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GENERAL INFORMATION AND OTHER FINANCIAL DATA - CREDIT LOSSES (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 519	$ 539
Provisions for expected credit losses	33	94
Write-offs	(94)	(112)
Ending balance	458	521
Maximum off-balance-sheet arrangement	11		$ 5
Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	381		447
Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	59		53
Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	18		19
Other long-term assets \| KKR Pinnacle
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	4		5
Other current liabilities
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Maximum off-balance-sheet arrangement	6		0
Deferred credits and other
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Maximum off-balance-sheet arrangement	5		5
SDG&E
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	114	144
Provisions for expected credit losses	25	24
Write-offs	(40)	(42)
Ending balance	99	126
SDG&E \| Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	66		81
SDG&E \| Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	27		25
SDG&E \| Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	6		8
SoCalGas
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	285	331
Provisions for expected credit losses	21	45
Write-offs	(54)	(70)
Ending balance	252	$ 306
SoCalGas \| Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	212		251
SoCalGas \| Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	32		28
SoCalGas \| Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	$ 8		$ 6