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Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2022
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, 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 wit hin interest expense and $1 million of expense within Depreciation and amortization on the Duke Energy Progress' Consolidated Statement of Operations. See Notes 4 and 5 for more information. (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. See Note 4 for additional information. (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.
| Year Ended December 31, 2020
| Electric |  | Gas |  |  |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  |  |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  |  |  | Segments |  | Other |  | Eliminations |  | Total
Unaffiliated Revenues | $ | 21,687 |  |  | $ | 1,653 |  |  |  |  | $ | 23,340 |  |  | $ | 26 |  |  | $ | — |  |  | $ | 23,366 |
Intersegment Revenues | 33 |  |  | 95 |  |  |  |  | 128 |  |  | 73 |  |  | (201) |  |  | — |
Total Revenues | $ | 21,720 |  |  | $ | 1,748 |  |  |  |  | $ | 23,468 |  |  | $ | 99 |  |  | $ | (201) |  |  | $ | 23,366 |
Interest Expense | $ | 1,320 |  |  | $ | 135 |  |  |  |  | $ | 1,455 |  |  | $ | 657 |  |  | $ | (15) |  |  | $ | 2,097 |
Depreciation and amortization | 4,068 |  |  | 258 |  |  |  |  | 4,326 |  |  | 207 |  |  | (29) |  |  | 4,504 |
Equity in (losses) earnings of unconsolidated affiliates | (1) |  |  | (2,017) |  |  |  |  | (2,018) |  |  | 13 |  |  | — |  |  | (2,005) |
Income tax expense (benefit) | 340 |  |  | (349) |  |  |  |  | (9) |  |  | (160) |  |  | — |  |  | (169) |
Segment income (loss)(a)(b)(c) | 2,669 |  |  | (1,266) |  |  |  |  | 1,403 |  |  | (418) |  |  | (4) |  |  | 981 |
Less noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  | 295 |
Add back preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  | 107 |
Discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  | 289 |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | $ | 1,082 |
Capital investments expenditures and acquisitions(d) | $ | 7,629 |  |  | $ | 1,309 |  |  |  |  | $ | 8,938 |  |  | $ | 1,483 |  |  | $ | — |  |  | $ | 10,421 |
Segment assets(e) | 138,225 |  |  | 13,849 |  |  |  |  | 152,074 |  |  | 10,314 |  |  | — |  |  | 162,388 |
(a) EU&I includes $948 million of Impairment of assets and other charges and a reversal of $152 million included in Regulated electric operating revenue related to the CCR Settlement Agreement filed with the NCUC. Additionally, EU&I includes $19 million of Impairment of assets and other charges related to the Clemson University Combined Heat and Power Plant, $5 million of Impairment charges related to the natural gas pipeline assets and $16 million of shareholder contributions within Operations, maintenance and other related to Duke Energy Carolinas' and Duke Energy Progress' 2019 North Carolina rate cases. See Note 4 for additional information. (b) GU&I includes $2.1 billion recorded within Equity in (losses) earnings of unconsolidated affiliates and $7 million of Impairment of assets and other charges related to natural gas pipeline investments. See Notes 4 and 13 for additional information. (c) Other includes a $98 million reversal of 2018 severance costs due to a partial settlement in the Duke Energy Carolinas' 2019 North Carolina rate case. See Note 21 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
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 |
2020 |  |  |  |  |  |  |  |  |  |  |
Electric Utilities and Infrastructure | $ | 18,898 |  |  | $ | 1,878 |  |  | $ | — |  |  |  |  | $ | 944 |  |  | $ | 21,720 |
Gas Utilities and Infrastructure | — |  |  | — |  |  | 1,691 |  |  |  |  | 57 |  |  | 1,748 |
Total Reportable Segments | $ | 18,898 |  |  | $ | 1,878 |  |  | $ | 1,691 |  |  |  |  | $ | 1,001 |  |  | $ | 23,468 |
Duke Energy Ohio |
Segment Reporting Information [Line Items] |
Business Segment Data |
| 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 |
| Year Ended December 31, 2020
| Electric |  | Gas |  | Total |  |  |  |  |  |
| Utilities and |  | Utilities and |  | Reportable |  |  |  |  |  |
(in millions) | Infrastructure |  | Infrastructure |  | Segments |  | Other |  | Eliminations |  | Total
Total revenues | $ | 1,405 |  |  | $ | 453 |  |  | $ | 1,858 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,858 |
Interest expense | $ | 85 |  |  | $ | 17 |  |  | $ | 102 |  |  | $ | — |  |  | $ | — |  |  | $ | 102 |
Depreciation and amortization | 200 |  |  | 78 |  |  | 278 |  |  | — |  |  | — |  |  | 278 |
Income tax expense (benefit) | 19 |  |  | 26 |  |  | 45 |  |  | (2) |  |  | — |  |  | 43 |
Segment income (loss) | 162 |  |  | 96 |  |  | 258 |  |  | (6) |  |  | — |  |  | 252 |
Capital expenditures | $ | 548 |  |  | $ | 286 |  |  | $ | 834 |  |  | $ | — |  |  | $ | — |  |  | $ | 834 |
Segment assets | 6,615 |  |  | 3,380 |  |  | 9,995 |  |  | 32 |  |  | (2) |  |  | 10,025 |

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