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Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2023
Segment Reporting Information [Line Items] |
Business Segment Data | Business segment information is presented in the following tables. Segment assets presented exclude intercompany assets.
| Year Ended December 31, 2023
| Electric |  | Gas |  |  |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  |  |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  |  |  | Segments |  | Other |  | Eliminations |  | Total
Unaffiliated Revenues | $ | 26,846 |  |  | $ | 2,177 |  |  |  |  | $ | 29,023 |  |  | $ | 37 |  |  | $ | — |  |  | $ | 29,060 |
Intersegment Revenues | 75 |  |  | 89 |  |  |  |  | 164 |  |  | 97 |  |  | (261) |  |  | — |
Total Revenues | $ | 26,921 |  |  | $ | 2,266 |  |  |  |  | $ | 29,187 |  |  | $ | 134 |  |  | $ | (261) |  |  | $ | 29,060 |
Interest Expense | $ | 1,850 |  |  | $ | 217 |  |  |  |  | $ | 2,067 |  |  | $ | 1,097 |  |  | $ | (150) |  |  | $ | 3,014 |
Depreciation and amortization | 4,684 |  |  | 349 |  |  |  |  | 5,033 |  |  | 248 |  |  | (28) |  |  | 5,253 |
Equity in earnings of unconsolidated affiliates | 7 |  |  | 40 |  |  |  |  | 47 |  |  | 66 |  |  | — |  |  | 113 |
Income tax expense (benefit) | 742 |  |  | 116 |  |  |  |  | 858 |  |  | (420) |  |  | — |  |  | 438 |
Segment income (loss)(a)(b) | 4,223 |  |  | 519 |  |  |  |  | 4,742 |  |  | (616) |  |  | — |  |  | 4,126 |
Less noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  | (33) |
Add back preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  | 106 |
Discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  | (1,391) |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | $ | 2,874 |
Capital investments expenditures and acquisitions(c) | $ | 10,135 |  |  | $ | 1,492 |  |  |  |  | $ | 11,627 |  |  | $ | 995 |  |  | $ | — |  |  | $ | 12,622 |
Segment assets(d) | 155,449 |  |  | 17,349 |  |  |  |  | 172,798 |  |  | 4,095 |  |  | — |  |  | 176,893 |
(a) EU&I includes $35 million recorded with Impairment of assets and other charges and $8 million within Operations, maintenance and other primarily related to the North Carolina rate case order on Duke Energy Carolinas' Consolidated Statements of Operations; it also includes $33 million within Impairment of assets and other charges and $8 million within Operations, maintenance and other primarily related to the North Carolina rate case order on Duke Energy Progress' Consolidated Statements of Operations. See Note 4 for additional information. (b) Other includes $110 million recorded within Operations, maintenance and other and $14 million within Impairments of assets and other charges primarily related to strategic repositioning as the Company transitions to a fully regulated utility on the Consolidated Statements of Operations. See Note 21 for additional information. (c) Other includes capital investments expenditures and acquisitions related to the Commercial Renewables Disposal Groups. (d) Other includes Assets Held for Sale balances related to the Commercial Renewables Disposal Groups. Refer to Note 2 for further information.
| Year Ended December 31, 2022
| Electric |  | Gas |  |  |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  |  |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  |  |  | Segments |  | Other |  | Eliminations |  | Total
Unaffiliated Revenues | $ | 25,990 |  |  | $ | 2,748 |  |  |  |  | $ | 28,738 |  |  | $ | 30 |  |  | $ | — |  |  | $ | 28,768 |
Intersegment Revenues | 34 |  |  | 92 |  |  |  |  | 126 |  |  | 92 |  |  | (218) |  |  | — |
Total Revenues | $ | 26,024 |  |  | $ | 2,840 |  |  |  |  | $ | 28,864 |  |  | $ | 122 |  |  | $ | (218) |  |  | $ | 28,768 |
Interest Expense | $ | 1,565 |  |  | $ | 182 |  |  |  |  | $ | 1,747 |  |  | $ | 778 |  |  | $ | (86) |  |  | $ | 2,439 |
Depreciation and amortization | 4,550 |  |  | 327 |  |  |  |  | 4,877 |  |  | 236 |  |  | (27) |  |  | 5,086 |
Equity in earnings of unconsolidated affiliates | 7 |  |  | 20 |  |  |  |  | 27 |  |  | 86 |  |  | — |  |  | 113 |
Income tax expense (benefit) | 536 |  |  | 8 |  |  |  |  | 544 |  |  | (244) |  |  | — |  |  | 300 |
Segment income (loss)(a)(b) | 3,929 |  |  | 468 |  |  |  |  | 4,397 |  |  | (737) |  |  | (1) |  |  | 3,659 |
Less noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  | 95 |
Add back preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  | 106 |
Discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  | (1,215) |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | $ | 2,455 |
Capital investments expenditures and acquisitions(c) | $ | 8,985 |  |  | $ | 1,295 |  |  |  |  | $ | 10,280 |  |  | $ | 1,139 |  |  | $ | — |  |  | $ | 11,419 |
Segment assets(d) | 152,104 |  |  | 16,411 |  |  |  |  | 168,515 |  |  | 9,571 |  |  | — |  |  | 178,086 |
(a) EU&I includes $386 million recorded within Impairment of assets and other charges, $46 million within Regulated electric revenues and $34 million within Noncontrolling Interests related to the Duke Energy Indiana court rulings on coal ash on the Consolidated Statements of Operations. See Note 4 for additional information. (b) Other includes $72 million recorded within Impairment of assets and other charges, $71 million within Operations, maintenance and other and a $7 million gain within Gains on sales of other assets related to costs attributable to business transformation, including long-term real estate strategy changes and workforce realignment on the Consolidated Statements of Operations; it also includes $25 million recorded within Operations, maintenance and other related to litigation on the Consolidated Statements of Operations. (c) Other includes capital investments expenditures and acquisitions related to the Commercial Renewables Disposal Groups. (d) Other includes Assets Held for Sale balances related to the Commercial Renewables Disposal Groups. Refer to Note 2 for further information.
