Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Revenues
Regulated electric									$ 26,617	$ 25,759	$ 22,319
Regulated natural gas									2,152	2,724	2,008
Nonregulated electric and other									291	285	294
Total operating revenues	$ 7,212	$ 7,994	$ 6,578	$ 7,276	$ 7,351	$ 7,842	$ 6,564	$ 7,011	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
Gains on Sales of Other Assets and Other, net									52	22	12
Operating Income	1,855	2,111	1,430	1,674	1,194	2,056	1,448	1,314	7,070	6,012	5,500
Other Income and Expenses
Equity in earnings of unconsolidated affiliates									113	113	62
Other income and expenses, net									598	392	636
Total other income and expenses									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
Income From Continuing Operations	1,135	1,473	751	970	635	1,410	898	835	4,329	3,778	3,723
(Loss) Income from discontinued operations, net of tax	(139)	(152)	(955)	(209)	(1,293)	3	(18)	(15)	(1,455)	(1,323)	(144)
Net Income	996	1,321	(204)	761	(658)	1,413	880	820	2,874	2,455	3,579
Add: Net (Income) Loss Attributable to Noncontrolling Interests									(33)	95	329
Net Income Attributable to Duke Energy Corporation									2,841	2,550	3,908
Less: Preferred Dividends									106	106	106
Net Income Available to Duke Energy Corporation Common Stockholders	$ 991	$ 1,213	$ (234)	$ 765	$ (650)	$ 1,383	$ 893	$ 818	$ 2,735	$ 2,444	$ 3,802
Income from continuing operations available to Duke Energy Corporation common stockholders
Diluted (usd per share)	$ 1.41	$ 1.83	$ 0.91	$ 1.20	$ 0.80	$ 1.78	$ 1.11	$ 1.06	$ 5.35	$ 4.74	$ 4.68
Basic (usd per share)	1.41	1.83	0.91	1.20	0.80	1.78	1.11	1.06	5.35	4.74	4.68
(Loss) Earnings Per Share from discontinued operations attributable to Duke Energy common stockholders
Basic (usd per share)									(1.81)	(1.57)	0.26
Diluted (usd per share)									(1.81)	(1.57)	0.26
Net income available to Duke Energy Corporation common stockholders
Basic (usd per share)	1.27	1.59	(0.32)	1.01	(0.86)	1.81	1.14	1.08	3.54	3.17	4.94
Diluted (usd per share)	$ 1.27	$ 1.59	$ (0.32)	$ 1.01	$ (0.86)	$ 1.81	$ 1.14	$ 1.08	$ 3.54	$ 3.17	$ 4.94
Weighted average shares outstanding
Basic (in shares)									771	770	769
Diluted (in shares)									771	770	769
Fuel used in electric generation and purchased power
Operating Expenses
Cost of sales									$ 9,086	$ 8,782	$ 6,255
Cost of natural gas
Operating Expenses
Cost of sales									$ 593	$ 1,276	$ 705