GENERAL INFORMATION AND OTHER FINANCIAL DATA - CREDIT LOSSES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 298	$ 519
Provisions for expected credit losses	19	(4)
Write-offs	(42)	(48)
Reclassification to assets held for sale	7	0
Ending balance	282	467
SI Partners | Disposal Group Held-for-sale
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Expected credit losses included in liabilities held for sale	1		$ 2
Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	219		235
Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	48		47
Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	15		16
Other long-term assets | KKR Pinnacle
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	4		4
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	80	114
Provisions for expected credit losses	19	15
Write-offs	(18)	(20)
Ending balance	81	109
SDG&E | Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	50		49
SDG&E | Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	27		26
SDG&E | Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	4		5
SoCalGas
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	214	285
Provisions for expected credit losses	7	9
Write-offs	(24)	(28)
Ending balance	197	$ 266
SoCalGas | Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	169		186
SoCalGas | Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	21		21
SoCalGas | Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	$ 7		$ 7