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SEMPRA - CONTINGENTLY REDEEMABLE NONCONTROLLING INTEREST (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2026 | Sep. 30, 2025
Redeemable Noncontrolling Interest [Line Items] |  |  |
Allocation of interests | $ 50 | $ 92 |
Increase (decrease) in allocation of interests | (50) | (92) |
NCI |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |
Increase (decrease) in allocation of interests | (30) | (78) |
Sempra shareholders' equity |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |
Increase (decrease) in allocation of interests | $ (20) | $ (14) |
SI Partners | PA2 JVCo |  |  |
Redeemable Noncontrolling Interest [Line Items] |  |  |
Equity interests issued |  |  | 49.90%

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