REVENUES - CONTRACT LIABILITIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Contract with Customer, Liability [Roll Forward]
Beginning balance	$ (196)	$ (198)	$ (252)
Revenue from performance obligations satisfied during reporting period	105	11	14
Payments received in advance	(1)	(7)	(21)
Contract modification	0	(2)	61
Reclassification to liabilities held for sale	24	0	0
Ending balance	(68)	(196)	(198)
Other Current Liabilities
Contract with Customer, Liability [Roll Forward]
Beginning balance	(105)
Ending balance	(4)	(105)
Deferred credits and other
Contract with Customer, Liability [Roll Forward]
Beginning balance	(91)
Ending balance	(64)	(91)
SDG&E
Contract with Customer, Liability [Roll Forward]
Beginning balance	(72)	(75)	(79)
Revenue from performance obligations satisfied during reporting period	4	3	4
Ending balance	(68)	(72)	$ (75)
SDG&E | Other Current Liabilities
Contract with Customer, Liability [Roll Forward]
Beginning balance	(4)
Ending balance	(4)	(4)
SDG&E | Deferred credits and other
Contract with Customer, Liability [Roll Forward]
Beginning balance	(68)
Ending balance	$ (64)	$ (68)