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Business Segments (Business Segment Data) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | $ 7,172 | $ 6,578 | $ 14,843 | $ 13,854 |
Income From Continuing Operations | 896 | 714 | 1,998 | 1,624 |
Add: Noncontrolling interests | (21) | (16) | (34) | 27 |
Add: Preferred stock dividend | 14 | 14 | 53 | 53 |
Loss From Discontinued Operations, net of tax | (10) | (948) | (13) | (1,093) |
Net Income (Loss) | 921 | (204) | 2,072 | 557 |
Segment assets | 181,575 |  | 181,575 |  | $ 176,893
Impairment of assets and other charges | 43 | 0 | 44 | 8 |
Operation, maintenance and other | 1,320 | 1,375 | 2,699 | 2,685 |
Duke Energy Ohio |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 608 | 589 | 1,286 | 1,298 |
Income From Continuing Operations | 77 | 71 | 171 | 171 |
Net Income (Loss) |  |  | 171 | 171 |
Segment assets | 12,601 |  | 12,601 |  | $ 12,216
Operation, maintenance and other | 121 | 121 | 247 | 244 |
Total Reportable Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 7,161 | 6,569 | 14,825 | 13,838 |
Electric Utilities and Infrastructure |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 6,802 | 6,232 | 13,587 | 12,613 |
Gas Utilities and Infrastructure |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 359 | 337 | 1,238 | 1,225 |
Operating Segments | Total Reportable Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 7,201 | 6,609 | 14,906 | 13,918 |
Income From Continuing Operations | 1,096 | 875 | 2,401 | 1,953 |
Segment assets | 177,370 |  | 177,370 |  |
Operating Segments | Total Reportable Segments | Duke Energy Ohio |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 608 | 589 | 1,286 | 1,298 |
Income From Continuing Operations | 78 | 72 | 174 | 173 |
Segment assets | 12,423 |  | 12,423 |  |
Operating Segments | Electric Utilities and Infrastructure |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 6,820 | 6,250 | 13,623 | 12,648 |
Income From Continuing Operations | 1,090 | 850 | 2,111 | 1,641 |
Segment assets | 159,770 |  | 159,770 |  |
Operating Segments | Electric Utilities and Infrastructure | Impairment Of Assets And Other Charges |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Income From Continuing Operations | 42 |  | 42 |  |
Operating Segments | Electric Utilities and Infrastructure | Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Income From Continuing Operations | 2 |  | 2 |  |
Operating Segments | Electric Utilities and Infrastructure | Nonoperating Income (Expense) |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Income From Continuing Operations | (11) |  | (11) |  |
Operating Segments | Electric Utilities and Infrastructure | Duke Energy Ohio |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 476 | 465 | 934 | 939 |
Income From Continuing Operations | 69 | 54 | 124 | 103 |
Segment assets | 8,034 |  | 8,034 |  |
Operating Segments | Gas Utilities and Infrastructure |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 381 | 359 | 1,283 | 1,270 |
Income From Continuing Operations | 6 | 25 | 290 | 312 |
Segment assets | 17,600 |  | 17,600 |  |
Operating Segments | Gas Utilities and Infrastructure | Duke Energy Ohio |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 132 | 124 | 352 | 359 |
Income From Continuing Operations | 9 | 18 | 50 | 70 |
Segment assets | 4,389 |  | 4,389 |  |
Other | Other | Duke Energy Ohio |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 0 | 0 | 0 | 0 |
Income From Continuing Operations | (1) | (1) | (3) | (2) |
Segment assets | 13 |  | 13 |  |
Corporate And Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 40 | 34 | 78 | 65 |
Income From Continuing Operations | (200) | (161) | (403) | (329) |
Segment assets | 4,205 |  | 4,205 |  |
Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | (69) | (65) | (141) | (129) |
Income From Continuing Operations | 0 | 0 |  |  |
Segment assets | 0 |  | 0 |  |
Eliminations | Duke Energy Ohio |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 0 |  |  |  |
Income From Continuing Operations | 0 |  |  |  |
Segment assets | 165 |  | 165 |  |
Eliminations | Total Reportable Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 40 | 40 | 81 | 80 |
Eliminations | Electric Utilities and Infrastructure |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 18 | 18 | 36 | 35 |
Eliminations | Gas Utilities and Infrastructure |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 22 | 22 | 45 | 45 |
Eliminations | Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | 29 | 25 | 60 | 49 |
Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Revenues | $ 11 | $ 9 | $ 18 | $ 16 |

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