Consolidated Statements of Changes in Equity - USD ($) $ in Millions		Total		Common Stockholders' Equity		Preferred Stock	Common Stock	Additional Paid In Capital		Retained Earnings		Net Gains (Losses) on Cash Flow 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, 2019		$ 47,951																					$ 15,593																				$ 2,443
Beginning Members' Equity at Dec. 31, 2019																		$ 12,811		$ 12,818		$ (7)										$ 9,246	$ 6,788	$ 6,789	$ (1)					$ 4,575	$ 4,575
Ending Balance (Attributable to Parent) at Dec. 31, 2020				$ 47,964		$ 1,962	$ 1	$ 43,767		$ 2,471		$ (167)		$ 6	$ (76)									$ 16,237	$ 9,143	$ 7,109	$ (5)	$ (2)	$ (8)							$ 3,935	$ 762	$ 2,776	$ 397					$ 2,715	$ 1,310	$ 1,405
Beginning Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2019																$ 1,129														$ 3																	$ 0
Beginning Balance (Attributable to Parent) at Dec. 31, 2019				46,822		1,962	1	40,881		4,108		(51)		3	(82)									15,590	9,143	6,465	(10)	(1)	(7)							3,683	762	2,776	145					2,443	1,310	1,133
Balance (in shares) at Dec. 31, 2019																																																		733,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		975														(295)
Net income		1,082																					1,046	1,045		1,045				1													273	273		273
Net income (loss)		1,377		1,270						1,270								956		956			1,045								$ 415	415	771	771		252			252	408	408		273
Other comprehensive (loss) income		(118)	[2]	(107)								(116)		3	6	(11)							3	3			5	(1)	(1)				(1)		(1)
Common stock issuances, including dividend reinvestment and employee benefits																																																$ 2,902	$ 2,902		$ 2,902
Common stock issuances, including dividend reinvestment and employee benefits (in shares)																																																		36,000,000
Common stock dividends		(2,815)		(2,815)						(2,815)								(600)		(600)			(400)	(400)		(400)						(400)								(200)	(200)
Contribution from noncontrolling interest, net of transaction costs(a)		409	[3]	(17)	[3]			(17)	[3]							426	[3]															(1)
Distributions to noncontrolling interest in subsidiaries		(30)														(30)
Other		(90)	[4]	(91)	[4]			1	[4]	(92)	[4]					1	[4]	(13)	[5]	(13)	[5]		(1)	(1)		(1)																	(1)	(1)		(1)
Ending Balance (parent) at Dec. 31, 2020		49,184																					16,241																				2,715
Ending Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2020																1,220														4																	0
Ending Member's Equity at Dec. 31, 2020																		13,154		13,161		(7)										9,260	7,558	7,560	(2)					4,783	4,783
Balance (in shares) at Dec. 31, 2020																																																		769,000,000
Ending Balance (Attributable to Parent) at Dec. 31, 2021		49,296		49,296		1,962	1	44,371		3,265		(232)		(2)	(69)								17,145	17,145	9,149	8,007	(2)	(2)	(7)							4,464	762	3,100	602				3,349	3,349	1,635	1,714
Beginning Balance (Attributable to Parent) at Dec. 31, 2020				47,964		1,962	1	43,767		2,471		(167)		6	(76)									16,237	9,143	7,109	(5)	(2)	(8)							3,935	762	2,776	397					2,715	1,310	1,405
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		3,473														(329)
Net income		3,579																					1,599	1,598		1,598				1													310	310		310
Net income (loss)		3,908		3,802						3,802								1,336		1,336			1,598								991	991	738	738		204			204	481	481		310
Other comprehensive (loss) income		(56)	[2]	(66)								(65)		(8)	7	10		1				1	4	4			3		1				(1)		(1)
Common stock issuances, including dividend reinvestment and employee benefits																																																68	68		68
Common stock dividends		(3,008)		(3,008)						(3,008)								(600)		(600)			(700)	(700)		(700)						(700)								(250)	(250)
Sale of noncontrolling interest	[6]	999		545				545								454
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	550														550
