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BANKRUPTCY FILING (Narrative) (Details) | 5 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jul. 17, 2019 unit | Feb. 01, 2019 USD ($) | Jan. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Contractual interest expense on prepetition liabilities not recorded in financial statements | $ 405,000,000 |  |  |  |
DIP Credit Agreement | Line of Credit | Senior Secured Superpriority Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount arranged | $ 5,500,000,000 | $ 5,500,000,000 |  | $ 5,500,000,000 | $ 5,500,000,000
Pacific Gas & Electric Co |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Payments for reorganization items |  | 78,000,000 |  |  |
PG&E Corporation |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Payments for reorganization items |  | $ 15,000,000 |  |  |
Subsequent Event | Pacific Gas & Electric Co |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of collective bargaining units (unit) | unit |  |  | 2 |  |

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