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v3.22.1

Business Segments (Business Segment Data) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Operating revenues | $ 7,132 | $ 6,150 |
Segment income (loss) | 818 | 953 |
Less: Noncontrolling interests | 37 | 51 |
Add: Preferred stock dividend | 39 | 39 |
Net Income | 820 | 941 |
Segment assets | 171,220 |  | $ 169,587
Impairment of assets and other charges | 215 |  |
Unregulated operating revenue | (197) | (182) |
Incurred costs | 1,630 | 1,402 |
Equity in earnings (losses) of unconsolidated affiliates | 25 | (17) |
Duke Energy Carolinas |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 1,888 | 1,716 |
Segment assets | 48,033 |  | 47,162
Impairment of assets and other charges | 3 |  |
Incurred costs | 512 | 441 |
Duke Energy Ohio |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 638 | 532 |
Segment income (loss) | 77 | 91 |
Segment assets | 10,731 |  | $ 10,774
Incurred costs | 178 | 108 |
Electric Utilities and Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 5,995 | 5,273 |
Gas Utilities and Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 1,009 | 752 |
Gas Utilities and Infrastructure | Asset Impairment for Regulatory Action |  |  |
Segment Reporting Information [Line Items] |  |  |
Equity in earnings (losses) of unconsolidated affiliates |  | (6) |
Commercial Renewables |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 121 | 119 |
Total Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 7,125 | 6,144 |
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 7 | 6 |
Operating Segments | Electric Utilities and Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 6,002 | 5,281 |
Segment income (loss) | 723 | 820 |
Segment assets | 144,790 |  |
Operating Segments | Electric Utilities and Infrastructure | Duke Energy Supreme Court Ruling |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 46 |  |
Less: Noncontrolling interests | (22) |  |
Impairment of assets and other charges | 211 |  |
Operating Segments | Electric Utilities and Infrastructure | Duke Energy Ohio |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 412 | 363 |
Segment income (loss) | 41 | 50 |
Segment assets | 7,101 |  |
Operating Segments | Gas Utilities and Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 1,032 | 775 |
Segment income (loss) | 254 | 245 |
Segment assets | 15,170 |  |
Operating Segments | Gas Utilities and Infrastructure | Duke Energy Ohio |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 226 | 169 |
Segment income (loss) | 38 | 43 |
Segment assets | 3,784 |  |
Operating Segments | Commercial Renewables |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 121 | 119 |
Segment income (loss) | 11 | 27 |
Segment assets | 7,021 |  |
Operating Segments | Commercial Renewables | Texas Storm Uri |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment income (loss) |  | (35) |
Less: Noncontrolling interests |  | 12 |
Unregulated operating revenue |  | 8 |
Incurred costs |  | 2 |
Equity in earnings (losses) of unconsolidated affiliates |  | (29) |
Operating Segments | Total Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 7,155 | 6,175 |
Segment income (loss) | 988 | 1,092 |
Segment assets | 166,981 |  |
Operating Segments | Total Reportable Segments | Duke Energy Ohio |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 638 | 532 |
Segment income (loss) | 79 | 93 |
Segment assets | 10,885 |  |
Other | Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 30 | 26 |
Segment income (loss) | (170) | (139) |
Segment assets | 4,251 |  |
Other | Other | Duke Energy Ohio |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment income (loss) | (2) | (2) |
Segment assets | 14 |  |
Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | (53) | (51) |
Segment assets | (12) |  |
Eliminations | Duke Energy Ohio |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment assets | (168) |  |
Eliminations | Electric Utilities and Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 7 | 8 |
Eliminations | Gas Utilities and Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 23 | 23 |
Eliminations | Total Reportable Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | 30 | 31 |
Eliminations | Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating revenues | $ 23 | $ 20 |

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