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SEMPRA - INVESTMENTS IN UNCONSOLIDATED ENTITIES - NARRATIVE (Details) - USD ($) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Jul. 30, 2025 | Jul. 29, 2025 | Jun. 30, 2025 | Jun. 30, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from distributions received |  |  | $ 516 | $ 405
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 |  |  | $ 971 | 385
Proceeds from distributions received |  |  | 283 | 214
Sempra Texas Utilities | Oncor Holdings | Subsequent Event |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments made during period | $ 519 |  |  |
Proceeds from distributions received |  | $ 175 |  |
Sempra Infrastructure | Cameron LNG JV |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investments made during period |  |  | 1 | 2
Proceeds from distributions received |  |  | 233 | 204
Sempra Infrastructure | TAG |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from distributions received |  |  | $ 45 | $ 62

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