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GENERAL INFORMATION AND OTHER FINANCIAL DATA - TRANSACTIONS WITH AFFILIATES (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | $ 46 | $ 31 | [1]
Total due to unconsolidated affiliates – noncurrent | (298) | (307) | [1]
Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 46 | 31 |
Total due to unconsolidated affiliates – current | 0 | (5) | [1]
Total due to unconsolidated affiliates – noncurrent | (298) | (307) |
Various affiliates |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 5 | 6 |
Tax Sharing Arrangement | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 41 | 25 |
SDG&E | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (93) | (73) | [1]
SDG&E | Various affiliates |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (13) | (8) |
SDG&E | Due to/from Sempra Energy |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (39) | (44) |
Income taxes due (to) from Sempra | 232 | 246 |
SDG&E | Due to/from SoCalGas |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (41) | (21) |
SoCalGas |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 45 | 22 | [1]
SoCalGas | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 45 | 22 |
Total due to unconsolidated affiliates – current | (33) | (38) | [1]
SoCalGas | Various affiliates |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 2 | 1 |
SoCalGas | Due to/from Sempra Energy |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | (33) | (38) |
Income taxes due (to) from Sempra | 4 | 6 |
SoCalGas | Due to/from SDG&E |  |  |
Related Party Transaction [Line Items] |  |  |
Due from unconsolidated affiliates | 43 | 21 |
Five Point Five Percent Note Due January 2024 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Total due to unconsolidated affiliates – current | $ 0 | (5) |
Stated rate of debt (as a percent) | 5.50% |  |
Five Point Five Percent Note Due January 2025 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ 0 | (24) |
Five Point Five Percent Notes Due July 2025 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ 0 | (23) |
Five Point Five Percent Note due January 2026 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (8) | (20) |
Five Point Five Percent Note due July 2026 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (12) | (11) |
Five Point Five Percent Note due January 2027 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (15) | (14) |
Five Point Five Percent Note due July 2027 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (18) | (17) |
Five Point Seven Four Percent Note December 2029 | TAG JV Norte | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.74% |  |
Total due to unconsolidated affiliates – noncurrent | $ (200) | (198) |
Five Point Five Percent Note due January 2028 | TAG Pipeline | Related Party |  |  |
Related Party Transaction [Line Items] |  |  |
Stated rate of debt (as a percent) | 5.50% |  |
Total due to unconsolidated affiliates – noncurrent | $ (45) | $ 0 |
[1] | Derived from audited financial statements.

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