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Business Segments (Business Segment Data) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 7,351 | $ 7,842 | $ 6,564 | $ 7,011 | $ 6,117 | $ 6,834 | $ 5,638 | $ 6,032 | $ 28,768 | $ 24,621 | $ 23,366
Interest expense |  |  |  |  |  |  |  |  | 2,439 | 2,207 | 2,097
Depreciation and amortization |  |  |  |  |  |  |  |  | 5,086 | 4,762 | 4,504
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 113 | 62 | (2,005)
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 300 | 268 | (169)
Segment income (loss) |  |  |  |  |  |  |  |  | 3,659 | 3,602 | 981
Less noncontrolling interest |  |  |  |  |  |  |  |  | 95 | 329 | 295
Add back preferred stock dividend |  |  |  |  |  |  |  |  | 106 | 106 | 107
Net income from discontinued operations attributable to Duke Energy Corporation |  |  |  |  |  |  |  |  | (1,215) | 200 | 289
Loss from discontinued operations, net of tax | (1,293) | 3 | (18) | (15) | (36) | (57) | (25) | (26) | (1,323) | (144) | (7)
Net income | (658) | $ 1,413 | $ 880 | $ 820 | 664 | $ 1,276 | $ 698 | $ 941 | 2,455 | 3,579 | 1,082
Net loss attributable to Duke Energy |  |  |  |  |  |  |  |  | 2,550 | 3,908 | 1,377
Capital expenditures |  |  |  |  |  |  |  |  | 11,419 | 9,752 | 10,421
Segment assets | 178,086 |  |  |  | 169,587 |  |  |  | 178,086 | 169,587 | 162,388
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 4,078 | 3,991 | 920
Nonregulated electric and other |  |  |  |  |  |  |  |  | 285 | 294 | 263
Regulated electric |  |  |  |  |  |  |  |  | (25,759) | (22,319) | (21,461)
Income (loss) attributable to noncontrolling interest |  |  |  |  |  |  |  |  | (95) | (329) | (295)
Duke Energy Indiana |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 3,922 | 3,174 | 2,795
Interest expense |  |  |  |  |  |  |  |  | 189 | 196 | 161
Depreciation and amortization |  |  |  |  |  |  |  |  | 645 | 615 | 569
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | (24) | 107 | 84
Net loss attributable to Duke Energy |  |  |  |  |  |  |  |  | 137 | 481 | 408
Segment assets | 14,654 |  |  |  | 14,488 |  |  |  | 14,654 | 14,488 |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 113 | 588 | 492
Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,514 | 2,037 | 1,858
Interest expense |  |  |  |  |  |  |  |  | 129 | 111 | 102
Depreciation and amortization |  |  |  |  |  |  |  |  | 324 | 307 | 278
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | (21) | 30 | 43
Segment income (loss) |  |  |  |  |  |  |  |  | 302 | 204 | 252
Net loss attributable to Duke Energy |  |  |  |  |  |  |  |  | 302 | 204 | 252
Capital expenditures |  |  |  |  |  |  |  |  | 850 | 848 | 834
Segment assets | 11,506 |  |  |  | 10,774 |  |  |  | 11,506 | 10,774 | 10,025
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | (10) | 25 |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 281 | 234 | 295
Regulated electric |  |  |  |  |  |  |  |  | (1,798) | (1,493) | (1,405)
Duke Energy Carolinas |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 7,857 | 7,102 | 7,015
Interest expense |  |  |  |  |  |  |  |  | 557 | 538 | 487
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,526 | 1,468 | 1,462
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 126 | 51 | 88
Net loss attributable to Duke Energy |  |  |  |  |  |  |  |  | 1,600 | 1,336 | 956
Segment assets | 50,346 |  |  |  | 47,162 |  |  |  | 50,346 | 47,162 |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 1,726 | 1,387 | 1,044
Duke Energy Progress |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 6,753 | 5,780 | 5,422
Interest expense |  |  |  |  |  |  |  |  | 354 | 306 | 269
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,187 | 1,097 | 1,116
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 158 | 75 | (36)
Net loss attributable to Duke Energy |  |  |  |  |  |  |  |  | 1,008 | 991 | 415
Segment assets | 36,752 |  |  |  | 35,383 |  |  |  | 36,752 | 35,383 |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 1,166 | 1,066 | 379
Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (218) | (207) | (201)
Interest expense |  |  |  |  |  |  |  |  | (86) | (10) | (15)
Depreciation and amortization |  |  |  |  |  |  |  |  | (27) | (28) | (29)
Segment income (loss) |  |  |  |  |  |  |  |  | (1) | (3) | (4)
