WILDFIRE-RELATED CONTINGENCIES (Wildfire Fund) (Details) - USD ($) $ in Millions		3 Months Ended
	Aug. 23, 2019	Mar. 31, 2026	Dec. 31, 2025
Loss Contingencies [Line Items]
Disallowance cap, transmission and distribution equity rate base		$ 5,100
Initial safety certification, documentation provided, period	90 days
Initial safety certification, period	12 months
Expected capitalization, proceeds of bond		$ 21,000
Extension period		15 years
Expected capitalization, initial contribution		$ 7,500
Expected capitalization, annual contribution		$ 300
Annual contribution period		10 years
Loss contingency, expected capitalization, continuation account		$ 18,000
Loss contingency, expected capitalization, non-bypassable charge from customers		9,000
Loss contingency, expected capitalization, contributed by the utilities		5,100
Loss contingency, expected capitalization, additional contributed by the utilities		$ 3,900
Loss contingency, estimate for life		20 years
Insurance receivable		$ 262	$ 282
2021 Dixie fire
Loss Contingencies [Line Items]
Insurance receivable		1	$ 1
2021 Dixie fire | Noncurrent assets – other
Loss Contingencies [Line Items]
Insurance receivable		251
2021 Dixie fire | Noncurrent assets – other | Utility
Loss Contingencies [Line Items]
Insurance receivable		$ 7