RELATED PARTY AGREEMENTS AND TRANSACTIONS (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Receivables	$ 1,494	$ 1,624
Accounts payable - other	851	778
Pacific Gas & Electric Co (Utility)
Related Party Transaction [Line Items]
Receivables	1,495	1,633
Accounts payable - other	820	747
Pacific Gas & Electric Co (Utility) \| Related Party
Related Party Transaction [Line Items]
Receivables	26	33
Accounts payable - other	$ 24	$ 46

Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.

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