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Accumulated Other Comprehensive Loss
 3 Months Ended
Mar. 31, 2013
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss, net of tax, consists of:
 
Edison International
 
SCE
(in millions)
Pension and PBOP – Net Loss
Balance at January 1, 2013
$
(87
)
 
$
(29
)
Other comprehensive loss before reclassifications
(2
)
 
(4
)
Amounts reclassified from accumulated other comprehensive loss1
2

 
1

Net current-period other comprehensive loss
—

 
(3
)
Balance at March 31, 2013
$
(87
)
 
$
(32
)
 
 
 
 
Reclassifications from accumulated other comprehensive loss:
 
 
 
Amortization of net loss included in net income
$
3

 
$
2

Tax expense
1

 
1

Total reclassification, net of tax
$
2

 
$
1


1 
These items are included in the computation of net periodic pension and PBOP expense. See Note 8 for additional information.