REGULATORY ASSETS, LIABILITIES, AND BALANCING ACCOUNTS (Long-Term Regulatory Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Jun. 30, 2022	Feb. 28, 2022
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 15,981	$ 15,561
Customer harm threshold, post-emergence transaction, recovery bonds issued				$ 7,500
Initial shareholder contribution	2,000
Pension benefits
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	400	673
Environmental compliance costs
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 1,158	1,172
Recovery Period	32 years
Price risk management
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 100	167
Recovery Period	15 years 6 months
Catastrophic event memorandum account
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 666	742
Wildfire-related accounts
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	1,626	1,697
Deferred income taxes
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	6,157	4,771
Financing costs
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	202	216
SB 901 securitization
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 5,089	5,194	$ 5,500
Recovery Period	27 years
General rate case memorandum accounts
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 0	95
Other
Regulatory Assets [Line Items]
Total noncurrent regulatory assets	$ 583	$ 834