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WILDFIRE-RELATED CONTINGENCIES (Wildfire-Related Securities Claims, Fire Victim Trust D&O Claims and Related Insurance Recoveries Overview) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jul. 26, 2022
Loss Contingencies [Line Items] |  |  |  |
Net Income (Loss) | $ (1,814) | $ 88 | $ 1,304 |
Wildfire-Related Class Action |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency liability | 300 |  |  |
Net Income (Loss) | 145 |  |  |
Insurance Coverage Claims |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Insurance receivable | $ 272 |  |  |
Breach of Fiduciary Duties |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Settlement amount proposed |  |  |  | $ 117

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