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v3.19.1

GENERAL INFORMATION AND OTHER FINANCIAL DATA - DUE TO DUE FROM AFFILIATES (Details) $ in Billions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Mar. 31, 2019 MXN ($)
Related Party Transaction [Line Items] |  |  |  |
Due from unconsolidated affiliates - current | $ 50,000,000 | $ 37,000,000 | [1] |
Due from unconsolidated affiliates - noncurrent | 668,000,000 | 644,000,000 | [1] |
Due to unconsolidated affiliates, current | (10,000,000) | (10,000,000) | [1] |
Due to unconsolidated affiliates - noncurrent | $ (38,000,000) | $ (37,000,000) | [1] |
ESJ joint venture [Member] | LIBOR [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Spread on variable rate | 6.375% | 6.375% |  |
Interest rate on due from affiliate, noncurrent |  | 8.89% |  |
TAG Pipeline Norte [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Interest rate on due from affiliate, noncurrent | 5.54% |  |  |
TAG Pipeline Norte [Member] | LIBOR [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Spread on variable rate | 2.90% | 2.90% |  |
California Utilities Combined [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Maximum borrowing capacity | $ 1,000,000,000 |  |  |
San Diego Gas and Electric Company [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due to unconsolidated affiliates, current | (63,000,000) | $ (61,000,000) | [1] |
Maximum borrowing capacity | 750,000,000 |  |  |
San Diego Gas and Electric Company [Member] | Due to/from Sempra Energy [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due to unconsolidated affiliates, current | (37,000,000) | (43,000,000) |  |
Income taxes due (to) from Sempra Energy | (29,000,000) | 5,000,000 |  |
San Diego Gas and Electric Company [Member] | Due to/from SoCalGas [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due to unconsolidated affiliates, current | (14,000,000) | (6,000,000) |  |
San Diego Gas and Electric Company [Member] | Due to/from Other affiliates [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due to unconsolidated affiliates, current | (12,000,000) | (12,000,000) |  |
Southern California Gas Company [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due from unconsolidated affiliates - current | 15,000,000 | 7,000,000 | [1] |
Due to unconsolidated affiliates, current | (42,000,000) | (34,000,000) | [1] |
Maximum borrowing capacity | 750,000,000 |  |  |
Southern California Gas Company [Member] | Due to/from Sempra Energy [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due to unconsolidated affiliates, current | (39,000,000) | (34,000,000) |  |
Income taxes due (to) from Sempra Energy | (88,000,000) | (4,000,000) |  |
Southern California Gas Company [Member] | Due to/from Other affiliates [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due from unconsolidated affiliates - current | 1,000,000 | 1,000,000 |  |
Due to unconsolidated affiliates, current | (3,000,000) | 0 |  |
Southern California Gas Company [Member] | Due to/from SDG&E |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due from unconsolidated affiliates - current | 14,000,000 | 6,000,000 |  |
Sempra Mexico [Member] | IMG [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due from unconsolidated affiliates - noncurrent | 668,000,000 | $ 641,000,000 |  |
Maximum borrowing capacity | $ 729,000,000 |  |  | $ 14.2
Sempra Mexico [Member] | IMG [Member] | Interbank Equilibrium Rate [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Spread on variable rate | 2.20% | 2.20% |  |
Interest rate on due from affiliate, noncurrent | 10.69% |  |  |
Sempra Mexico [Member] | ESJ joint venture [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due from unconsolidated affiliates - noncurrent | $ 0 | $ 3,000,000 |  |
Sempra Mexico [Member] | TAG Pipeline Norte [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Due to unconsolidated affiliates - noncurrent | $ 38,000,000 | $ 37,000,000 |  |
[1] | Derived from audited financial statements.

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