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COMMITMENTS AND CONTINGENCIES - SDG&E AND SoCalGas LITIGATION (Details) $ in Millions |  | 1 Months Ended | 4 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 20, 2024 plaintiff | Oct. 31, 2023 plaintiff | Sep. 30, 2021 USD ($) lawsuit plaintiff | Jan. 31, 2021 lawsuit | Feb. 11, 2016 well | Dec. 31, 2023 USD ($) lawsuit | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) lawsuit | Aug. 31, 2023 Bcf | Nov. 30, 2021 Bcf
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Natural gas inventory level, maximum | Bcf |  |  |  |  |  |  |  |  | 68.6 | 41.16
Aliso Canyon litigation and regulatory matters |  |  |  |  |  | $ 0 | $ 259 | $ 1,593 |  |
SoCalGas |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Injection and withdrawal wells with gas leak | well |  |  |  |  | 1 |  |  |  |  |
Aliso Canyon litigation and regulatory matters |  |  |  |  |  | 0 | 259 | $ 1,593 |  |
SDG&E |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of pending claims | lawsuit |  |  |  |  |  |  |  | 2 |  |
Aliso Canyon Natural Gas Storage Facility Gas Leak | SoCalGas |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of pending claims | lawsuit |  |  | 390 |  |  |  |  |  |  |
Number of plaintiffs | plaintiff |  | 233 | 36,000 |  |  |  |  |  |  |
Public utilities, property, plant and equipment, other property, plant and equipment |  |  |  |  |  | 1,000 |  |  |  |
Aliso Canyon litigation and regulatory matters |  |  |  |  |  |  | 259 | $ 1,590 |  |
Aliso canyon litigation and regulatory matters, net of tax |  |  |  |  |  |  | $ 199 | $ 1,150 |  |
Reserve for Aliso Canyon costs |  |  |  |  |  | 31 |  |  |  |
Aliso Canyon Natural Gas Storage Facility Gas Leak | SoCalGas | Deferred Credits and Other |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Reserve for Aliso Canyon costs |  |  |  |  |  | $ 2 |  |  |  |
Aliso Canyon Natural Gas Storage Facility Gas Leak | SoCalGas | Subsequent Event |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff | 100 |  |  |  |  |  |  |  |  |
Aliso Canyon Natural Gas Storage Facility Gas Leak | SoCalGas | Individual Plaintiff Litigation |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Estimate of possible loss |  |  | $ 1,800 |  |  |  |  |  |  |
Percentage of plaintiffs agreeing to participate |  |  |  |  |  |  | 99.00% |  |  |
Damages paid |  |  |  |  |  |  | $ 1,790 |  |  |
Aliso Canyon Natural Gas Storage Facility Gas Leak | SoCalGas | The Developer Plaintiffs | Subsequent Event |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff | 413 |  |  |  |  |  |  |  |  |
Shareholder Derivative Complaint | SoCalGas |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of pending claims | lawsuit |  |  |  |  |  | 4 |  |  |  |
Loss contingency, claims dismissed, number | lawsuit |  |  |  | 3 |  |  |  |  |  |

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