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SEMPRA - INVESTMENTS IN UNCONSOLIDATED ENTITIES - NARRATIVE (Details) - USD ($) $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
May 02, 2025 | May 01, 2025 | Mar. 31, 2025 | Mar. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from distributions received |  |  | $ 291 | $ 232
Sempra Texas Intermediate Holding Company LLC | Oncor Holdings |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity ownership interest (as a percent) |  |  | 100.00% |
Oncor Holdings | Oncor Electric Delivery Company LLC. |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership interest (as a percent) |  |  | 80.25% |
Sempra Texas Utilities | Oncor Holdings |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments made during period |  |  | $ 486 | 193
Proceeds from distributions received |  |  | 142 | 100
Sempra Texas Utilities | Oncor Holdings | Subsequent Event |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments made during period | $ 486 |  |  |
Proceeds from distributions received |  | $ 142 |  |
Sempra Infrastructure | Cameron LNG JV |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from distributions received |  |  | 149 | 132
Sempra Infrastructure | TAG |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from distributions received |  |  | $ 45 | $ 62

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