Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenues
Regulated electric	$ 7,640	$ 7,373	$ 20,140	$ 19,381
Regulated natural gas	284	397	1,497	1,824
Nonregulated electric and other	70	72	211	212
Total operating revenues	7,994	7,842	21,848	21,417
Operating Expenses
Operation, maintenance and other	1,428	1,308	4,113	4,223
Depreciation and amortization	1,353	1,299	3,913	3,793
Property and other taxes	394	368	1,136	1,118
Impairment of assets and other charges	88	(4)	96	202
Total operating expenses	5,891	5,792	16,679	16,616
Gains on Sales of Other Assets and Other, net	8	6	46	17
Operating Income	2,111	2,056	5,215	4,818
Other Income and Expenses
Equity in earnings of unconsolidated affiliates	45	28	85	92
Other income and expenses, net	133	87	431	290
Total other income and expenses	178	115	516	382
Interest Expense	774	603	2,221	1,760
Income From Continuing Operations Before Income Taxes	1,515	1,568	3,510	3,440
Income Tax Expense From Continuing Operations	42	158	316	297
Income From Continuing Operations	1,473	1,410	3,194	3,143
(Loss) Income From Discontinued Operations, net of tax	(152)	3	(1,316)	(30)
Net Income	1,321	1,413	1,878	3,113
Add: Net (Income) Loss Attributable to Noncontrolling Interests	(69)	9	(42)	73
Net Income Attributable to Duke Energy Corporation	1,252	1,422	1,836	3,186
Less: Preferred Dividends	39	39	92	92
Net Income Available to Duke Energy Corporation Common Stockholders	$ 1,213	$ 1,383	$ 1,744	$ 3,094
Income from continuing operations available to Duke Energy Corporation common stockholders
Basic (in usd per share)	$ 1.83	$ 1.78	$ 3.94	$ 3.95
Diluted (in usd per share)	1.83	1.78	3.94	3.95
(Loss) Income from discontinued operations attributable to Duke Energy Corporation common stockholders
Basic (in usd per share)		0.03		0.08
Diluted (in usd per share)		0.03		0.08
Net income available to Duke Energy Corporation common stockholders
Basic (in usd per share)	1.59	1.81	2.27	4.03
Diluted (in usd per share)	$ 1.59	$ 1.81	$ 2.27	$ 4.03
Weighted Average Shares Outstanding
Basic (in shares)	771	770	771	770
Diluted (in shares)	771	770	771	770
Fuel used in electric generation and purchased power
Operating Expenses
Cost of sales	$ 2,571	$ 2,632	$ 6,987	$ 6,421
Cost of natural gas
Operating Expenses
Cost of sales	$ 57	$ 189	$ 434	$ 859