v3.26.1
Cover
12 Months Ended
Dec. 31, 2025
Document Information [Line Items]  
Document Type 11-K
Entity Registrant Name SEMPRA
Amendment Flag false
Entity Central Index Key 0001032208
Sempra Savings Plan 002  
Document Information [Line Items]  
Document Type 11-K
Entity Registrant Name SEMPRA
Amendment Flag false
Entity Central Index Key 0001032208
San Diego Gas & Electric Company Savings Plan 001  
Document Information [Line Items]  
Document Type 11-K
Entity Registrant Name SEMPRA
Amendment Flag false
Entity Central Index Key 0001032208
Southern California Gas Company Retirement Savings Plan 002  
Document Information [Line Items]  
Document Type 11-K
Entity Registrant Name SEMPRA
Amendment Flag false
Entity Central Index Key 0001032208