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Joint Ownership of Generating and Transmission Facilities (Schedule Joint Ownership of Generating and Transmission Facilities) (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Duke Energy Carolinas [Member] | Catawba (Units 1 and 2) [Member] |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership interest | 19.25%
Property, plant, and equipment | $ 989
Accumulated depreciation | 483
Construction work in progress | $ 17
Duke Energy Carolinas [Member] | W.S. Lee CC [Member] |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership interest | 86.67%
Property, plant, and equipment | $ 593
Accumulated depreciation | 12
Construction work in progress | $ 4
Duke Energy Indiana [Member] | Gibson Station (Unit 5) [Member] |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership interest | 50.05%
Property, plant, and equipment | $ 390
Accumulated depreciation | 173
Construction work in progress | $ 3
Duke Energy Indiana [Member] | Vermillion Generation Station [Member] |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership interest | 62.50%
Property, plant, and equipment | $ 168
Accumulated depreciation | 135
Duke Energy Indiana [Member] | Transmission and local facilities [Member] |
Jointly Owned Utility Plant Interests [Line Items] |
Property, plant, and equipment | 5,037
Accumulated depreciation | $ 1,769

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- Definition The period end amount owned by the reporting utility of a jointly owned utility plant in service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The period end amount of construction work in progress at a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
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- Definition The period end amount of accumulated depreciation in a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
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- Definition The proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -URI http://asc.fasb.org/extlink&oid=115995737&loc=d3e659983-123033 + Details
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