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Business Segments (Business Segment Data) (Details) - USD ($) $ 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
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues | $ 7,212 | $ 7,994 | $ 6,578 | $ 7,276 | $ 7,351 | $ 7,842 | $ 6,564 | $ 7,011 | $ 29,060 | $ 28,768 | $ 24,621
Interest expense |  |  |  |  |  |  |  |  | 3,014 | 2,439 | 2,207
Depreciation and amortization |  |  |  |  |  |  |  |  | 5,253 | 5,086 | 4,762
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 113 | 113 | 62
Income Tax Expense |  |  |  |  |  |  |  |  | 438 | 300 | 268
Segment income (loss) |  |  |  |  |  |  |  |  | 4,126 | 3,659 | 3,602
Less noncontrolling interest |  |  |  |  |  |  |  |  | (33) | 95 | 329
Add back preferred stock dividend |  |  |  |  |  |  |  |  | 106 | 106 | 106
Net (loss) income from discontinued operations attributable to Duke Energy Corporation |  |  |  |  |  |  |  |  | (1,391) | (1,215) | 200
Net income | 996 | $ 1,321 | $ (204) | $ 761 | (658) | $ 1,413 | $ 880 | $ 820 | 2,874 | 2,455 | 3,579
Capital expenditures |  |  |  |  |  |  |  |  | 12,622 | 11,419 | 9,752
Segment assets | 176,893 |  |  |  | 178,086 |  |  |  | 176,893 | 178,086 | 169,587
Operation, maintenance and other |  |  |  |  |  |  |  |  | 5,625 | 5,734 | 5,703
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 85 | 434 | 353
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 4,767 | 4,078 | 3,991
Nonregulated electric and other |  |  |  |  |  |  |  |  | 291 | 285 | 294
Regulated electric |  |  |  |  |  |  |  |  | (26,617) | (25,759) | (22,319)
Income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 33 | (95) | (329)
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  | 6,084 | 5,843 | 5,663
Losses on sales of other assets |  |  |  |  |  |  |  |  | 52 | 22 | 13
Duke Energy Indiana |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 3,399 | 3,922 | 3,174
Interest expense |  |  |  |  |  |  |  |  | 213 | 189 | 196
Depreciation and amortization |  |  |  |  |  |  |  |  | 666 | 645 | 615
Income Tax Expense |  |  |  |  |  |  |  |  | 110 | (24) | 107
Segment assets | 14,811 |  |  |  | 14,654 |  |  |  | 14,811 | 14,654 |
Operation, maintenance and other |  |  |  |  |  |  |  |  | 713 | 729 | 750
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  | 388 | 9
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 607 | 113 | 588
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  | 669 | 648 | 619
Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 2,507 | 2,514 | 2,037
Interest expense |  |  |  |  |  |  |  |  | 169 | 129 | 111
Depreciation and amortization |  |  |  |  |  |  |  |  | 367 | 324 | 307
Income Tax Expense |  |  |  |  |  |  |  |  | 63 | (21) | 30
Segment income (loss) |  |  |  |  |  |  |  |  | 334 | 302 | 204
Capital expenditures |  |  |  |  |  |  |  |  | 939 | 850 | 848
Segment assets | 12,216 |  |  |  | 11,506 |  |  |  | 12,216 | 11,506 | 10,774
Operation, maintenance and other |  |  |  |  |  |  |  |  | 478 | 523 | 479
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 3 | (10) | 25
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 397 | 281 | 234
Regulated electric |  |  |  |  |  |  |  |  | (1,868) | (1,798) | (1,493)
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  | 371 | 328 | 311
Duke Energy Carolinas |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 8,288 | 7,857 | 7,102
Interest expense |  |  |  |  |  |  |  |  | 686 | 557 | 538
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,593 | 1,526 | 1,468
Income Tax Expense |  |  |  |  |  |  |  |  | 141 | 126 | 51
Segment assets | 52,110 |  |  |  | 50,346 |  |  |  | 52,110 | 50,346 |
Operation, maintenance and other |  |  |  |  |  |  |  |  | 1,774 | 1,892 | 1,833
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 44 | 26 | 227
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 1,611 | 1,726 | 1,387
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  | 1,845 | 1,787 | 1,743
Losses on sales of other assets |  |  |  |  |  |  |  |  | 26 | 4 | 2
Duke Energy Progress |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 6,488 | 6,753 | 5,780
Interest expense |  |  |  |  |  |  |  |  | 427 | 354 | 306
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,266 | 1,187 | 1,097
Income Tax Expense |  |  |  |  |  |  |  |  | 149 | 158 | 75
Segment assets | 36,924 |  |  |  | 36,752 |  |  |  | 36,924 | 36,752 |
