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	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)		1,586			1,704		1,704					(118)
Other comprehensive (loss) income		(63)	[2]		(69)			(67)		(4)	2	6
Common stock issuances, including dividend reinvestment and employee benefits													$ 23	$ 23		$ 23
Common stock dividends		(1,488)			(1,488)		(1,488)
Contributions from noncontrolling interests, net of transaction costs	[3]	315			(3)	(3)						318
Distributions to noncontrolling interest in subsidiaries		(12)										(12)
Other		0			1	1	0					(1)
Ending Balance at Jun. 30, 2021		49,545		1,962	48,132	43,788	2,687	(234)		2	(74)	1,413			$ 1
Ending Balance, in shares at Jun. 30, 2021															769
Beginning Balance at Mar. 31, 2021		49,658		1,962	48,186	43,761	2,680	(142)		(2)	(74)	1,472			$ 1
Beginning Balance, in shares at Mar. 31, 2021															769
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		684			751		751					(67)
Other comprehensive (loss) income		(89)	[2]		(88)			(92)		4	0	(1)
Common stock issuances, including dividend reinvestment and employee benefits													26	26		26
Common stock dividends		(744)			(744)		(744)
Contributions from noncontrolling interests, net of transaction costs	[3]	15			0	0						15
Distributions to noncontrolling interest in subsidiaries		(5)										(5)
Other					1	1						(1)
Ending Balance at Jun. 30, 2021		49,545		1,962	48,132	43,788	2,687	(234)		2	(74)	1,413			$ 1
Ending Balance, in shares at Jun. 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)		1,647			1,711		1,711					(64)
Other comprehensive (loss) income		242	[2]		230			247		(21)	4	12
Common stock issuances, including dividend reinvestment and employee benefits													20	20	$ 1	20
Common stock dividends		(1,521)			(1,521)		(1,521)
Sale of noncontrolling interest		21			(17)	(17)						38
Contributions from noncontrolling interests, net of transaction costs	[3]	88										88
Distributions to noncontrolling interest in subsidiaries		(50)										(50)
Other		1			1	(1)	2
Ending Balance at Jun. 30, 2022		$ 51,584		1,962	49,720	44,373	3,457	15		(23)	(65)	1,864			$ 1
Ending Balance, in shares at Jun. 30, 2022		770													770
Ending Balance (parent) at Jun. 30, 2022		$ 49,720
Beginning Balance at Mar. 31, 2022		51,252		1,962	49,446	44,364	3,323	(122)		(15)	(67)	1,806			$ 1
Beginning Balance, in shares at Mar. 31, 2022															770
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		866			893		893					(27)
Other comprehensive (loss) income		135	[2]		131			137		(8)	2	4
Common stock issuances, including dividend reinvestment and employee benefits													$ 27	$ 27		$ 27
Common stock dividends		(761)			(761)		(761)
Sale of noncontrolling interest		21			(17)	(17)						38
Contributions from noncontrolling interests, net of transaction costs	[3]	65			0	0						65
Distributions to noncontrolling interest in subsidiaries		(22)										(22)
Other		1			1	(1)	2
Ending Balance at Jun. 30, 2022		$ 51,584		$ 1,962	$ 49,720	$ 44,373	$ 3,457	$ 15		$ (23)	$ (65)	$ 1,864			$ 1
Ending Balance, in shares at Jun. 30, 2022		770													770
Ending Balance (parent) at Jun. 30, 2022		$ 49,720

[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 impacts of approximately $40 million and $27 million for the three months ended June 30, 2022, and 2021, respectively, and $72 million and $19 million for the six months ended June 30, 2022, and 2021, respectively.

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