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INVESTMENTS IN UNCONSOLIDATED ENTITIES - SEMPRA SUPPORT AGREEMENT FOR CFIN (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jul. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Mar. 31, 2021
Mar. 30, 2021
Schedule of Equity Method Investments [Line Items]            
Return on investments     $ 366 $ 761    
Sempra Infrastructure | ESJ | IEnova            
Schedule of Equity Method Investments [Line Items]            
Acquired percentage interest         50.00%  
Sempra Infrastructure | Cameron LNG            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage in consolidated entity   50.20%        
Sempra Infrastructure | ESJ | ESJ | IEnova            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage held by noncontrolling owners           50.00%
Cameron LNG            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage in equity method investee   50.20%        
Cameron LNG | Corporate Joint Venture | Sempra Infrastructure            
Schedule of Equity Method Investments [Line Items]            
Proceeds from related parties $ 1,500          
Debt covenant, liability cap (as a percent)   130.00%        
Debt covenant, liability cap amount   $ 979        
IMG JV | Sempra Infrastructure            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage in equity method investee   40.00%        
Transportation service contract term   35 years        
TAG JV | Sempra Infrastructure            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage in equity method investee   50.00%        
Los Ramones Norte | Sempra Infrastructure | TAG JV            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage in equity method investee   50.00%        
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure            
Schedule of Equity Method Investments [Line Items]            
Current guarantor obligations   $ 17        
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure | Other Current Assets [Member]            
Schedule of Equity Method Investments [Line Items]            
Current guarantor obligations   7        
Variable Interest Entity, Not Primary Beneficiary | Sempra Infrastructure | Other long-term assets(3)            
Schedule of Equity Method Investments [Line Items]            
Current guarantor obligations   $ 10        
Variable Interest Entity, Not Primary Beneficiary | Cameron LNG | Corporate Joint Venture | Sempra Infrastructure            
Schedule of Equity Method Investments [Line Items]            
Return on investments 753          
Proceeds from related parties $ 753