Operation, maintenance and other |  |  |  |  |  |  |  |  | 1,379 | 1,475 | 1,467
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 29 | 7 | 63
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 1,147 | 1,166 | 1,066
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  | 1,460 | 1,371 | 1,286
Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 37 | 30 | 29
Corporate And Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 134 | 122 | 113
Interest expense |  |  |  |  |  |  |  |  | 1,097 | 778 | 643
Depreciation and amortization |  |  |  |  |  |  |  |  | 248 | 236 | 236
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 66 | 86 | 47
Income Tax Expense |  |  |  |  |  |  |  |  | (420) | (244) | (281)
Segment income (loss) |  |  |  |  |  |  |  |  | (616) | (737) | (641)
Capital expenditures |  |  |  |  |  |  |  |  | 995 | 1,139 | 828
Segment assets | 4,095 |  |  |  | 9,571 |  |  |  | 4,095 | 9,571 | 10,567
Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | (261) | (218) | (207)
Interest expense |  |  |  |  |  |  |  |  | (150) | (86) | (10)
Depreciation and amortization |  |  |  |  |  |  |  |  | (28) | (27) | (28)
Segment income (loss) |  |  |  |  |  |  |  |  |  | (1) | (3)
Eliminations | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment assets | (121) |  |  |  | (176) |  |  |  | (121) | (176) | (29)
Total Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 29,023 | 28,738 | 24,592
Total Reportable Segments | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 29,187 | 28,864 | 24,715
Interest expense |  |  |  |  |  |  |  |  | 2,067 | 1,747 | 1,574
Depreciation and amortization |  |  |  |  |  |  |  |  | 5,033 | 4,877 | 4,554
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 47 | 27 | 15
Income Tax Expense |  |  |  |  |  |  |  |  | 858 | 544 | 549
Segment income (loss) |  |  |  |  |  |  |  |  | 4,742 | 4,397 | 4,246
Capital expenditures |  |  |  |  |  |  |  |  | 11,627 | 10,280 | 8,924
Segment assets | 172,798 |  |  |  | 168,515 |  |  |  | 172,798 | 168,515 | 159,020
Total Reportable Segments | Operating Segments | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 2,507 | 2,514 | 2,037
Interest expense |  |  |  |  |  |  |  |  | 169 | 129 | 111
Depreciation and amortization |  |  |  |  |  |  |  |  | 367 | 324 | 307
Income Tax Expense |  |  |  |  |  |  |  |  | 65 | (19) | 34
Segment income (loss) |  |  |  |  |  |  |  |  | 343 | 310 | 219
Capital expenditures |  |  |  |  |  |  |  |  | 939 | 850 | 848
Segment assets | 12,324 |  |  |  | 11,668 |  |  |  | 12,324 | 11,668 | 10,774
Total Reportable Segments | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 164 | 126 | 123
Electric Utilities and Infrastructure |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 26,846 | 25,990 | 22,570
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 7 | 7 | 7
Electric Utilities and Infrastructure | Duke Energy Carolinas |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 35 |  |
Electric Utilities and Infrastructure | Duke Energy Progress |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 33 |  |
Electric Utilities and Infrastructure | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 26,921 | 26,024 | 22,603
Interest expense |  |  |  |  |  |  |  |  | 1,850 | 1,565 | 1,432
Depreciation and amortization |  |  |  |  |  |  |  |  | 4,684 | 4,550 | 4,251
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 7 | 7 | 7
Income Tax Expense |  |  |  |  |  |  |  |  | 742 | 536 | 494
Segment income (loss) |  |  |  |  |  |  |  |  | 4,223 | 3,929 | 3,850
Capital expenditures |  |  |  |  |  |  |  |  | 10,135 | 8,985 | 7,653
Segment assets | 155,449 |  |  |  | 152,104 |  |  |  | 155,449 | 152,104 | 143,841
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Indiana |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  | 386 |
Regulated electric |  |  |  |  |  |  |  |  |  | 46 |
Income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  | 34 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 1,868 | 1,798 | 1,493
Interest expense |  |  |  |  |  |  |  |  | 116 | 86 | 87
Depreciation and amortization |  |  |  |  |  |  |  |  | 257 | 221 | 217
Income Tax Expense |  |  |  |  |  |  |  |  | 42 | 24 | 15
Segment income (loss) |  |  |  |  |  |  |  |  | 227 | 189 | 141
Capital expenditures |  |  |  |  |  |  |  |  | 520 | 488 | 486
Segment assets | 7,978 |  |  |  | 7,504 |  |  |  | 7,978 | 7,504 | 6,882
