v3.26.3
DEBT AND CREDIT FACILITIES - Uncommitted Letters of Credit (Details)
$ in Millions
Sep. 30, 2026
USD ($)
Debt Instrument [Line Items]  
Letters of credit outstanding $ 203
Disposal Group Held-for-sale | SI Partners  
Debt Instrument [Line Items]  
Standby letters of credit held for sale 1,789
San Diego Gas and Electric Company  
Debt Instrument [Line Items]  
Letters of credit outstanding 22
Southern California Gas Company  
Debt Instrument [Line Items]  
Letters of credit outstanding 16
Other Sempra  
Debt Instrument [Line Items]  
Letters of credit outstanding $ 165