SEMPRA - CONTINGENTLY REDEEMABLE NONCONTROLLING INTEREST (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
|
| Redeemable Noncontrolling Interest [Line Items] | ||
| Allocation of interests | $ 42 | |
| Increase (decrease) in allocation of interests | (42) | |
| NCI | ||
| Redeemable Noncontrolling Interest [Line Items] | ||
| Increase (decrease) in allocation of interests | (48) | |
| Sempra shareholders' equity | ||
| Redeemable Noncontrolling Interest [Line Items] | ||
| Increase (decrease) in allocation of interests | $ 6 | |
| SI Partners | PA2 JVCo | ||
| Redeemable Noncontrolling Interest [Line Items] | ||
| Equity interests issued | 49.90% |