Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income		$ 761	$ 820
Other Comprehensive Income, net of tax
Pension and OPEB adjustments	[1]	(1)	2
Net unrealized gains (losses) on cash flow hedges	[1]	(20)	113
Reclassification into earnings from cash flow hedges	[1]		5
Net unrealized losses on fair value hedges	[1]	(11)
Unrealized (losses) gains on available-for-sale securities	[1]	6	(13)
Other Comprehensive Income (Loss), net of tax	[1]	(26)	107
Comprehensive Income		735	927
Add: Comprehensive Loss Attributable to Noncontrolling Interests		43	29
Comprehensive Income Attributable to Duke Energy Corporation		778	956
Less: Preferred Dividends		39	39
Comprehensive Income Available to Duke Energy Corporation Common Stockholders		$ 739	$ 917

[1] Net of income tax benefit of approximately $8 million and income tax expense of approximately $32 million for the three months ended March 31, 2023, and 2022, respectfully.