Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Ohio - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Regulated electric	$ 27,787	$ 26,617	$ 25,759
Regulated natural gas	2,252	2,152	2,724
Total operating revenues	30,357	29,060	28,768
Operating Expenses
Operation, maintenance and other	5,389	5,625	5,734
Depreciation and amortization	5,793	5,253	5,086
Property and other taxes	1,466	1,400	1,466
Impairment of assets and other charges	38	85	434
Total operating expenses	22,457	22,042	22,778
Gains on Sales of Other Assets and Other, net	26	52	22
Operating Income	7,926	7,070	6,012
Other Income and Expenses, net	652	711	505
Interest Expense	3,384	3,014	2,439
Income From Continuing Operations Before Income Taxes	5,194	4,767	4,078
Income Tax Expense From Continuing Operations	590	438	300
Comprehensive Income Attributable to Duke Energy Corporation	4,758	2,975	2,713
Net Income Attributable to Duke Energy Corporation	4,524	2,841	2,550
Fuel used in electric generation and purchased power
Operating Expenses
Cost of sales	9,206	9,086	8,782
Cost of natural gas
Operating Expenses
Cost of sales	565	593	1,276
Duke Energy Ohio
Regulated electric	1,905	1,868	1,798
Regulated natural gas	640	639	716
Total operating revenues	2,545	2,507	2,514
Operating Expenses
Operation, maintenance and other	485	478	523
Depreciation and amortization	403	367	324
Property and other taxes	400	364	369
Impairment of assets and other charges	0	3	(10)
Total operating expenses	1,968	1,983	2,124
Gains on Sales of Other Assets and Other, net	1	1	1
Operating Income	578	525	391
Other Income and Expenses, net	19	41	19
Interest Expense	192	169	129
Income From Continuing Operations Before Income Taxes	405	397	281
Income Tax Expense From Continuing Operations	64	63	(21)
Comprehensive Income Attributable to Duke Energy Corporation	341	334	302
Net Income Attributable to Duke Energy Corporation	341	334	302
Duke Energy Ohio | Fuel used in electric generation and purchased power
Operating Expenses
Cost of sales	538	608	657
Duke Energy Ohio | Cost of natural gas
Operating Expenses
Cost of sales	$ 142	$ 163	$ 261