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COMMITMENTS AND CONTINGENCIES - OTHER COMMITMENTS (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2012 $ / MMBTU MMcf
Natural Gas and Electric Franchise | SDG&E |  |
Loss Contingencies [Line Items] |  |
Expected payment | $ 14 |
Expected payment, due in second year | 15 |
Expected payment, due in third year | 4 |
Expected payment, due in fourth year | 2 |
Expected payment, due in fifth year | 2 |
Expected payment, thereafter | 46 |
Sunrise Powerlink Construction | SDG&E |  |
Loss Contingencies [Line Items] |  |
Expected payment | 4 |
Expected payment, due in second year | 4 |
Expected payment, due in third year | 4 |
Expected payment, due in fourth year | 4 |
Expected payment, due in fifth year | 4 |
Expected payment, thereafter | $ 268 |
Estimated annual escalation | 2.00% |
Present value of future payments | $ 124 |
Continental Forge | Sempra Infrastructure |  |
Loss Contingencies [Line Items] |  |
Purchase commitment period |  | 18 years
Amount o natural gas to be sold (MMcf per day) | MMcf |  | 500
Price index | $ / MMBTU |  | 0.02

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