Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Revenues
Regulated electric	$ 7,374	$ 6,495	$ 19,381	$ 16,972
Regulated natural gas	397	263	1,824	1,314
Nonregulated electric and other	197	193	580	573
Total operating revenues	7,968	6,951	21,785	18,859
Operating Expenses
Operation, maintenance and other	1,394	1,507	4,471	4,319
Depreciation and amortization	1,364	1,265	3,986	3,698
Property and other taxes	378	371	1,149	1,073
Impairment (reversal) of assets and other charges	(4)	211	202	342
Total operating expenses	5,950	5,273	17,085	14,564
Gains (Losses) on Sales of Other Assets and Other, net	6	9	16	11
Operating Income	2,024	1,687	4,716	4,306
Other Income and Expenses
Equity in earnings of unconsolidated affiliates	26	22	87	14
Other income and expenses, net	89	238	293	493
Total other income and expenses	115	260	380	507
Interest Expense	621	581	1,815	1,688
Income From Continuing Operations Before Income Taxes	1,518	1,366	3,281	3,125
Income Tax Expense From Continuing Operations	128	90	191	210
Income From Continuing Operations	1,390	1,276	3,090	2,915
Income From Discontinued Operations, net of tax	23	0	23	0
Net Income	1,413	1,276	3,113	2,915
Add: Net Loss Attributable to Noncontrolling Interests	9	129	73	247
Net Income Attributable to Duke Energy Corporation	1,422	1,405	3,186	3,162
Less: Preferred Dividends	39	39	92	92
Net Income Available to Duke Energy Corporation Common Stockholders	$ 1,383	$ 1,366	$ 3,094	$ 3,070
Income from continuing operations available to Duke Energy Corporation common stockholders
Basic (in usd per share)	$ 1.78	$ 1.79	$ 4.00	$ 4.00
Diluted (in usd per share)	1.78	1.79	4.00	4.00
Income from discontinued operations attributable to Duke Energy Corporation common stockholders
Basic (in usd per share)	0.03	0	0.03	0
Diluted (in usd per share)	0.03	0	0.03	0
Net income available to Duke Energy Corporation common stockholders
Basic (in usd per share)	1.81	1.79	4.03	4.00
Diluted (in usd per share)	$ 1.81	$ 1.79	$ 4.03	$ 4.00
Weighted Average Shares Outstanding
Basic (in shares)	770	769	770	769
Diluted (in shares)	770	769	770	769
Fuel used in electric generation and purchased power
Operating Expenses
Fuel used in electric generation and purchased power/Cost of natural gas	$ 2,629	$ 1,844	$ 6,418	$ 4,702
Cost of natural gas
Operating Expenses
Fuel used in electric generation and purchased power/Cost of natural gas	$ 189	$ 75	$ 859	$ 430