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GENERAL INFORMATION AND OTHER FINANCIAL DATA - TRANSACTIONS WITH AFFILIATES (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | $ 42 | $ 54 | [1]
Total due to unconsolidated affiliates – noncurrent | (303) | (301) | [1]
Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 42 | 54 |
Total due to unconsolidated affiliates – current | (5) | 0 | [1]
Various affiliates |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 8 | 13 |
Tax Sharing Arrangement | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 34 | 41 |
TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (5) | 0 |
San Diego Gas and Electric Company |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 8 | 0 | [1]
San Diego Gas and Electric Company | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 8 | 0 |
Total due to unconsolidated affiliates – current | (49) | (135) | [1]
San Diego Gas and Electric Company | Various affiliates |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (11) | (14) |
San Diego Gas and Electric Company | Due to/from Sempra Energy |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (38) | (49) |
Income taxes due (to) from Sempra | (43) | 10 |
San Diego Gas and Electric Company | Due to/from SoCalGas |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 8 | 0 |
Total due to unconsolidated affiliates – current | 0 | (72) |
Southern California Gas Company |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 1 | 77 | [1]
Southern California Gas Company | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 1 | 77 |
Total due to unconsolidated affiliates – current | (38) | (36) | [1]
Southern California Gas Company | Various affiliates |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 1 | 5 |
Southern California Gas Company | Due to/from Sempra Energy |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (30) | (36) |
Income taxes due (to) from Sempra | (6) | (16) |
Southern California Gas Company | Due to/from SDG&E |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 0 | 72 |
Total due to unconsolidated affiliates – current | (8) | 0 |
Sempra Infrastructure | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – noncurrent | $ (303) | (301) |
Five Point Five Percent Note Due January 2024 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ 0 | (40) |
Five Point Five Percent Note Due January 2025 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (24) | (23) |
Five Point Five Percent Notes Due July 2025 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (22) | (21) |
Five Point Five Percent Note due January 2026 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (20) | (19) |
Five Point Five Percent Note due July 2026 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (11) | (11) |
Five Point Five Percent Note due January 2027 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (14) | 0 |
Five Point Five Percent Note due July 2027 | Sempra Infrastructure | TAG Pipeline Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (17) | 0 |
Five Point Seven Four Percent Note December 2029 | Sempra Infrastructure | TAG | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.74% |  |
Total due to unconsolidated affiliates – noncurrent | $ (195) | $ (187) |
[1] | Derived from audited financial statements.

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