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SEMPRA - INVESTMENTS IN UNCONSOLIDATED ENTITIES - NARRATIVE (Details) - USD ($) $ in Millions |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 29, 2026 | Jul. 28, 2026 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Proceeds from distributions received |  |  | $ 721 | $ 516 |
SI Partners | Disposal Group Held-for-sale |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment, held for sale |  |  | $ 2,649 |  | $ 2,566
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 |  |  | $ 1,500 | 971 |
Proceeds from distributions received |  |  | 458 | 283 |
Sempra Texas Utilities | Oncor Holdings | Subsequent Event |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments made during period | $ 610 |  |  |  |
Proceeds from distributions received |  | $ 229 |  |  |
Sempra Infrastructure | Cameron LNG JV |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investments made during period |  |  |  | 1 |
Proceeds from distributions received |  |  | 263 | 233 |
Sempra Infrastructure | TAG |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Proceeds from distributions received |  |  | $ 60 | $ 45 |

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