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GENERAL INFORMATION AND OTHER FINANCIAL DATA - TRANSACTIONS WITH AFFILIATES (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | $ 31 | $ 54
Total due to unconsolidated affiliates – current | (307) | (301)
Related Party |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 31 | 54
Total due to unconsolidated affiliates – current | (5) | 0
Total due to unconsolidated affiliates – current | (307) | (301)
Other related parties |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 6 | 13
Tax Sharing Arrangement | Related Party |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 25 | 41
SDG&E | Related Party |  |
Related Party Transaction [Line Items] |  |
Total due to unconsolidated affiliates – current | (73) | (135)
SDG&E | Other related parties |  |
Related Party Transaction [Line Items] |  |
Total due to unconsolidated affiliates – current | (8) | (14)
SDG&E | Due to/from Sempra Energy |  |
Related Party Transaction [Line Items] |  |
Total due to unconsolidated affiliates – current | (44) | (49)
Income taxes due from (to) Sempra | 246 | 10
SDG&E | Due to/from SoCalGas |  |
Related Party Transaction [Line Items] |  |
Total due to unconsolidated affiliates – current | (21) | (72)
SoCalGas |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 22 | 77
SoCalGas | Related Party |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 22 | 77
Total due to unconsolidated affiliates – current | (38) | (36)
SoCalGas | Other related parties |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 1 | 5
SoCalGas | Due to/from Sempra Energy |  |
Related Party Transaction [Line Items] |  |
Total due to unconsolidated affiliates – current | (38) | (36)
Income taxes due from (to) Sempra | 6 | (16)
SoCalGas | Due to/from SDGE |  |
Related Party Transaction [Line Items] |  |
Due from unconsolidated affiliates | 21 | 72
Five Point Five Percent Note Due January 2024 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Total due to unconsolidated affiliates – current | $ (5) | 0
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ 0 | (40)
Five Point Five Percent Note Due January 2025 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ (24) | (23)
Five Point Five Percent Notes Due July 2025 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ (23) | (21)
Five Point Five Percent Note due January 2026 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ (20) | (19)
Five Point Five Percent Note due July 2026 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ (11) | (11)
Five Point Five Percent Note due January 2027 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ (14) | 0
Five Point Five Percent Note due July 2027 | TAG Pipelines Norte | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.50% |
Total due to unconsolidated affiliates – current | $ (17) | 0
Five Point Seven Four Percent Note December 2029 | TAG JV Notes | Related Party |  |
Related Party Transaction [Line Items] |  |
Stated rate of debt (as a percent) | 5.74% |
Total due to unconsolidated affiliates – current | $ (198) | $ (187)

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