DEBT (Schedule of Long-term Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 04, 2023
Debt [Line Items]
Less: current portion, net of unamortized discount and debt issuance costs	$ (821)	$ (2,146)
Long-term debt, net	57,387	53,569
Utility
Debt [Line Items]
Less: current portion, net of unamortized discount and debt issuance costs	(821)	(2,146)
New Debt | Utility
Debt [Line Items]
Long-term debt, net	51,766	47,958
New Debt | PG&E Corporation
Debt [Line Items]
Unamortized discount, premium and debt issuance costs, net	(29)	(39)
Long-term debt, net	$ 5,621	5,611
Convertible Notes due 2027 | PG&E Corporation
Debt [Line Items]
Contractual Interest Rates	4.25%
Long-term debt, gross	$ 2,150	2,150
Convertible Notes due 2027 | PG&E Corporation | Secured Debt
Debt [Line Items]
Contractual Interest Rates			4.25%
Long-term debt, net	$ 2,140	2,130	$ 2,120
Senior Secured Notes due 2028 | PG&E Corporation
Debt [Line Items]
Contractual Interest Rates	5.00%
Long-term debt, gross	$ 1,000	1,000
Senior Secured Notes due 2030 | PG&E Corporation
Debt [Line Items]
Contractual Interest Rates	5.25%
Long-term debt, gross	$ 1,000	1,000
Junior Subordinated Notes due 2055 | PG&E Corporation
Debt [Line Items]
Contractual Interest Rates	7.38%
Long-term debt, gross	$ 1,500	1,500
First Mortgage Bonds | Utility
Debt [Line Items]
Less: current portion, net of unamortized discount and debt issuance costs	(600)	(1,924)
Unamortized discount, premium and debt issuance costs, net	(247)	(226)
Long-term debt, net	39,354	36,927
First Mortgage Bonds, Stated Maturity 2025 | Utility
Debt [Line Items]
Long-term debt, gross	$ 0	1,925
First Mortgage Bonds, Stated Maturity 2025 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	3.45%
First Mortgage Bonds, Stated Maturity 2025 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.95%
First Mortgage Bonds, Stated Maturity 2026 | Utility
Debt [Line Items]
Contractual Interest Rates	2.95%
Long-term debt, gross	$ 600	2,551
First Mortgage Bonds, Stated Maturity 2027 | Utility
Debt [Line Items]
Long-term debt, gross	$ 3,000	3,000
First Mortgage Bonds, Stated Maturity 2027 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	2.10%
First Mortgage Bonds, Stated Maturity 2027 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	5.45%
First Mortgage Bonds, Stated Maturity 2028 | Utility
Debt [Line Items]
Long-term debt, gross	$ 2,775	1,975
First Mortgage Bonds, Stated Maturity 2028 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	3.00%
First Mortgage Bonds, Stated Maturity 2028 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	5.00%
First Mortgage Bonds Due 2029 | Utility
Debt [Line Items]
Long-term debt, gross	$ 2,100	2,100
First Mortgage Bonds Due 2029 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	4.20%
First Mortgage Bonds Due 2029 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	6.10%
First Mortgage Bonds, Stated Maturity 2030 | Utility
Debt [Line Items]
Long-term debt, gross	$ 3,100	3,100
First Mortgage Bonds, Stated Maturity 2030 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.55%
First Mortgage Bonds, Stated Maturity 2031 | Utility
Debt [Line Items]
Long-term debt, gross	$ 3,000	3,000
First Mortgage Bonds, Stated Maturity 2031 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	2.50%
First Mortgage Bonds, Stated Maturity 2031 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	3.25%
First Mortgage Bonds, Stated Maturity 2032 | Utility
Debt [Line Items]
Long-term debt, gross	$ 1,900	1,050
First Mortgage Bonds, Stated Maturity 2032 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	4.40%
First Mortgage Bonds, Stated Maturity 2032 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	5.90%
First Mortgage Bonds Due 2033 | Utility
Debt [Line Items]
Long-term debt, gross	$ 1,900	1,900
First Mortgage Bonds Due 2033 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	6.15%
First Mortgage Bonds Due 2033 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	6.40%
First Mortgage Bonds Due 2034 | Utility
Debt [Line Items]
Long-term debt, gross	$ 1,900	1,900
