v3.26.1
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%