Condensed Consolidated Statements of Operations and Comprehensive Income - Duke Energy Indiana - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Revenues	$ 29,060	$ 28,768	$ 24,621
Operating Expenses
Operation, maintenance and other	5,625	5,734	5,703
Depreciation and amortization	5,253	5,086	4,762
Property and other taxes	1,400	1,466	1,355
Impairment of assets and other charges	85	434	353
Total operating expenses	22,042	22,778	19,133
Operating Income	7,070	6,012	5,500
Other Income and Expenses, net	711	505	698
Interest Expense	3,014	2,439	2,207
Income From Continuing Operations Before Income Taxes	4,767	4,078	3,991
Income Tax Expense From Continuing Operations	438	300	268
Comprehensive Income Attributable to Duke Energy Corporation	2,975	2,713	3,842
Net Income Attributable to Duke Energy Corporation	2,841	2,550	3,908
Duke Energy Indiana
Operating Revenues	3,399	3,922	3,174
Operating Expenses
Cost of sales	1,217	1,819	985
Operation, maintenance and other	713	729	750
Depreciation and amortization	666	645	615
Property and other taxes	59	75	73
Impairment of assets and other charges		388	9
Total operating expenses	2,655	3,656	2,432
Operating Income	744	266	742
Other Income and Expenses, net	76	36	42
Interest Expense	213	189	196
Income From Continuing Operations Before Income Taxes	607	113	588
Income Tax Expense From Continuing Operations	110	(24)	107
Comprehensive Income Attributable to Duke Energy Corporation	497	137	481
Net Income Attributable to Duke Energy Corporation	$ 497	$ 137	$ 481