Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Revenues
Regulated electric	$ 6,732	$ 6,324
Regulated natural gas	866	882
Nonregulated electric and other	73	70
Total operating revenues	7,671	7,276
Operating Expenses
Operation, maintenance and other	1,379	1,310
Depreciation and amortization	1,387	1,227
Property and other taxes	386	389
Impairment of assets and other charges	1	8
Total operating expenses	5,720	5,609
Gains on Sales of Other Assets and Other, net	12	7
Operating Income	1,963	1,674
Other Income and Expenses
Equity in earnings of unconsolidated affiliates	17	20
Other income and expenses, net	169	151
Total other income and expenses	186	171
Interest Expense	817	720
Income From Continuing Operations Before Income Taxes	1,332	1,125
Income Tax Expense From Continuing Operations	178	155
Income From Continuing Operations	1,154	970
Loss From Discontinued Operations, net of tax	(3)	(209)
Net Income	1,151	761
Add: Net (Income) Loss Attributable to Noncontrolling Interests	(13)	43
Net Income Attributable to Duke Energy Corporation	1,138	804
Less: Preferred Dividends	39	39
Net Income Available to Duke Energy Corporation Common Stockholders	$ 1,099	$ 765
Income from continuing operations available to Duke Energy Corporation common stockholders
Basic (in usd per share)	$ 1.44	$ 1.20
Diluted (in usd per share)	1.44	1.20
Loss from discontinued operations attributable to Duke Energy Corporation common stockholders
Basic (in usd per share)	0	(0.19)
Diluted (in usd per share)	0	(0.19)
Net income available to Duke Energy Corporation common stockholders
Basic (in usd per share)	1.44	1.01
Diluted (in usd per share)	$ 1.44	$ 1.01
Weighted Average Shares Outstanding
Basic (in shares)	771	770
Diluted (in shares)	771	770
Fuel used in electric generation and purchased power
Operating Expenses
Cost of sales	$ 2,335	$ 2,377
Cost of natural gas
Operating Expenses
Cost of sales	$ 232	$ 298