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GENERAL INFORMATION AND OTHER FINANCIAL DATA - INVENTORIES (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Inventory [Line Items] |  |  |
Natural gas | $ 105 | $ 163 |
LNG | 12 | 27 |
Materials and supplies | 451 | 369 |
Total | 568 | 559 | [1]
SDG&E |  |  |
Inventory [Line Items] |  |  |
Natural gas | 1 | 1 |
LNG | 0 | 0 |
Materials and supplies | 231 | 201 |
Total | 232 | 202 | [2]
SoCalGas |  |  |
Inventory [Line Items] |  |  |
Natural gas | 95 | 148 |
LNG | 0 | 0 |
Materials and supplies | 143 | 139 |
Total | $ 238 | $ 287 | [1]
[1] | Derived from audited financial statements.
[2] | Derived from audited financial statements.

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