Distributions to noncontrolling interest in subsidiaries		(66)														(66)							(1)							(1)
Contribution from parent																																				$ 325		325					325	325	325
Other		(8)		(9)				(9)								1							5	6	6					(1)								(1)	1	1	1		(1)	(1)		(1)
Ending Balance (parent) at Dec. 31, 2021		51,136																					17,148																				$ 3,349
Ending Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2021		$ 1,840														1,840							$ 3							3																	0
Ending Member's Equity at Dec. 31, 2021																		13,891		13,897		(6)									9,551	9,551	8,295	8,298	(3)					5,015	5,015
Balance (in shares) at Dec. 31, 2021		769,000,000																					100													90,000,000							100							769,000,000
Ending Balance (Attributable to Parent) at Dec. 31, 2022		$ 49,322		49,322		1,962	1	44,862		2,637		(29)		(23)	(88)								$ 21,406	21,406	11,832	9,585	(1)	(8)	(2)							$ 4,766	762	3,100	904				$ 3,672	3,672	1,635	2,037
Beginning Balance (Attributable to Parent) at Dec. 31, 2021		49,296		49,296		$ 1,962	$ 1	44,371		3,265		(232)		(2)	(69)								17,145	17,145	9,149	8,007	(2)	(2)	(7)							4,464	$ 762	$ 3,100	602				3,349	3,349	$ 1,635	1,714
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		2,349														(95)
Net income		2,455																					1,828	1,828		1,828																	323	$ 323		$ 323
Net income (loss)		2,550		2,444						2,444								1,600		1,600			1,828								1,008	1,008	909	909		$ 302			$ 302	137	137		323
Other comprehensive (loss) income		174	[2]	163								$ 203		$ (21)	$ (19)	11							0				$ 1	$ (6)	$ 5				(5)		(5)
Common stock issuances, including dividend reinvestment and employee benefits																																																$ 76	$ 76		$ 76
Common stock issuances, including dividend reinvestment and employee benefits (in shares)																																																		1,000,000
Common stock dividends		(3,073)		(3,073)						(3,073)								(50)		(50)			(425)	(425)	(175)	$ (250)						(250)	(175)	(175)						(450)	(450)
Sale of noncontrolling interest	[6]	1,034		465				465								569
Contribution from noncontrolling interest, net of transaction costs(a)	[3]	314														314
Distributions to noncontrolling interest in subsidiaries		(140)														(140)							(34)							(34)
Equitization of certain notes payable to affiliates																							2,907	2,907	2,907
Purchase of a noncontrolling interest		(20)		(51)				(51)								31							(20)	(51)	(51)					31
Other		3		$ 2				$ 1		$ 1						1		1		1			2	$ 2	$ 2								(1)	(1)						1		$ 1	1				1
Ending Balance (parent) at Dec. 31, 2022		51,853																					$ 21,406																				3,673
Ending Balance (Attributable to Noncontrolling Interest) at Dec. 31, 2022		$ 2,531														$ 2,531														$ 0													$ 1				$ 1
Ending Member's Equity at Dec. 31, 2022																		$ 15,442		$ 15,448		$ (6)									$ 10,309	$ 10,309	$ 9,023	$ 9,031	$ (8)					$ 4,703	$ 4,702	$ 1
Balance (in shares) at Dec. 31, 2022		770,000,000																					100													90,000,000							100							770,000,000

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

[2] Net of income tax expense of approximately $52 million for the year ended December 31, 2022, and income tax benefit of approximately $17 million and $35 million for the years ended December 31, 2021, and 2020, respectively.

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

[4] Amounts in Retained earnings primarily represent impacts due to implementation of a new accounting standard related to Current Estimated Credit Losses. See Note 1 for additional discussion.

[5] Amounts primarily represent impacts due to implementation of a new accounting standard related to Credit Losses. See Note 1 for additional discussion.

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