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GENERAL INFORMATION AND OTHER FINANCIAL DATA - INVENTORIES (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Inventory [Line Items] |  |  |
Natural gas | $ 87 | $ 106 |
LNG | 17 | 62 |
Materials and supplies | 279 | 235 |
Total | 383 | 403 | [1]
San Diego Gas and Electric Company |  |  |
Inventory [Line Items] |  |  |
Natural gas | 1 | 1 |
LNG | 0 | 0 |
Materials and supplies | 142 | 133 |
Total | 143 | 134 | [1]
Southern California Gas Company |  |  |
Inventory [Line Items] |  |  |
Natural gas | 63 | 74 |
LNG | 0 | 0 |
Materials and supplies | 117 | 85 |
Total | $ 180 | $ 159 | [1]
[1] | Derived from audited financial statements.

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