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Goodwill | 6 Months Ended
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Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | GOODWILL Duke Energy The following table presents the goodwill by reportable operating segment included on Duke Energy's Condensed Consolidated Balance Sheets at June 30, 2018, and December 31, 2017.
| 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 | — |  |  | — |  |  | (29 | ) |  | (29 | )
Goodwill, adjusted for accumulated impairment charges | $ | 17,379 |  |  | $ | 1,924 |  |  | $ | 93 |  |  | $ | 19,396 |
Duke Energy Ohio Duke Energy Ohio's Goodwill balance of $920 million, allocated $596 million to Electric Utilities and Infrastructure and $324 million to Gas Utilities and Infrastructure, is presented net of accumulated impairment charges of $216 million on the Condensed Consolidated Balance Sheets at June 30, 2018, and December 31, 2017. Progress Energy Progress Energy's Goodwill is included in the Electric Utilities and Infrastructure operating segment and there are no accumulated impairment charges. Piedmont Piedmont's Goodwill is included in the Gas Utilities and Infrastructure operating segment and there are no accumulated impairment charges.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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