WILDFIRE-RELATED CONTINGENCIES (Losses For Claims) (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
2019 Kincade Fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	$ 625
Accrued Losses	175
Payments	(31)
Loss accrual, ending balance	769
Settlement reached	31
Litigation payment	31
2020 Zogg Fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	275
Accrued Losses	100
Payments	(127)
Loss accrual, ending balance	248
2020 Zogg Fire \| Pacific Gas & Electric Co (Utility)
Loss Contingency Accrual [Roll Forward]
Litigation payment	$ 127

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Amount of loss contingency liability.

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Amount of cash outflow reducing loss contingency liability.

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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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