v3.26.1
Income Taxes - Schedule of Reconciliation of Income Tax Expense (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Income Tax    
Income from operations before income taxes $ 671 $ 1,940
Amount    
Federal statutory tax rate 141 407
State income tax, net of federal income tax effect 21 109
Tax credits (15) (5)
Other adjustments    
Property-related (65) (58)
Corporate alternative minimum tax 18 0
Other 1 (5)
Effective tax rate $ 101 $ 448
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Federal statutory tax rate 21.00% 21.00%
State income tax, net of federal income tax effect 3.20% 5.60%
Tax credits (2.20%) (0.30%)
Other adjustments    
Property-related (9.60%) (2.90%)
Corporate alternative minimum tax 0.027 0
Other 0.00% (0.30%)
Effective tax rate 15.10% 23.10%
SCE    
Income Tax    
Income from operations before income taxes $ 776 $ 2,089
Amount    
Federal statutory tax rate 163 439
State income tax, net of federal income tax effect 27 117
Tax credits (15) (5)
Other adjustments    
Property-related (65) (58)
Corporate alternative minimum tax 18 0
Other 0 (5)
Effective tax rate $ 128 $ 488
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Federal statutory tax rate 21.00% 21.00%
State income tax, net of federal income tax effect 3.50% 5.60%
Tax credits (1.90%) (0.20%)
Other adjustments    
Property-related (8.40%) (2.90%)
Corporate alternative minimum tax 0.023 0
Other 0.00% (0.20%)
Effective tax rate 16.50% 23.30%