v3.26.1
DEBT (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Feb. 19, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 26, 2026
Jun. 22, 2026
Jun. 21, 2026
Jun. 01, 2026
Feb. 20, 2026
Dec. 31, 2025
Dec. 04, 2023
First Mortgage Bonds Due 2029 | Utility                        
Debt [Line Items]                        
Debt instrument, face amount                   $ 400,000,000    
Interest rate                   6.10%    
First Mortgage Bonds Due 2036 | Utility                        
Debt [Line Items]                        
Debt instrument, face amount                 $ 800,000,000 $ 1,000,000,000.0    
Interest rate                 5.60% 5.20%    
First Mortgage Bonds Due 2056 | Utility                        
Debt [Line Items]                        
Debt instrument, face amount                 $ 600,000,000 $ 800,000,000    
Interest rate                 6.30% 6.00%    
First Mortgage Bonds Due 2026 | Utility                        
Debt [Line Items]                        
Debt instrument, face amount                   $ 600,000,000    
Interest rate                   2.95%    
First Mortgage Bonds Due 2031 | Utility                        
Debt [Line Items]                        
Debt instrument, face amount                 $ 800,000,000      
Interest rate                 5.05%      
Fixed-to-Fixed Reset Rate Junior Subordinated Notes Due 2056 | PG&E Corporation                        
Debt [Line Items]                        
Debt instrument, face amount $ 1,000,000,000.0                      
Interest rate 6.85%                      
Interest rate reset period 5 years                      
Basis spread on variable rate 3.225%                      
Convertible Notes due 2027 | PG&E Corporation | Secured Debt                        
Debt [Line Items]                        
Debt instrument, face amount                       $ 2,150,000,000
Interest rate                       4.25%
Debt financial instrument   $ 2,140,000,000   $ 2,140,000,000             $ 2,140,000,000  
Debt issuance costs   10,000,000   10,000,000             $ 13,000,000  
Interest expense   23,000,000 $ 46,000,000 23,000,000 $ 46,000,000              
Utility revolving credit facility                        
Debt [Line Items]                        
Maximum Facility Limit   8,650,000,000   8,650,000,000                
Utility revolving credit facility | PG&E Corporation                        
Debt [Line Items]                        
Maximum Facility Limit   650,000,000   650,000,000                
Utility revolving credit facility | Utility                        
Debt [Line Items]                        
Maximum Facility Limit   6,250,000,000   6,250,000,000     $ 6,250,000,000 $ 5,400,000,000        
Receivables Securitization Program - Stated Maturity: 2027 | Utility                        
Debt [Line Items]                        
Maximum Facility Limit   $ 1,750,000,000   $ 1,750,000,000   $ 1,750,000,000