Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021		Sep. 30, 2022		Sep. 30, 2021
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income		$ 1,413	$ 1,276		$ 3,113		$ 2,915
Other Comprehensive Income (Loss), net of tax
Pension and OPEB adjustments	[1]	(7)	1		(3)		3
Net unrealized gains (losses) on cash flow hedges	[1]	14	9		276		(59)
Reclassification into earnings from cash flow hedges	[1]		2		9		9
Net unrealized losses on fair value hedges	[1]	(8)			(20)
Unrealized gains (losses) on available-for-sale securities	[1]	1	(2)		(20)		(6)
Other Comprehensive Income (Loss), net of tax		0	10	[1]	242	[1]	(53)	[1]
Comprehensive Income		1,413	1,286		3,355		2,862
Add: Comprehensive Loss Attributable to Noncontrolling Interests		4	128		56		240
Comprehensive income		1,417	1,414		3,411		3,102
Less: Preferred Dividends		39	39		92		92
Comprehensive Income Available to Duke Energy Corporation Common Stockholders		$ 1,378	$ 1,375		$ 3,319		$ 3,010

[1] Net of income tax expense of approximately $72 million for the nine months ended September, 30, 2022 and income tax benefit of $16 million for the nine months ended September 30, 2021. All other periods presented include immaterial income tax impacts.