Consolidated Statements of Changes in Equity - USD ($) $ in Millions		Total		Common Stockholders' Equity	Preferred 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	Duke Energy Carolinas	Duke Energy Carolinas Members Equity	Duke Energy Carolinas Net Gains (Losses) on Cash Flow Hedges	Progress Energy	Progress Energy Common Stockholders' Equity	Progress Energy Additional Paid In Capital	Progress Energy Retained Earnings	Progress Energy Net Gains (Losses) on Cash Flow Hedges	Progress Energy Net Unrealized Gains (Losses) on Available-for-Sale Securities	Progress Energy Pension and OPEB Adjustments	Progress Energy Noncontrolling Interests	Duke Energy Progress	Duke Energy Progress Members Equity	Duke Energy Florida	Duke Energy Florida Members Equity	Duke Energy Florida Net Unrealized Gains (Losses) on Available-for-Sale Securities	Duke Energy Ohio	Duke Energy Ohio Common Stock	Duke Energy Ohio Additional Paid In Capital	Duke Energy Ohio Retained Earnings	Duke Energy Indiana	Duke Energy Indiana Members Equity	Duke Energy Indiana Pension and OPEB Adjustments	Piedmont	Piedmont Common Stockholders' Equity	Piedmont Common Stock	Piedmont Retained Earnings	Piedmont Noncontrolling Interests	Common Stock	Common Stock Common Stockholders' Equity	Common Stock Common Stock	Common Stock Additional Paid In Capital
Beginning Balance (parent) at Dec. 31, 2021		$ 51,136														$ 17,148	$ 17,145	$ 9,149	$ 8,007	$ (2)	$ (2)	$ (7)	$ 3													$ 3,349
Beginning Members' Equity at Dec. 31, 2021													$ 13,891	$ 13,897	$ (6)										$ 9,551	$ 8,295	$ 8,298	$ (3)					$ 5,015	$ 5,015
Beginning Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2021												$ 1,840																												$ 0
Beginning Balance (Attributable to Parent) at Dec. 31, 2021				$ 49,296	$ 1,962	$ 44,371	$ 3,265	$ (232)		$ (2)	$ (69)																		$ 4,464	$ 762	$ 3,100	$ 602					$ 3,349	$ 1,635	$ 1,714				$ 1
Balance (in shares) at Dec. 31, 2021																																											769,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,647		1,711			1,711					(64)
Net income (loss)		1,700														813	812		812				1													213	213		213
Net income (loss)		1,764											668	668										$ 434	434	432	432		133			133	70	70		213
Other comprehensive (loss) income		242	[2]	230				247		(21)	4	12				(2)	(2)			1	(3)					(2)		(2)
Common stock issuances, including dividend reinvestment and employee benefits																																									$ 20	$ 20		$ 20
Common stock issuances, including dividend reinvestment and employee benefits (in shares)																																											1,000,000
Common stock dividends		(1,521)		(1,521)			(1,521)						(50)	(50)		(250)	(250)		(250)						(250)								(225)	(225)
Sale of noncontrolling interest		21		(17)		(17)						38
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	88										88
Distributions to noncontrolling interest in subsidiaries		(50)										(50)				(1)							(1)
Equitization of certain notes payable to affiliates																2,431	2,431		2,431
Other		1		1		(1)	2									1	1		1														1	1
Ending Balance (parent) at Jun. 30, 2022		51,584		49,720	1,962	44,373	3,457	15		(23)	(65)	1,864				20,140	20,137	9,149	11,001	(1)	(5)	(7)	3													3,562							$ 1
Ending Balance (Attributable to Parent) at Jun. 30, 2022				49,720	1,962	44,373	3,457	15		(23)	(65)																		4,597	762	3,100	735					3,562	1,635	1,927				$ 1
Ending Balance (Attributable to Noncontrolling Interest) at Jun. 30, 2022												1,864																												0
Ending Member's Equity at Jun. 30, 2022													14,509	14,515	(6)										9,735	8,725	8,730	(5)					4,861	4,861
Balance (in shares) at Jun. 30, 2022																																											770,000,000
Beginning Balance (parent) at Mar. 31, 2022		51,252		49,446	1,962	44,364	3,323	(122)		(15)	(67)	1,806				19,682	19,680	9,149	10,543	(1)	(4)	(7)	2													3,563							$ 1
Beginning Members' Equity at Mar. 31, 2022													14,182	14,188	(6)										9,517	8,465	8,469	(4)					4,824	4,824
Beginning Balance (Attributable to Noncontrolling Interest) at Mar. 31, 2022																																								0
Beginning Balance (Attributable to Parent) at Mar. 31, 2022																													4,542	762	3,100	680					3,563	1,635	1,928
Balance (in shares) at Mar. 31, 2022																																											770,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		866		893			893					(27)
Net income (loss)		880														459	458		458				1													(1)	(1)		(1)
Net income (loss)		907											328	328										219	219	261	261		56			56	149	149		(1)
Other comprehensive (loss) income		135	[2]	131				137		(8)	2	4				(1)	(1)				(1)					(1)		(1)
Common stock issuances, including dividend reinvestment and employee benefits																																									27	27		27
Common stock dividends		(761)		(761)			(761)																										(112)	(112)
Sale of noncontrolling interest		21		(17)		(17)						38
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	65										65
Distributions to noncontrolling interest in subsidiaries		(22)										(22)
Other		1		1		(1)	2						(1)	(1)											(1)				(1)			(1)
Ending Balance (parent) at Jun. 30, 2022		51,584		49,720	1,962	44,373	3,457	15		(23)	(65)	1,864				20,140	20,137	9,149	11,001	(1)	(5)	(7)	$ 3													3,562							$ 1
