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ORGANIZATION AND BASIS OF PRESENTATION (Narrative) (Details) a in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 segment fatality | Oct. 30, 2017 a wildfire structure
Organization And Basis Of Presentation [Line Items] |  |
Number of operating segments (segment) | segment | 1 |
Nothern California Wild Fire |  |
Organization And Basis Of Presentation [Line Items] |  |
Number wildfires (wildfire) | wildfire |  | 21
Number of acres burned (acre) | a |  | 245
Number of structures destroyed (structure) | structure |  | 8,900
Number of fatalities (fatality) | fatality | 44 |

X
- Definition Acres burned down in the Butte Fire. + References No definition available. + Details
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X
- Definition Number of deaths reported in the Butte fire + References No definition available. + Details
Name: | pcg_NumberOfDeaths
Namespace Prefix: | pcg_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of fires associated with the Northern California Wildfires. + References No definition available. + Details
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- Definition Number of houses reported destroyed in the Butte fire + References No definition available. + Details
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- Definition Organization And Basis Of Presentation [Line Items] + References No definition available. + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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- Details
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