| Year Ended December 31, 2021
| Electric |  | Gas |  |  |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  |  |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  |  |  | Segments |  | Other |  | Eliminations |  | Total
Unaffiliated Revenues | $ | 22,570 |  |  | $ | 2,022 |  |  |  |  | $ | 24,592 |  |  | $ | 29 |  |  | $ | — |  |  | $ | 24,621 |
Intersegment Revenues | 33 |  |  | 90 |  |  |  |  | 123 |  |  | 84 |  |  | (207) |  |  | — |
Total Revenues | $ | 22,603 |  |  | $ | 2,112 |  |  |  |  | $ | 24,715 |  |  | $ | 113 |  |  | $ | (207) |  |  | $ | 24,621 |
Interest Expense | $ | 1,432 |  |  | $ | 142 |  |  |  |  | $ | 1,574 |  |  | $ | 643 |  |  | $ | (10) |  |  | $ | 2,207 |
Depreciation and amortization | 4,251 |  |  | 303 |  |  |  |  | 4,554 |  |  | 236 |  |  | (28) |  |  | 4,762 |
Equity in earnings of unconsolidated affiliates | 7 |  |  | 8 |  |  |  |  | 15 |  |  | 47 |  |  | — |  |  | 62 |
Income tax expense (benefit) | 494 |  |  | 55 |  |  |  |  | 549 |  |  | (281) |  |  | — |  |  | 268 |
Segment income (loss)(a)(b)(c) | 3,850 |  |  | 396 |  |  |  |  | 4,246 |  |  | (641) |  |  | (3) |  |  | 3,602 |
Less noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  | 329 |
Add back preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  | 106 |
Discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  | 200 |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | $ | 3,579 |
Capital investments expenditures and acquisitions(d) | $ | 7,653 |  |  | $ | 1,271 |  |  |  |  | $ | 8,924 |  |  | $ | 828 |  |  | $ | — |  |  | $ | 9,752 |
Segment assets(e) | 143,841 |  |  | 15,179 |  |  |  |  | 159,020 |  |  | 10,567 |  |  | — |  |  | 169,587 |
(a) EU&I includes $160 million of expense recorded within Impairment of assets and other charges, $77 million of income within Other Income and expenses, $5 million of expense within Operations, maintenance and other, $13 million of income within regulated operating revenues, $3 million of expense within interest expense and $6 million of expense within Depreciation and amortization on the Duke Energy Carolinas' Consolidated Statement of Operations related to the South Carolina Supreme Court decision on coal ash and insurance proceeds; it also includes $42 million of expense recorded within Impairment of assets and other charges, $34 million of income within Other Income and expenses, $7 million of expense within Operations, maintenance, and other, $15 million of income within Regulated electric operating revenues, $5 million of expense within interest expense and $1 million of expense within Depreciation and amortization on the Duke Energy Progress' Consolidated Statement of Operations. (b) GU&I includes $20 million, recorded within Equity in earnings (losses) of unconsolidated affiliates on the Consolidated Statements of Operations, related to natural gas pipeline investments. (c) Other includes $133 million recorded within Impairment of assets and other charges, $42 million within Operations, maintenance and other, and $17 million within Depreciation and amortization on the Consolidated Statements of Operations, related to the workplace and workforce realignment. See Note 11 for additional information. (d) Other includes capital investments expenditures and acquisitions related to the Commercial Renewables Disposal Groups. (e) Other includes Assets Held for Sale balances related to the Commercial Renewables Disposal Groups. Refer to Note 2 for further information.
