Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2023		Sep. 30, 2022	Sep. 30, 2023		Sep. 30, 2022
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income		$ 1,321		$ 1,413	$ 1,878		$ 3,113
Other Comprehensive Income (Loss), net of tax
Pension and OPEB adjustments	[1]	(1)		(7)	(1)		(3)
Net unrealized gains on cash flow hedges	[1]	200		14	206		276
Reclassification into earnings from cash flow hedges	[1]	24			28		9
Net unrealized gains (losses) on fair value hedges	[1]	15		(8)	30		(20)
Unrealized (losses) gains on available-for-sale securities	[1]	(6)		1	(2)		(20)
Other Comprehensive Income, net of tax		232	[1]	0	261	[1]	242	[1]
Comprehensive Income		1,553		1,413	2,139		3,355
Add: Comprehensive (Income) Loss Attributable to Noncontrolling Interests		(69)		4	(42)		56
Comprehensive Income Attributable to Duke Energy		1,484		1,417	2,097		3,411
Less: Preferred Dividends		39		39	92		92
Comprehensive Income Available to Duke Energy Corporation Common Stockholders		$ 1,445		$ 1,378	$ 2,005		$ 3,319

[1] Net of income tax expense of approximately $69 million for the three months ended September 30, 2023, and approximately $78 million and $72 million for the nine months ended September 30, 2023, and 2022, respectively. All other periods presented include immaterial income tax impacts.