First Mortgage Bonds Due 2034 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	5.80%
First Mortgage Bonds Due 2034 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	6.95%
First Mortgage Bonds, Stated Maturity 2035 | Utility
Debt [Line Items]
Long-term debt, gross	$ 1,850	0
First Mortgage Bonds, Stated Maturity 2035 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	5.70%
First Mortgage Bonds, Stated Maturity 2035 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	6.00%
First Mortgage Bonds, Stated Maturity 2040 | Utility
Debt [Line Items]
Long-term debt, gross	$ 2,951	2,951
First Mortgage Bonds, Stated Maturity 2040 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	3.30%
First Mortgage Bonds, Stated Maturity 2040 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.50%
First Mortgage Bonds, Stated Maturity 2041 | Utility
Debt [Line Items]
Long-term debt, gross	$ 700	700
First Mortgage Bonds, Stated Maturity 2041 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	4.20%
First Mortgage Bonds, Stated Maturity 2041 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.50%
First Mortgage Bonds, Stated Maturity 2042 | Utility
Debt [Line Items]
Long-term debt, gross	$ 750	750
First Mortgage Bonds, Stated Maturity 2042 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	3.75%
First Mortgage Bonds, Stated Maturity 2042 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.45%
First Mortgage Bonds, Stated Maturity 2043 | Utility
Debt [Line Items]
Contractual Interest Rates	4.60%
Long-term debt, gross	$ 375	375
First Mortgage Bonds, Stated Maturity 2044 | Utility
Debt [Line Items]
Contractual Interest Rates	4.75%
Long-term debt, gross	$ 675	675
First Mortgage Bonds, Stated Maturity 2045 | Utility
Debt [Line Items]
Long-term debt, gross	$ 600	600
First Mortgage Bonds, Stated Maturity 2045 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	4.30%
First Mortgage Bonds, Stated Maturity 2046 | Utility
Debt [Line Items]
Long-term debt, gross	$ 1,050	1,050
First Mortgage Bonds, Stated Maturity 2046 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	4.00%
First Mortgage Bonds, Stated Maturity 2046 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.25%
First Mortgage Bonds, Stated Maturity 2047 | Utility
Debt [Line Items]
Long-term debt, gross	$ 850	850
First Mortgage Bonds, Stated Maturity 2047 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	3.95%
First Mortgage Bonds, Stated Maturity 2050 | Utility
Debt [Line Items]
Long-term debt, gross	$ 5,025	5,025
First Mortgage Bonds, Stated Maturity 2050 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	3.50%
First Mortgage Bonds, Stated Maturity 2050 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	4.95%
First Mortgage Bonds, Stated Maturity 2052 | Utility
Debt [Line Items]
Long-term debt, gross	$ 550	550
First Mortgage Bonds, Stated Maturity 2052 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	5.25%
First Mortgage Bonds, Stated Maturity 2053 | Utility
Debt [Line Items]
Long-term debt, gross	$ 2,300	2,300
First Mortgage Bonds, Stated Maturity 2053 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	6.70%
First Mortgage Bonds, Stated Maturity 2053 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	6.75%
First Mortgage Bonds, Stated Maturity 2054 | Utility
Debt [Line Items]
Contractual Interest Rates	5.90%
Long-term debt, gross	$ 750	750
First Mortgage Bonds, Stated Maturity 2055 | Utility
Debt [Line Items]
Long-term debt, gross	$ 1,500	0
First Mortgage Bonds, Stated Maturity 2055 | Utility | Minimum
Debt [Line Items]
Contractual Interest Rates	6.10%
First Mortgage Bonds, Stated Maturity 2055 | Utility | Maximum
Debt [Line Items]
Contractual Interest Rates	6.15%
Recovery Bonds | Secured Debt
Debt [Line Items]
Long-term debt, gross	$ 10,145	10,367
Less: current portion, net of unamortized discount and debt issuance costs	(221)	(222)
DWR Loan
Debt [Line Items]
Long-term debt, net	$ 738	886
Receivables Securitization Program - Stated Maturity: 2027 | Utility
Debt [Line Items]
Contractual Interest Rates	5.31%
Long-term debt, gross	$ 1,750	0
Long-term debt, net	$ 1,750	$ 0