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  | 3
Operation, maintenance and other |  |  |  |  |  |  |  |  |  |  | 5
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 160
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  | 77
Regulated electric |  |  |  |  |  |  |  |  |  |  | (13)
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  |  |  | 6
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Operation, Maintenance and Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment income (loss) |  |  |  |  |  |  |  |  | 8 |  |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  |  |  |  |  | 5
Operation, maintenance and other |  |  |  |  |  |  |  |  |  |  | 7
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 42
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  |  | 34
Regulated electric |  |  |  |  |  |  |  |  |  |  | (15)
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  |  |  | 1
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Operation, Maintenance and Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment income (loss) |  |  |  |  |  |  |  |  | 8 |  |
Electric Utilities and Infrastructure | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 75 | 34 | 33
Gas Utilities and Infrastructure |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 2,177 | 2,748 | 2,022
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 40 | 21 | 8
Gas Utilities and Infrastructure | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 2,266 | 2,840 | 2,112
Interest expense |  |  |  |  |  |  |  |  | 217 | 182 | 142
Depreciation and amortization |  |  |  |  |  |  |  |  | 349 | 327 | 303
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 40 | 20 | 8
Income Tax Expense |  |  |  |  |  |  |  |  | 116 | 8 | 55
Segment income (loss) |  |  |  |  |  |  |  |  | 519 | 468 | 396
Capital expenditures |  |  |  |  |  |  |  |  | 1,492 | 1,295 | 1,271
Segment assets | 17,349 |  |  |  | 16,411 |  |  |  | 17,349 | 16,411 | 15,179
Gas Utilities and Infrastructure | Operating Segments | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 639 | 716 | 544
Interest expense |  |  |  |  |  |  |  |  | 53 | 43 | 24
Depreciation and amortization |  |  |  |  |  |  |  |  | 110 | 103 | 90
Income Tax Expense |  |  |  |  |  |  |  |  | 23 | (43) | 19
Segment income (loss) |  |  |  |  |  |  |  |  | 116 | 121 | 78
Capital expenditures |  |  |  |  |  |  |  |  | 419 | 362 | 362
Segment assets | 4,346 |  |  |  | 4,164 |  |  |  | 4,346 | 4,164 | 3,892
Gas Utilities and Infrastructure | Operating Segments | Gas Pipeline Assets |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  |  |  | 20
Gas Utilities and Infrastructure | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | 89 | 92 | 90
Other | Other | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income Tax Expense |  |  |  |  |  |  |  |  | (2) | (2) | (4)
Segment income (loss) |  |  |  |  |  |  |  |  | (9) | (8) | (15)
Segment assets | $ 13 |  |  |  | $ 14 |  |  |  | 13 | 14 | 29
Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operation, maintenance and other |  |  |  |  |  |  |  |  |  | 71 |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 14 |  |
Other | Operation, Maintenance and Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment income (loss) |  |  |  |  |  |  |  |  | 110 |  |
Other | Business Transformation |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Losses on sales of other assets |  |  |  |  |  |  |  |  |  | 7 |
Other | Litigation |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operation, maintenance and other |  |  |  |  |  |  |  |  |  | 25 |
Other | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  | 72 |
Other | Operating Segments | Business Transformation |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operation, maintenance and other |  |  |  |  |  |  |  |  |  |  | 42
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 133
Depreciation, amortization and accretion (including amortization of nuclear fuel) |  |  |  |  |  |  |  |  |  |  | 17
Other | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues |  |  |  |  |  |  |  |  | $ 97 | $ 92 | $ 84

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- Definition Impairment Of Assets And Other Charges + References No definition available. + Details
Name: | duk_ImpairmentOfAssetsAndOtherCharges
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