Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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WILDFIRE-RELATED CONTINGENCIES (Wildfire Assistance Fund) (Details) - USD ($) $ in Millions	Aug. 02, 2019	Jun. 30, 2019	May 24, 2019	Dec. 31, 2018
Loss Contingencies [Line Items]
Wildfire-related claims		$ 100		$ 14,226
2018 Camp Fire and 2017 Northern California Wildfires
Loss Contingencies [Line Items]
Wildfire Assistance Fund, amount sought			$ 105
Wildfire Assistance Fund, amount sought, portion available for administrative expenses			$ 5
Pacific Gas & Electric Co
Loss Contingencies [Line Items]
Wildfire-related claims		$ 100		$ 14,226
Subsequent Event \| 2018 Camp Fire and 2017 Northern California Wildfires
Loss Contingencies [Line Items]
Wildfire-related claims	$ 105