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GENERAL INFORMATION AND OTHER FINANCIAL DATA - INVENTORIES (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Inventory [Line Items] |  |  |
Natural gas | $ 104 | $ 158 |
Materials and supplies | 392 | 403 |
Total | 496 | 561 | [1]
SI Partners | Disposal Group Held-for-sale |  |  |
Inventory [Line Items] |  |  |
Inventories classified as assets held for sale | 109 | 109 |
SI Partners | Disposal Group Held-for-sale | Natural gas |  |  |
Inventory [Line Items] |  |  |
Inventories classified as assets held for sale | 8 | 12 |
SI Partners | Disposal Group Held-for-sale | LNG |  |  |
Inventory [Line Items] |  |  |
Inventories classified as assets held for sale | 3 | 12 |
SI Partners | Disposal Group Held-for-sale | Materials and supplies |  |  |
Inventory [Line Items] |  |  |
Inventories classified as assets held for sale | 98 | 85 |
SDG&E |  |  |
Inventory [Line Items] |  |  |
Natural gas | 2 | 2 |
Materials and supplies | 262 | 265 |
Total | 264 | 267 | [2]
SoCalGas |  |  |
Inventory [Line Items] |  |  |
Natural gas | 102 | 156 |
Materials and supplies | 130 | 138 |
Total | $ 232 | $ 294 | [3]
[1] | Derived from audited financial statements.
[2] | Derived from audited financial statements.
[3] | Derived from audited financial statements.

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