Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income		$ 880	$ 698	$ 1,700	$ 1,639
Other Comprehensive Income (Loss), net of tax
Pension and OPEB adjustments	[1]	2		4	2
Net unrealized gains (losses) on cash flow hedges	[1]	149	(97)	262	(68)
Reclassification into earnings from cash flow hedges	[1]	4	4	9	7
Net unrealized losses on fair value hedges	[1]	(12)		(12)
Unrealized (losses) gains on available-for-sale securities	[1]	(8)	4	(21)	(4)
Other Comprehensive Income (Loss), net of tax	[1]	135	(89)	242	(63)
Comprehensive Income		1,015	609	1,942	1,576
Add: Comprehensive Loss Attributable to Noncontrolling Interests		23	68	52	112
Comprehensive income		1,038	677	1,994	1,688
Less: Preferred Dividends		14	14	53	53
Comprehensive Income Available to Duke Energy Corporation Common Stockholders		$ 1,024	$ 663	$ 1,941	$ 1,635

[1] Net of income tax impacts of approximately $40 million and $27 million for the three months ended June 30, 2022, and 2021, respectively, and $72 million and $19 million for the six months ended June 30, 2022, and 2021, respectively.