Schedule of Revenue, By Products and Services | Products and Services The following table summarizes revenues of the reportable segments by type.
| Retail |  | Wholesale |  | Retail |  |  |  |  |  | Total
(in millions) | Electric |  | Electric |  | Natural Gas |  |  |  | Other |  | Revenues
2023 |  |  |  |  |  |  |  |  |  |  |
Electric Utilities and Infrastructure | $ | 23,484 |  |  | $ | 2,193 |  |  | $ | — |  |  |  |  | $ | 1,244 |  |  | $ | 26,921 |
Gas Utilities and Infrastructure | — |  |  | — |  |  | 2,199 |  |  |  |  | 67 |  |  | 2,266 |
Total Reportable Segments | $ | 23,484 |  |  | $ | 2,193 |  |  | $ | 2,199 |  |  |  |  | $ | 1,311 |  |  | $ | 29,187 |
2022 |  |  |  |  |  |  |  |  |  |  |
Electric Utilities and Infrastructure | $ | 22,036 |  |  | $ | 2,882 |  |  | $ | — |  |  |  |  | $ | 1,106 |  |  | $ | 26,024 |
Gas Utilities and Infrastructure | — |  |  | — |  |  | 2,535 |  |  |  |  | 305 |  |  | 2,840 |
Total Reportable Segments | $ | 22,036 |  |  | $ | 2,882 |  |  | $ | 2,535 |  |  |  |  | $ | 1,411 |  |  | $ | 28,864 |
2021 |  |  |  |  |  |  |  |  |  |  |
Electric Utilities and Infrastructure | $ | 19,410 |  |  | $ | 2,216 |  |  | $ | — |  |  |  |  | $ | 977 |  |  | $ | 22,603 |
Gas Utilities and Infrastructure | — |  |  | — |  |  | 2,025 |  |  |  |  | 87 |  |  | 2,112 |
Total Reportable Segments | $ | 19,410 |  |  | $ | 2,216 |  |  | $ | 2,025 |  |  |  |  | $ | 1,064 |  |  | $ | 24,715 |
Duke Energy Ohio |
Segment Reporting Information [Line Items] |
Business Segment Data |
| Year Ended December 31, 2023
| Electric |  | Gas |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  | Segments |  | Other |  | Eliminations |  | Total
Total revenues | $ | 1,868 |  |  | $ | 639 |  |  | $ | 2,507 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,507 |
Interest expense | $ | 116 |  |  | $ | 53 |  |  | $ | 169 |  |  | $ | — |  |  | $ | — |  |  | $ | 169 |
Depreciation and amortization | 257 |  |  | 110 |  |  | 367 |  |  | — |  |  | — |  |  | 367 |
Income tax expense (benefit) | 42 |  |  | 23 |  |  | 65 |  |  | (2) |  |  | — |  |  | 63 |
Segment income (loss)/Net income | 227 |  |  | 116 |  |  | 343 |  |  | (9) |  |  | — |  |  | 334 |
Capital expenditures | $ | 520 |  |  | $ | 419 |  |  | $ | 939 |  |  | $ | — |  |  | $ | — |  |  | $ | 939 |
Segment assets | 7,978 |  |  | 4,346 |  |  | 12,324 |  |  | 13 |  |  | (121) |  |  | 12,216 |
| Year Ended December 31, 2022
| Electric |  | Gas |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  | Segments |  | Other |  | Eliminations |  | Total
Total revenues | $ | 1,798 |  |  | $ | 716 |  |  | $ | 2,514 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,514 |
Interest expense | $ | 86 |  |  | $ | 43 |  |  | $ | 129 |  |  | $ | — |  |  | $ | — |  |  | $ | 129 |
Depreciation and amortization | 221 |  |  | 103 |  |  | 324 |  |  | — |  |  | — |  |  | 324 |
Income tax expense (benefit) | 24 |  |  | (43) |  |  | (19) |  |  | (2) |  |  | — |  |  | (21) |
Segment income (loss)/Net Income | 189 |  |  | 121 |  |  | 310 |  |  | (8) |  |  | — |  |  | 302 |
Capital expenditures | $ | 488 |  |  | $ | 362 |  |  | $ | 850 |  |  | $ | — |  |  | $ | — |  |  | $ | 850 |
Segment assets | 7,504 |  |  | 4,164 |  |  | 11,668 |  |  | 14 |  |  | (176) |  |  | 11,506 |
| Year Ended December 31, 2021
| Electric |  | Gas |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  | Segments |  | Other |  | Eliminations |  | Total
Total revenues | $ | 1,493 |  |  | $ | 544 |  |  | $ | 2,037 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,037 |
Interest expense | $ | 87 |  |  | $ | 24 |  |  | $ | 111 |  |  | $ | — |  |  | $ | — |  |  | $ | 111 |
Depreciation and amortization | 217 |  |  | 90 |  |  | 307 |  |  | — |  |  | — |  |  | 307 |
Income tax expense (benefit) | 15 |  |  | 19 |  |  | 34 |  |  | (4) |  |  | — |  |  | 30 |
Segment income (loss)/Net Income | 141 |  |  | 78 |  |  | 219 |  |  | (15) |  |  | — |  |  | 204 |
Capital expenditures | $ | 486 |  |  | $ | 362 |  |  | $ | 848 |  |  | $ | — |  |  | $ | — |  |  | $ | 848 |
Segment assets | 6,882 |  |  | 3,892 |  |  | 10,774 |  |  | 29 |  |  | (29) |  |  | 10,774 |

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