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)		781		818			818					(37)
Net income		820														354	354		354																	214	214		214
Net income (loss)		857											340	340										$ 215	215	171	171		77			77	(79)	(79)		214
Other comprehensive (loss) income		107	[2]	99				110		(13)	2	8				(1)	(1)			1	(2)					(1)		(1)
Common stock issuances, including dividend reinvestment and employee benefits																																									$ (7)	$ (7)		$ (7)
Common stock issuances, including dividend reinvestment and employee benefits (in shares)																																											1,000,000
Common stock dividends		(760)		(760)			(760)						(50)	(50)		(250)	(250)		(250)						(250)								(113)	(113)
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	23										23
Distributions to noncontrolling interest in subsidiaries		(28)										(28)				(1)							(1)
Equitization of certain notes payable to affiliates																2,431	2,431		2,431
Other													1	1		1	1		1						1				1			1	1	1
Ending Balance (parent) at Mar. 31, 2022		51,252														19,682	19,680	9,149	10,543	(1)	(4)	(7)	$ 2													3,563
Ending Balance (Attributable to Parent) at Mar. 31, 2022				49,446	1,962	44,364	3,323	(122)		(15)	(67)																		4,542	762	3,100	680					3,563	1,635	1,928				$ 1
Ending Balance (Attributable to Noncontrolling Interest) at Mar. 31, 2022												1,806																												0
Ending Member's Equity at Mar. 31, 2022													14,182	14,188	(6)										9,517	8,465	8,469	(4)					4,824	4,824
Balance (in shares) at Mar. 31, 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							100,000,000							770,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		$ 722		765			765					(43)
Net income		761														$ 359	359		359																	$ 232	232		232
Net income (loss)		804											272	272										169	169	205	205		$ 100			100	106	106		232
Other comprehensive (loss) income		(26)	[2]	(26)				(31)		6	(1)					2	2				2					2		2
Common stock issuances, including dividend reinvestment and employee benefits																																									$ (10)	$ (10)		$ (10)
Common stock issuances, including dividend reinvestment and employee benefits (in shares)																																											1,000,000
Common stock dividends		(776)		(776)			(776)																										(75)	(75)
Sale of noncontrolling interest		(3)		(13)		(13)						10
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	206										206
Distributions to noncontrolling interest in subsidiaries		(13)										(13)
Other		(2)		(2)		(2)										(2)	(2)	(2)								1	1
Ending Balance (parent) at Mar. 31, 2023		51,951														$ 21,765	$ 21,765	$ 11,830	$ 9,944	$ (1)	$ (6)	$ (2)							4,866							3,905
Ending Balance (Attributable to Parent) at Mar. 31, 2023		49,260		$ 49,260	$ 1,962	$ 44,837	$ 2,626	$ (60)		$ (17)	$ (89)																		$ 4,866	$ 762	$ 3,100	$ 1,004				3,904	$ 3,904	$ 1,635	$ 2,269				$ 1
Ending Balance (Attributable to Noncontrolling Interest) at Mar. 31, 2023		$ 2,691										$ 2,691																								$ 1				$ 1
Ending Member's Equity at Mar. 31, 2023													$ 15,714	$ 15,720	$ (6)									$ 10,478	$ 10,478	$ 9,231	$ 9,237	$ (6)					$ 4,734	$ 4,733	$ 1
Balance (in shares) at Mar. 31, 2023		771,000,000														100													90,000,000							100,000,000							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 benefit of approximately $8 million and income tax expense of approximately $32 million for the three months ended March 31, 2023, and 2022, respectfully.

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