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BANKRUPTCY FILING (Schedule of Debtor Reorganization Items) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Reorganizations [Line Items] |  |  |  |
Debtor-in-possession financing costs |  | $ 0 | $ 0 | $ 3
Legal and other |  | 145 | 20 | 1,949
Interest income |  | (8) | (9) | (15)
Total reorganization items, net | $ 0 | 137 | 11 | 1,937
Equity backstop premium expense, bridge loan facility fees, and trustee fees |  | 1,500 |  | 1,500
PG&E Corporation |  |  |  |
Reorganizations [Line Items] |  |  |  |
Debtor-in-possession financing costs |  | 0 | 0 | 0
Legal and other |  | 55 | (1) | 1,653
Interest income |  | 0 | 0 | (2)
Total reorganization items, net |  | 55 | (1) | 1,651
Utility |  |  |  |
Reorganizations [Line Items] |  |  |  |
Debtor-in-possession financing costs |  | 0 | 0 | 3
Legal and other |  | 90 | 21 | 296
Interest income |  | (8) | (9) | (13)
Total reorganization items, net | $ 0 | $ 82 | $ 12 | $ 286

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