v3.26.1
Condensed Consolidated Statements of Changes in Equity - Edison International (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (decrease) in Stockholders' Equity            
Beginning balance $ 18,884 $ 19,259 $ 18,797 $ 17,740 $ 19,259 $ 17,740
Common stock, shares, outstanding, beginning balance   384,787,056     384,787,056  
Net income 561 $ 570 398 1,492    
Other comprehensive income (3)   2   $ (3) 2
Common stock issued   2   2    
Common stock repurchased (4) (26)   (29)    
Common stock dividends declared (337) (338) (318) (319)    
Preferred stock dividends declared   (13)   (44)    
Dividends to noncontrolling interests (25) (27) (33) (34)    
Shares withheld for tax withholdings on vested equity awards (1) (16)   (21)    
Noncash stock-based compensation and other 18 11 15 10    
Preference stock redeemed   (119)        
Preferred stock repurchased   (419)        
Ending balance $ 19,093 $ 18,884 $ 18,861 $ 18,797 $ 19,093 18,861
Common stock, shares, outstanding, ending balance (in shares) 384,787,767       384,787,767  
Common stock dividends declared (in dollars per share) $ 0.8775 $ 0.8775 $ 0.8275 $ 0.8275    
Minimum | Edison International            
Increase (decrease) in Stockholders' Equity            
Preferred stock dividends declared (in dollars per share) 31.250 31.250 31.250 31.250    
Maximum | Edison International            
Increase (decrease) in Stockholders' Equity            
Preferred stock dividends declared (in dollars per share) $ 46.875 $ 46.875 $ 46.875 46.875    
Series A Preferred Stock            
Increase (decrease) in Stockholders' Equity            
Preferred stock, shares outstanding, beginning balance (in shares)   414,342     414,342  
Preferred stock, shares outstanding, ending balance (in shares) 0       0  
Preferred stock dividends declared (in dollars per share)   $ 26.875   26.875    
Series B Preferred Stock            
Increase (decrease) in Stockholders' Equity            
Preferred stock, shares outstanding, beginning balance (in shares)   87,937     87,937  
Preferred stock, shares outstanding, ending balance (in shares) 83,503       83,503  
Preferred stock dividends declared (in dollars per share)   $ 25.00   $ 25.00    
Subtotal            
Increase (decrease) in Stockholders' Equity            
Beginning balance $ 17,320 $ 17,579 $ 16,622 $ 15,565 $ 17,579 15,565
Net income 535 541 365 1,458    
Other comprehensive income (3)   2      
Common stock issued   2   2    
Common stock repurchased (4) (26)   (29)    
Common stock dividends declared (337) (338) (318) (319)    
Preferred stock dividends declared   (13)   (44)    
Dividends to noncontrolling interests 1 (1)        
Shares withheld for tax withholdings on vested equity awards (1) (16)   (21)    
Noncash stock-based compensation and other 18 11 15 10    
Preferred stock repurchased   (419)        
Ending balance $ 17,529 $ 17,320 $ 16,686 $ 16,622 $ 17,529 $ 16,686
Preferred stock            
Increase (decrease) in Stockholders' Equity            
Preferred stock, shares outstanding, beginning balance (in shares) 83,503 502,279 1,662,771 1,662,771 502,279 1,662,771
Beginning balance $ 83 $ 497 $ 1,645 $ 1,645 $ 497 $ 1,645
Preferred stock repurchased (in shares)   (418,776)        
Preferred stock repurchased   $ (414)        
Preferred stock, shares outstanding, ending balance (in shares) 83,503 83,503 1,662,771 1,662,771 83,503 1,662,771
Ending balance $ 83 $ 83 $ 1,645 $ 1,645 $ 83 $ 1,645
Common stock            
Increase (decrease) in Stockholders' Equity            
Beginning balance $ 6,332 $ 6,362 $ 6,315 $ 6,353 $ 6,362 $ 6,353
Common stock, shares, outstanding, beginning balance 384,793,941 384,787,056 384,763,662 384,784,719 384,787,056 384,784,719
Common stock issued (in shares) 50,523 404,516 22,735 478,943    
Common stock issued   $ 2   $ 2    
Common stock repurchased (in shares) (56,697) (397,631)   (500,000)    
Common stock repurchased $ (4) $ (26)   $ (29)    
Shares withheld for tax withholdings on vested equity awards (1) (16)   (21)    
Noncash stock-based compensation and other 20 10 $ 15 10    
Ending balance $ 6,347 $ 6,332 $ 6,330 $ 6,315 $ 6,347 $ 6,330
Common stock, shares, outstanding, ending balance (in shares) 384,787,767 384,793,941 384,786,397 384,763,662 384,787,767 384,786,397
Accumulated Other Comprehensive Income            
Increase (decrease) in Stockholders' Equity            
Beginning balance $ 6 $ 6 $ 0 $ 0 $ 6 $ 0
Other comprehensive income (3)   2      
Ending balance 3 6 2 0 3 2
Retained Earnings            
Increase (decrease) in Stockholders' Equity            
Beginning balance 10,899 10,714 8,662 7,567 10,714 7,567
Net income 535 541 365 1,458    
Common stock dividends declared (337) (338) (318) (319)    
Preferred stock dividends declared   (13)   (44)    
Dividends to noncontrolling interests 1 (1)        
Noncash stock-based compensation and other (2) 1 0      
Preferred stock repurchased   (5)        
Ending balance 11,096 10,899 8,709 8,662 11,096 8,709
Noncontrolling Interests            
Increase (decrease) in Stockholders' Equity            
Beginning balance 1,564 1,680 2,175 2,175 1,680 2,175
Net income 26 29 33 34    
Dividends to noncontrolling interests (26) (26) (33) (34)    
Preference stock redeemed   (119)        
Ending balance $ 1,564 $ 1,564 $ 2,175 $ 2,175 $ 1,564 $ 2,175