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Accumulated Other Comprehensive Income (Loss) (Tables)
 9 Months Ended
Sep. 30, 2025
Equity [Abstract]  
Schedule of Changes in Accumulated Other Comprehensive Loss
The changes in accumulated other comprehensive loss, net of tax, are as follows:
Three months ended September 30,Nine months ended September 30,
(in millions)2025202420252024
Edison International:
Beginning balance$2 $(8)$— $(9)
Pension and PBOP:
Reclassified from accumulated other comprehensive loss1
— 1 1 2 
Foreign currency translation adjustments— 1 1 1 
Change— 2 2 3 
Ending Balance$2 $(6)$2 $(6)
SCE:
Beginning balance$(8)$(11)$(9)$(12)
Pension and PBOP:
Reclassified from accumulated other comprehensive loss1
— 1 1 2 
Change— 1 1 2 
Ending Balance$(8)$(10)$(8)$(10)
1These items are included in the computation of net periodic pension and PBOP Plan expense. See Note 9 for additional information.