Segment assets |  |  |  |  |  |  |  |  |  |  | 0
Eliminations | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Segment assets | (176) |  |  |  | (29) |  |  |  | (176) | (29) | (2)
Electric Utilities and Infrastructure |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 25,990 | 22,570 | 21,687
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 7 | 7 | (1)
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 948
Reduction of prior year impairment |  |  |  |  |  |  |  |  |  |  | 152
Shareholder contribution expense |  |  |  |  |  |  |  |  |  |  | 16
Electric Utilities and Infrastructure | 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 | Gas Pipeline Assets |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 5
Electric Utilities and Infrastructure | Clemson University Combined Heat and Power Plant |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 19
Electric Utilities and Infrastructure | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 26,024 | 22,603 | 21,720
Interest expense |  |  |  |  |  |  |  |  | 1,565 | 1,432 | 1,320
Depreciation and amortization |  |  |  |  |  |  |  |  | 4,550 | 4,251 | 4,068
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 7 | 7 | (1)
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 536 | 494 | 340
Segment income (loss) |  |  |  |  |  |  |  |  | 3,929 | 3,850 | 2,669
Capital expenditures |  |  |  |  |  |  |  |  | 8,985 | 7,653 | 7,629
Segment assets | 152,104 |  |  |  | 143,841 |  |  |  | 152,104 | 143,841 | 138,225
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,798 | 1,493 | 1,405
Interest expense |  |  |  |  |  |  |  |  | 86 | 87 | 85
Depreciation and amortization |  |  |  |  |  |  |  |  | 221 | 217 | 200
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 24 | 15 | 19
Segment income (loss) |  |  |  |  |  |  |  |  | 189 | 141 | 162
Capital expenditures |  |  |  |  |  |  |  |  | 488 | 486 | 548
Segment assets | 7,504 |  |  |  | 6,882 |  |  |  | 7,504 | 6,882 | 6,615
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Impairment Charges |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  | 160 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Other Income and Expense |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 77 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Operation, Maintenance and Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 5 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Regulated Operating Revenue, Electric, Non-Nuclear |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 13 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Interest Expense |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 3 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Carolinas | Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 6 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Impairment Charges |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  | 42 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Other Income and Expense |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 34 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Operation, Maintenance and Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 7 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Regulated Operating Revenue, Electric, Non-Nuclear |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 15 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Interest Expense |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 5 |
Electric Utilities and Infrastructure | Operating Segments | Duke Energy Progress | Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 1 |
Electric Utilities and Infrastructure | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 34 | 33 | 33
Gas Utilities and Infrastructure |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,748 | 2,022 | 1,653
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 21 | 8 | (2,017)
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  |  |  | 7
Gas Utilities and Infrastructure | After-tax impairment charge |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  |  |  | 2,100
Gas Utilities and Infrastructure | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,840 | 2,112 | 1,748
Interest expense |  |  |  |  |  |  |  |  | 182 | 142 | 135
Depreciation and amortization |  |  |  |  |  |  |  |  | 327 | 303 | 258
