v3.26.1
Debt and Credit Agreements - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended
Feb. 11, 2026
Feb. 28, 2026
Mar. 31, 2026
Debt      
Commitment     $ 4,850
Letters of credit outstanding, amount     2
SCE      
Debt      
Debt carrying amount     1,200
Debt Instrument Senior Notes 6.25 Percent Due 2030 | Edison International Parent      
Debt      
Debt carrying amount   $ 550  
Rate (as a percent)   4.80%  
Term Loan Agreement Due March 2027 | Edison International Parent      
Debt      
Variable interest rate   1.00%  
Term Loan Agreement Due March 2027 | Edison International Parent | Unsecured Debt      
Debt      
Proceeds from issuance of debt   $ 1,500  
Repayments of debt $ 300    
Standby letters of credit | SCE      
Debt      
Commitment     660
Letters of credit outstanding, amount     $ 100