REVENUES - RECEIVABLES FROM REVENUES FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	$ 1,534	$ 1,970
Accounts receivable – trade, net
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	1,490	1,951
Accounts receivable – trade, net | Community Choice Aggregation
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	223	148
Accounts receivable – other, net
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	20	15
Due from unconsolidated affiliates – current
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	4	4
Other long-term assets
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	20	0
SDG&E
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	899	889
SDG&E | Accounts receivable – trade, net
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	867	870
SDG&E | Accounts receivable – other, net
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	19	13
SDG&E | Due from unconsolidated affiliates – current
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	7	6
SDG&E | Other long-term assets
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	6	0
SoCalGas
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	572	987
SoCalGas | Accounts receivable – trade, net
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	557	985
SoCalGas | Accounts receivable – other, net
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	1	2
SoCalGas | Other long-term assets
Contract with Customer, Asset [Line Items]
Receivables from revenues from contracts with customers	$ 14	$ 0