GENERAL INFORMATION AND OTHER FINANCIAL DATA - CREDIT LOSSES (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 519	$ 539
Provisions for expected credit losses	106	148
Write-offs	(147)	(169)
Reclassification to assets held for sale	(134)	0
Ending balance	344	518
SI Partners | Disposal Group Held-for-sale
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Expected credit losses included in liabilities held for sale	3
Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	270		$ 447
Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	53		53
Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	21		19
Other long-term assets | KKR Pinnacle
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	4		5
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	40	46
Write-offs	(61)	(63)
Ending balance	93	127
SDG&E | Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	61		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	5		8
SoCalGas
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	285	331
Provisions for expected credit losses	42	70
Write-offs	(80)	(107)
Ending balance	247	$ 294
SoCalGas | Accounts receivable – trade, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	209		251
SoCalGas | Accounts receivable – other, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable - trade and other, net	26		28
SoCalGas | Other long-term assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Other long-term assets	$ 12		$ 6