Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income		$ 1,151	$ 761
Other Comprehensive Income (Loss), net of tax
Pension and OPEB adjustments	[1]	16	(1)
Net unrealized gains (losses) on cash flow hedges	[1]	91	(20)
Reclassification into earnings from cash flow hedges	[1]	2	0
Net unrealized gains (losses) on fair value hedges	[1]	8	(11)
Unrealized gains on available-for-sale securities	[1]	(2)	6
Other Comprehensive Income (Loss), net of tax	[1]	115	(26)
Comprehensive Income		1,266	735
Add: Comprehensive (Income) Loss Attributable to Noncontrolling Interests		(13)	43
Comprehensive Income Attributable to Duke Energy		1,253	778
Less: Preferred Dividends		39	39
Comprehensive Income Available to Duke Energy Corporation Common Stockholders		$ 1,214	$ 739

[1] Net of income tax expense of approximately $34 million and tax benefit of $8 million for the three months ended March 31, 2024, and 2023, respectively.