v3.26.1
REVENUES - RECEIVABLES FROM REVENUES FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers $ 1,590 $ 1,887
Balance Sheet Location [Axis]: us-gaap:AccountsAndOtherReceivablesNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 16 22
Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 1,442 1,767
Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNetCurrent | Community Choice Aggregation    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 155 152
Balance Sheet Location [Axis]: us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 113 77
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 19 21
SDG&E    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 915 841
SDG&E | Balance Sheet Location [Axis]: us-gaap:AccountsAndOtherReceivablesNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 15 18
SDG&E | Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 884 809
SDG&E | Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNetCurrent | Community Choice Aggregation    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 155 152
SDG&E | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 4 3
SDG&E | Balance Sheet Location [Axis]: us-gaap:OtherReceivablesNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 12 11
SoCalGas    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 574 980
SoCalGas | Balance Sheet Location [Axis]: us-gaap:AccountsAndOtherReceivablesNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 1 4
SoCalGas | Balance Sheet Location [Axis]: us-gaap:AccountsReceivableNetCurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers 558 958
SoCalGas | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent    
Contract with Customer, Asset [Line Items]    
Receivables from revenues from contracts with customers $ 15 $ 18