	Accumulated Other Comprehensive (Loss) Income, Net (Losses) Gains on Cash Flow Hedges	Common Stock	Common Stock Common Stockholders' Equity	Common Stock Common Stock	Common Stock Additional Paid-in Capital
Beginning Balance at Dec. 31, 2020		$ 49,184		$ 1,962	$ 47,964	$ 43,767	$ 2,471	$ (167)		$ 6	$ (76)	$ 1,220				$ 1
Beginning Balance, in shares at Dec. 31, 2020																769
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		2,823			3,070		3,070					(247)
Other comprehensive (loss) income		(53)	[2]		(60)			(57)		(6)	3	7
Common stock issuances, including dividend reinvestment and employee benefits														$ 43	$ 43		$ 43
Common stock dividends		(2,248)			(2,248)		(2,248)
Sale of noncontrolling interest	[3]	999			545	545						454	$ 0
Contributions from noncontrolling interests, net of transaction costs	[4]	525			(6)	(6)						531
Distributions to noncontrolling interest in subsidiaries		(34)										(34)
Other		1			(1)	(1)	0					2
Ending Balance at Sep. 30, 2021		51,240		1,962	49,307	44,348	3,293	(224)			(73)	1,933				$ 1
Ending Balance, in shares at Sep. 30, 2021																769
Beginning Balance at Jun. 30, 2021		49,545		1,962	48,132	43,788	2,687	(234)		2	(74)	1,413				$ 1
Beginning Balance, in shares at Jun. 30, 2021																769
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,237			1,366		1,366					(129)
Other comprehensive (loss) income		10	[2]		9			10		(2)	1	1
Common stock issuances, including dividend reinvestment and employee benefits														20	20		20
Common stock dividends		(760)			(760)		(760)
Sale of noncontrolling interest	[3]	999			545	545						454
Contributions from noncontrolling interests, net of transaction costs	[4]	210			(3)	(3)						213
Distributions to noncontrolling interest in subsidiaries		(22)										(22)
Other		1			(2)	(2)						3
Ending Balance at Sep. 30, 2021		51,240		1,962	49,307	44,348	3,293	(224)			(73)	1,933				$ 1
Ending Balance, in shares at Sep. 30, 2021																769
Beginning Balance at Dec. 31, 2021		$ 51,136		1,962	49,296	44,371	3,265	(232)		(2)	(69)	1,840				$ 1
Beginning Balance, in shares at Dec. 31, 2021		769														769
Beginning Balance (parent) at Dec. 31, 2021		$ 49,296
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		3,021			3,094		3,094					(73)
Other comprehensive (loss) income		242	[2]		225			248		(20)	(3)	17
Common stock issuances, including dividend reinvestment and employee benefits														41	41	$ 1	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	[4]	94										94
Distributions to noncontrolling interest in subsidiaries		(92)										(92)
Other		3			3	2	1
Ending Balance at Sep. 30, 2022		$ 52,169		1,962	50,345	44,397	4,063	16		(22)	(72)	1,824				$ 1
Ending Balance, in shares at Sep. 30, 2022		770														770
Ending Balance (parent) at Sep. 30, 2022		$ 50,345
Beginning Balance at Jun. 30, 2022		51,584		1,962	49,720	44,373	3,457	15		(23)	(65)	1,864				$ 1
Beginning Balance, in shares at Jun. 30, 2022																770
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,374			1,383		1,383					(9)
Other comprehensive (loss) income		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	[4]	6			0	0						6
Distributions to noncontrolling interest in subsidiaries		(42)										(42)
Other		2			2	3	(1)
Ending Balance at Sep. 30, 2022		$ 52,169		$ 1,962	$ 50,345	$ 44,397	$ 4,063	$ 16		$ (22)	$ (72)	$ 1,824				$ 1
Ending Balance, in shares at Sep. 30, 2022		770														770
Ending Balance (parent) at Sep. 30, 2022		$ 50,345

[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 $72 million for the nine months ended September, 30, 2022 and income tax benefit of $16 million for the nine months ended September 30, 2021. All other periods presented include immaterial income tax impacts.

[3] Relates to the sale of a noncontrolling interest in Duke Energy Indiana. See Note 2 for additional discussion.

[4] Relates primarily to tax equity financing activity in the Commercial Renewables segment.