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Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill By Reportable Operating Segment | The following table presents the goodwill by reportable segment included on Duke Energy's Condensed Consolidated Balance Sheets at June 30, 2019, and December 31, 2018.
| Electric Utilities |  |  | Gas Utilities |  |  | Commercial |  |  |
(in millions) | and Infrastructure |  |  | and Infrastructure |  |  | Renewables |  |  | Total |
Goodwill balance | $ | 17,379 |  |  | $ | 1,924 |  |  | $ | 122 |  |  | $ | 19,425 |
Accumulated impairment charges | — |  |  | — |  |  | (122 | ) |  | (122 | )
Goodwill, adjusted for accumulated impairment charges | $ | 17,379 |  |  | $ | 1,924 |  |  | $ | — |  |  | $ | 19,303 |

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