v3.8.0.1

GENERAL INFORMATION AND OTHER FINANCIAL DATA - INVENTORIES (Details) - USD ($) $ in Millions | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Inventory [Line Items] |  |  |
Natural gas | $ 93 | $ 109 |
LNG | 7 | 11 |
Materials and supplies | 185 | 187 |
Total | 285 | 307 | [1]
SDG&E [Member] |  |  |
Inventory [Line Items] |  |  |
Natural gas | 2 | 4 |
LNG | 0 | 0 |
Materials and supplies | 104 | 101 |
Total | 106 | 105 |
SoCalGas [Member] |  |  |
Inventory [Line Items] |  |  |
Natural gas | 55 | 75 |
LNG | 0 | 0 |
Materials and supplies | 41 | 49 |
Total | 96 | 124 |
Sempra South American Utilities [Member] |  |  |
Inventory [Line Items] |  |  |
Natural gas | 0 | 0 |
LNG | 0 | 0 |
Materials and supplies | 32 | 30 |
Total | 32 | 30 |
Sempra Mexico [Member] |  |  |
Inventory [Line Items] |  |  |
Natural gas | 1 | 0 |
LNG | 7 | 7 |
Materials and supplies | 3 | 2 |
Total | 11 | 9 |
Sempra Renewables [Member] |  |  |
Inventory [Line Items] |  |  |
Natural gas | 0 | 0 |
LNG | 0 | 0 |
Materials and supplies | 5 | 5 |
Total | 5 | 5 |
Sempra LNG & Midstream [Member] |  |  |
Inventory [Line Items] |  |  |
Natural gas | 35 | 30 |
LNG | 0 | 4 |
Materials and supplies | 0 | 0 |
Total | 35 | 34 |
Southern California Gas Company [Member] |  |  |
Inventory [Line Items] |  |  |
Total | $ 96 | $ 124 | [1]
[1] | Derived from audited financial statements.

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