v3.19.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Jul. 23, 2019
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 1-9936  
Entity Registrant Name EDISON INTERNATIONAL  
Entity Incorporation, State or Country Code CA  
IRS Employer Identification Number 95-4137452  
Entity Address, Address Line One 2244 Walnut Grove Avenue  
Entity Address, Address Line Two (P.O. Box 976)  
Entity Address, City or Town Rosemead,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 91770  
City Area Code (626)  
Local Phone Number 302-2222  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Title of each class Common Stock, no par value  
Trading Symbol EIX  
Security Exchange Name NYSE  
Entity Shell Company false  
Entity Central Index Key 0000827052  
Current Fiscal Year End Date --12-31  
Document Period End Date Jun. 30, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   325,811,206
Southern California Edison    
Entity Information [Line Items]    
Document Type 10-Q  
Entity File Number 1-2313  
Entity Registrant Name SOUTHERN CALIFORNIA EDISON CO  
Entity Incorporation, State or Country Code CA  
IRS Employer Identification Number 95-1240335  
Entity Address, Address Line One 2244 Walnut Grove Avenue  
Entity Address, Address Line Two (P.O. Box 800)  
Entity Address, City or Town Rosemead,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 91770  
City Area Code (626)  
Local Phone Number 302-1212  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0000092103  
Current Fiscal Year End Date --12-31  
Document Period End Date Jun. 30, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   434,888,104
Southern California Edison | NYSE American LLC | Cumulative Preferred Stock, 4.08% Series    
Entity Information [Line Items]    
Title of each class Cumulative Preferred Stock, 4.08% Series  
Trading Symbol SCEpB  
Security Exchange Name NYSEAMER  
Southern California Edison | NYSE American LLC | Cumulative Preferred Stock, 4.08% Series    
Entity Information [Line Items]    
Title of each class Cumulative Preferred Stock, 4.24% Series  
Trading Symbol SCEpC  
Security Exchange Name NYSEAMER  
Southern California Edison | NYSE American LLC | Cumulative Preferred Stock, 4.32% Series    
Entity Information [Line Items]    
Title of each class Cumulative Preferred Stock, 4.32% Series  
Trading Symbol SCEpD  
Security Exchange Name NYSEAMER  
Southern California Edison | NYSE American LLC | Cumulative Preferred Stock, 4.78% Series    
Entity Information [Line Items]    
Title of each class Cumulative Preferred Stock, 4.78% Series  
Trading Symbol SCEpE  
Security Exchange Name NYSEAMER