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 20 | 8 | (2,017)
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 8 | 55 | (349)
Segment income (loss) |  |  |  |  |  |  |  |  | 468 | 396 | (1,266)
Capital expenditures |  |  |  |  |  |  |  |  | 1,295 | 1,271 | 1,309
Segment assets | 16,411 |  |  |  | 15,179 |  |  |  | 16,411 | 15,179 | 13,849
Gas Utilities and Infrastructure | Operating Segments | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 716 | 544 | 453
Interest expense |  |  |  |  |  |  |  |  | 43 | 24 | 17
Depreciation and amortization |  |  |  |  |  |  |  |  | 103 | 90 | 78
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | (43) | 19 | 26
Segment income (loss) |  |  |  |  |  |  |  |  | 121 | 78 | 96
Capital expenditures |  |  |  |  |  |  |  |  | 362 | 362 | 286
Segment assets | 4,164 |  |  |  | 3,892 |  |  |  | 4,164 | 3,892 | 3,380
Gas Utilities and Infrastructure | Operating Segments | Gas Pipeline Assets |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  |  | 20 |
Gas Utilities and Infrastructure | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 92 | 90 | 95
Total Reportable Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 28,738 | 24,592 | 23,340
Total Reportable Segments | Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 28,864 | 24,715 | 23,468
Interest expense |  |  |  |  |  |  |  |  | 1,747 | 1,574 | 1,455
Depreciation and amortization |  |  |  |  |  |  |  |  | 4,877 | 4,554 | 4,326
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 27 | 15 | (2,018)
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | 544 | 549 | (9)
Segment income (loss) |  |  |  |  |  |  |  |  | 4,397 | 4,246 | 1,403
Capital expenditures |  |  |  |  |  |  |  |  | 10,280 | 8,924 | 8,938
Segment assets | 168,515 |  |  |  | 159,020 |  |  |  | 168,515 | 159,020 | 152,074
Total Reportable Segments | Operating Segments | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,514 | 2,037 | 1,858
Interest expense |  |  |  |  |  |  |  |  | 129 | 111 | 102
Depreciation and amortization |  |  |  |  |  |  |  |  | 324 | 307 | 278
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | (19) | 34 | 45
Segment income (loss) |  |  |  |  |  |  |  |  | 310 | 219 | 258
Capital expenditures |  |  |  |  |  |  |  |  | 850 | 848 | 834
Segment assets | 11,668 |  |  |  | 10,774 |  |  |  | 11,668 | 10,774 | 9,995
Total Reportable Segments | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 126 | 123 | 128
Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 30 | 29 | 26
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Severance charge reversal |  |  |  |  |  |  |  |  |  |  | 98
Other | Operating Segments | Impairment Charges |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  |  |  |  |  |  |  | 72 | 133 |
Other | Operating Segments | Operation, Maintenance and Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 71 | 42 |
Other | Operating Segments | Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  |  | 17 |
Other | Operating Segments | Litigation Expense |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 25 |  |
Other | Operating Segments | Gain (Loss) on Disposition of Assets |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information Assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 7 |  |
Other | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 122 | 113 | 99
Interest expense |  |  |  |  |  |  |  |  | 778 | 643 | 657
Depreciation and amortization |  |  |  |  |  |  |  |  | 236 | 236 | 207
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | 86 | 47 | 13
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | (244) | (281) | (160)
Segment income (loss) |  |  |  |  |  |  |  |  | (737) | (641) | (418)
Capital expenditures |  |  |  |  |  |  |  |  | 1,139 | 828 | 1,483
Segment assets | 9,571 |  |  |  | 10,567 |  |  |  | 9,571 | 10,567 | 10,314
Other | Other | Duke Energy Ohio |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) from continuing operations |  |  |  |  |  |  |  |  | (2) | (4) | (2)
Segment income (loss) |  |  |  |  |  |  |  |  | (8) | (15) | (6)
Segment assets | $ 14 |  |  |  | $ 29 |  |  |  | 14 | 29 | 32
Other | Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 92 | $ 84 | $ 73

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