Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income		$ 2,874	$ 2,455	$ 3,579
Other Comprehensive Income (Loss), net of tax
Pension and OPEB adjustments	[1]	(1)	(19)	7
Net unrealized gains (losses) on cash flow hedges	[1]	63	285	(68)
Reclassification into earnings from cash flow hedges	[1]	27	(38)	13
Net unrealized gains (losses) on fair value hedges	[1]	37	(33)
Unrealized gains (losses) on available-for-sale securities	[1]	8	(21)	(8)
Other Comprehensive Income (Loss), net of tax	[1]	134	174	(56)
Comprehensive Income		3,008	2,629	3,523
Add: Comprehensive (Income) Loss Attributable to Noncontrolling Interests		(33)	84	319
Comprehensive Income Attributable to Duke Energy Corporation		2,975	2,713	3,842
Less: Preferred Dividends		106	106	106
Comprehensive Income Available to Duke Energy Corporation Common Stockholders		$ 2,869	$ 2,607	$ 3,736

[1] Net of income tax expense of approximately $40 million and $52 million for the years ended December 31, 2023, and 2022, respectively, and income tax benefit of $17 million for the year ended December 31, 2021.