v2.4.0.8

Goodwill (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended |
--- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013
Goodwill [Roll Forward] |  |
Goodwill | $ 17,202 | $ 17,211
Accumulated impairment charges | (871) | (871)
Foreign exchange and other changes | (9) |
Goodwill as adjusted for accumulated impairment charges | 16,331 | 16,340
Regulated Utilities [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 15,950 | 15,950
Accumulated impairment charges |  |
Foreign exchange and other changes |  |
Goodwill as adjusted for accumulated impairment charges | 15,950 | 15,950
International [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 317 | 326
Accumulated impairment charges |  |
Foreign exchange and other changes | (9) |
Goodwill as adjusted for accumulated impairment charges | 317 | 326
Commercial Power [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 935 | 935
Accumulated impairment charges | (871) | (871)
Foreign exchange and other changes |  |
Goodwill as adjusted for accumulated impairment charges | 64 | 64
Duke Energy Ohio [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 2,324 | 2,324
Accumulated impairment charges | (1,404) | (1,404)
Goodwill as adjusted for accumulated impairment charges | 920 | 920
Duke Energy Ohio [Member] | Regulated Utility [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 1,136 | 1,136
Accumulated impairment charges | (216) | (216)
Goodwill as adjusted for accumulated impairment charges | 920 | 920
Duke Energy Ohio [Member] | DEO Commercial Power [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 1,188 | 1,188
Accumulated impairment charges | (1,188) | (1,188)
Goodwill as adjusted for accumulated impairment charges | $ 0 | $ 0

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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