Ending Balance (Attributable to Parent) at Jun. 30, 2022				49,720	1,962	44,373	3,457	15		(23)	(65)																		4,597	762	3,100	735					3,562	1,635	1,927				$ 1
Ending Balance (Attributable to Noncontrolling Interest) at Jun. 30, 2022												1,864																												0
Ending Member's Equity at Jun. 30, 2022													14,509	14,515	(6)										9,735	8,725	8,730	(5)					4,861	4,861
Balance (in shares) at Jun. 30, 2022																																											770,000,000
Beginning Balance (parent) at Dec. 31, 2022		51,853														$ 21,406	21,406	11,832	9,585	(1)	(8)	(2)							4,766							3,673
Beginning Members' Equity at Dec. 31, 2022													15,442	15,448	(6)									10,309	10,309	9,023	9,031	(8)					4,703	4,702	$ 1
Beginning Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2022		2,531										2,531																								1				1
Beginning Balance (Attributable to Parent) at Dec. 31, 2022		$ 49,322		49,322	1,962	44,862	2,637	(29)		(23)	(88)																		$ 4,766	762	3,100	904				$ 3,672	3,672	1,635	2,037				$ 1
Balance (in shares) at Dec. 31, 2022		770,000,000														100													90,000,000							100							770,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		$ 504		531			531					(27)
Net income (loss)		557														$ 744	744		744																	$ 235	235		235
Net income (loss)		584											542	542										309	309	463	463		$ 171			171	220	220		235
Other comprehensive (loss) income		29	[2]	29				25		4						2	2				2					2		2
Common stock issuances, including dividend reinvestment and employee benefits																																									21	21		21
Common stock issuances, including dividend reinvestment and employee benefits (in shares)																																											1,000,000
Common stock dividends		(1,553)		(1,553)			(1,553)																										(96)	(96)
Sale of noncontrolling interest		(3)
Sale of noncontrolling interest				(13)		(13)						10
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	248										248
Distributions to noncontrolling interest in subsidiaries		(25)										(25)
Other		(3)		(4)		(4)						1				(2)	(2)	(2)
Ending Balance (parent) at Jun. 30, 2023		51,071		48,333	1,962	44,866	1,615	(4)		(19)	(88)	2,738				$ 22,150	22,150	11,830	10,329	(1)	(6)	(2)							4,937							3,908							$ 1
Ending Balance (Attributable to Parent) at Jun. 30, 2023		48,333		48,333	1,962	44,866	1,615	(4)		(19)	(88)																		$ 4,937	762	3,100	1,075				3,907	3,907	1,635	2,272				$ 1
Ending Balance (Attributable to Noncontrolling Interest) at Jun. 30, 2023		$ 2,738										2,738																								$ 1				1
Ending Member's Equity at Jun. 30, 2023													15,984	15,990	(6)									10,618	10,618	9,488	9,494	(6)					4,827	4,826	1
Balance (in shares) at Jun. 30, 2023		771,000,000														100													90,000,000							100							771,000,000
Beginning Balance (parent) at Mar. 31, 2023		$ 51,951		49,260	1,962	44,837	2,626	(60)		(17)	(89)	2,691				$ 21,765	21,765	11,830	9,944	(1)	(6)	(2)														$ 3,905							$ 1
Beginning Members' Equity at Mar. 31, 2023													15,714	15,720	(6)										10,478	9,231	9,237	(6)					4,734	4,733	1
Beginning Balance (Attributable to Noncontrolling Interest) at Mar. 31, 2023																																								1
Beginning Balance (Attributable to Parent) at Mar. 31, 2023																													$ 4,866	762	3,100	1,004					3,904	1,635	2,269
Balance (in shares) at Mar. 31, 2023																																											771,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(218)		(234)			(234)					16
Net income (loss)		(204)														385	385		385																	3	3		3
Net income (loss)		(220)											270	270										140	140	258	258		71			71	114	114		3
Other comprehensive (loss) income		55	[2]	55				56		(2)	1
Common stock issuances, including dividend reinvestment and employee benefits																																									$ 31	$ 31		$ 31
Common stock dividends		(777)		(777)			(777)																										(21)	(21)
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	42										42
Distributions to noncontrolling interest in subsidiaries		(12)										(12)
Other		(1)		(2)		(2)						1														(1)	(1)
Ending Balance (parent) at Jun. 30, 2023		51,071		48,333	1,962	44,866	1,615	(4)		(19)	(88)	2,738				$ 22,150	$ 22,150	$ 11,830	$ 10,329	$ (1)	$ (6)	$ (2)							4,937							3,908							$ 1
Ending Balance (Attributable to Parent) at Jun. 30, 2023		48,333		$ 48,333	$ 1,962	$ 44,866	$ 1,615	$ (4)		$ (19)	$ (88)																		$ 4,937	$ 762	$ 3,100	$ 1,075				3,907	$ 3,907	$ 1,635	$ 2,272				$ 1
Ending Balance (Attributable to Noncontrolling Interest) at Jun. 30, 2023		$ 2,738										$ 2,738																								$ 1				$ 1
Ending Member's Equity at Jun. 30, 2023													$ 15,984	$ 15,990	$ (6)									$ 10,618	$ 10,618	$ 9,488	$ 9,494	$ (6)					$ 4,827	$ 4,826	$ 1
Balance (in shares) at Jun. 30, 2023		771,000,000														100													90,000,000							100							771,000,000

[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 $16 million and $40 million for the three months ended June 30, 2023, and 2022, respectively and approximately $9 million and $72 million for the six months ended June 30, 2023, and 2022, respectively.

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