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GENERAL INFORMATION AND OTHER FINANCIAL DATA - SHAREHOLDER'S EQUITY AND NONCONTROLLING INTEREST (Details)
$ / shares in Units, $ in Millions
Apr. 06, 2022
USD ($)
$ / shares
shares
Jan. 11, 2022
USD ($)
$ / shares
shares
Apr. 29, 2022
shares
Mar. 31, 2022
USD ($)
shares
Dec. 21, 2021
USD ($)
Oct. 15, 2021
$ / shares
Jan. 15, 2021
shares
Subsidiary, Sale of Stock [Line Items]              
Deferred income tax liability for foreign earnings | $       $ 120      
Series A Preferred Stock              
Subsidiary, Sale of Stock [Line Items]              
Shares converted             17,250,000
Preferred stock, conversion ratio             0.7989
Common Stock              
Subsidiary, Sale of Stock [Line Items]              
Shares converted             13,781,025
Accelerated share repurchase program, prepaid amount | $   $ 200          
Share repurchase program, number of shares repurchased (in shares)   1,472,756          
Common stock repurchased, average price (in dollars per share) | $ / shares   $ 135.80          
Common Stock | Subsequent Event              
Subsidiary, Sale of Stock [Line Items]              
Accelerated share repurchase program, prepaid amount | $ $ 250            
Share repurchase program, number of shares repurchased (in shares) 1,471,957            
Common stock repurchased, average price (in dollars per share) | $ / shares $ 169.84            
Abu Dhabi Investment Authority              
Subsidiary, Sale of Stock [Line Items]              
Deferred income tax liability for foreign earnings | $       $ 120      
SI Partners | Abu Dhabi Investment Authority              
Subsidiary, Sale of Stock [Line Items]              
Sale of noncontrolling interest, aggregate purchase price | $         $ 1,800    
Sale of noncontrolling interest (as a percent)         10.00%    
SI Partners | Sempra Energy              
Subsidiary, Sale of Stock [Line Items]              
Ownership percentage         70.00%    
SI Partners | KKR              
Subsidiary, Sale of Stock [Line Items]              
Ownership percentage         20.00%    
SI Partners | Abu Dhabi Investment Authority              
Subsidiary, Sale of Stock [Line Items]              
Ownership percentage         10.00%    
IEnova              
Subsidiary, Sale of Stock [Line Items]              
Amount held in trust for purchasing shares (in shares)       1,212,981      
Share price (in pesos per share) | $ / shares           $ 78.97  
IEnova | Subsequent Event              
Subsidiary, Sale of Stock [Line Items]              
Amount held in trust for purchasing shares (in shares)     828,988        
IEnova | SI Partners              
Subsidiary, Sale of Stock [Line Items]              
Ownership percentage       99.90%