Consolidated Statements of Comprehensive Income - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income		$ (204)	$ 880	$ 557	$ 1,700
Other Comprehensive Income, net of tax
Pension and OPEB adjustments	[1]	1	2		4
Net unrealized gains (losses) on cash flow hedges	[1]	26	149	6	262
Reclassification into earnings from cash flow hedges	[1]	4	4	4	9
Net unrealized gains (losses) on fair value hedges	[1]	26	(12)	15	(12)
Unrealized (losses) gains on available-for-sale securities	[1]	(2)	(8)	4	(21)
Other Comprehensive Income (Loss), net of tax	[1]	55	135	29	242
Comprehensive (Loss) Income		(149)	1,015	586	1,942
Add: Comprehensive (Income) Loss Attributable to Noncontrolling Interests		(16)	23	27	52
Comprehensive Income Attributable to Duke Energy Corporation		(165)	1,038	613	1,994
Less: Preferred Dividends		14	14	53	53
Comprehensive (Loss) Income Available to Duke Energy Corporation Common Stockholders		$ (179)	$ 1,024	$ 560	$ 1,941

[1] Net of income tax expense of approximately $16 million and $40 million for the three months ended June 30, 2023, and 2022, respectively and approximately $9 million and $72 million for the six months ended June 30, 2023, and 2022, respectively.