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GENERAL INFORMATION AND OTHER FINANCIAL DATA - INVENTORIES (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Inventory [Line Items] |  |  |
Natural gas | $ 166 | $ 174 |
LNG | 13 | 9 |
Materials and supplies | 340 | 299 |
Total | 519 | 482 | [1]
SDG&E |  |  |
Inventory [Line Items] |  |  |
Natural gas | 1 | 1 |
LNG | 0 | 0 |
Materials and supplies | 181 | 152 |
Total | 182 | 153 | [1]
SoCalGas |  |  |
Inventory [Line Items] |  |  |
Natural gas | 153 | 155 |
LNG | 0 | 0 |
Materials and supplies | 130 | 122 |
Total | $ 283 | $ 277 | [1]
[1] | Derived from audited financial statements.

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