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INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended | 30 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Total UTB that, if recognized, would impact the effective income tax rate as of the end of the year | $ 33 | $ 33 |
Income tax deduction, repair costs | 850 |  |
Income tax deduction, customer bill credits | $ 400 |  |
Equity securities ownership, threshold | 4.75% | 4.75% |
Common stock, shares outstanding (in shares) | 2,133,597,758 | 2,133,597,758 | 1,987,784,948
Pacific Gas & Electric Co (Utility) |  |  |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Common stock, shares outstanding (in shares) | 477,743,590 | 477,743,590 |
Fire Victim Trust |  |  |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Number of shares sold (in shares) |  | 477,743,590 |
Shares sold, tax impact | $ 1,200 | $ 2,000 |
Fire Victim Trust | Pacific Gas & Electric Co (Utility) |  |  |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Common stock, shares outstanding (in shares) | 247,743,590 | 247,743,590 |

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