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DERIVATIVES (Outstanding Derivative Balances) (Details) - Commodity Contract - Pacific Gas & Electric Co (Utility) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivatives And Hedging Activities [Line Items] |  |
Netting | $ 246 | $ 715
Netting | 0 | 0
Cash Collateral | 74 | 553
Total Derivative Balance | 320 | 1,268
Current assets – other |  |
Derivatives And Hedging Activities [Line Items] |  |
Netting | 151 | 824
Netting | (7) | (170)
Cash Collateral | 58 | 537
Total Derivative Balance | 202 | 1,191
Other noncurrent assets – other |  |
Derivatives And Hedging Activities [Line Items] |  |
Netting | 325 | 306
Netting |  | 0
Cash Collateral | 0 | 0
Total Derivative Balance | 325 | 306
Current liabilities – other |  |
Derivatives And Hedging Activities [Line Items] |  |
Gross Derivative Balance | (71) | (238)
Netting | 7 | 170
Cash Collateral | 16 | 16
Total Derivative Balance | (48) | (52)
Noncurrent liabilities – other |  |
Derivatives And Hedging Activities [Line Items] |  |
Gross Derivative Balance | (159) | (177)
Netting |  | 0
Cash Collateral | 0 | 0
Total Derivative Balance | $ (159) | $ (177)

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