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Other Income
 6 Months Ended
Jun. 30, 2020
Other Income and Expenses [Abstract]  
Other Income Other Income
Other income net of expenses is as follows:
 Three months ended June 30,Six months ended June 30,
(in millions)2020201920202019
SCE other income (expense): 
Equity allowance for funds used during construction$30  $32  $51  $49  
Increase in cash surrender value of life insurance policies and life insurance benefits
23  9  33  18  
Interest income7  7  16  16  
Net periodic benefit income – non-service components27  16  55  35  
Civic, political and related activities and donations(4) (8) (15) (21) 
Other(1) —  (6) (3) 
Total SCE other income 82  56  134  94  
Other income (expense) of Edison International Parent and Other:
Net periodic benefit costs – non-service components—  —  (1) (2) 
 Other(1) (1) —  1  
Total Edison International other income$81  $55  $133  $93