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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Mar. 31, 2019
Equity [Abstract]  
Components of Accumulated Other Comprehensive Loss
The changes in accumulated other comprehensive loss, net of tax, consist of:
 
Edison International
 
SCE
 
Three months ended March 31,
(in millions)
2019
 
2018
 
2019
 
2018
Beginning balance
$
(50
)
 
$
(43
)
 
$
(23
)
 
$
(19
)
Pension and PBOP – net loss:
 
 
 
 
 
 
 
    Reclassified from accumulated other comprehensive loss1
2

 
2

 
1

 
2

Other2
(10
)
 
(5
)
 
(5
)
 
(5
)
Change
(8
)
 
(3
)
 
(4
)
 
(3
)
Ending Balance
$
(58
)
 
$
(46
)
 
$
(27
)
 
$
(22
)

1 
These items are included in the computation of net periodic pension and PBOP Plan expense. See Note 9 for additional information.
2 
Edison International and SCE recognized cumulative effect adjustments to the opening balance of retained earnings and accumulated other comprehensive loss on January 1, 2019 and 2018 related to the adoption of the accounting standards update on the reclassification of stranded tax effects resulting from Tax Reform in 2019 and the measurement of financial instruments in 2018. See Note 1 for further information on the reclassification of stranded tax effects.