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RELATED PARTY AGREEMENTS AND TRANSACTIONS (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Accounts payable - other	$ 748	$ 851
Pacific Gas & Electric Co (Utility)
Related Party Transaction [Line Items]
Accounts payable - other	729	820
Pacific Gas & Electric Co (Utility) | Related Party
Related Party Transaction [Line Items]
Receivables	25	26
Accounts payable - other	$ 11	$ 24

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