SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - (VIE) (Narrative) (Details) $ in Millions	Dec. 31, 2025 USD ($) recoveryBond	Dec. 31, 2024 USD ($)	Aug. 31, 2024 USD ($)	Dec. 31, 2022 USD ($)
Public Utility, Property, Plant and Equipment [Line Items]
Number of recovery bonds issued | recoveryBond	3
Receivables Securitization Program - Stated Maturity: 2027 | PG&E AR Facility, LLC (SPV)
Public Utility, Property, Plant and Equipment [Line Items]
Accounts receivable, net	$ 3,200	$ 3,200
Receivables Securitization Program - Stated Maturity: 2027 | Utility
Public Utility, Property, Plant and Equipment [Line Items]
Long-term debt, gross	1,750	0
Recovery Bonds | Secured Debt
Public Utility, Property, Plant and Equipment [Line Items]
Long-term debt, gross	10,145	10,367
Debt instrument, face amount	3,100	3,200	$ 3,260
SB 901 securitization | Secured Debt
Public Utility, Property, Plant and Equipment [Line Items]
Debt instrument, face amount	$ 7,100	$ 7,200		$ 7,500