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Income Taxes (Tables)
 3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]  
Reconciliation of income tax expense
The table below provides a reconciliation of income tax expense computed at the federal statutory income tax rate to the income tax provision:
 
 
Edison International
 
SCE
 
 
Three months ended March 31,
(in millions)
 
2014
 
2013
 
2014
 
2013
Income from continuing operations before income taxes
 
$
205

 
$
384

 
$
222

 
$
395

Provision for income tax at federal statutory rate of 35%
 
71

 
134

 
78

 
138

Increase (decrease) in income tax from:
 
 
 
 
 
 
 
 
State tax, net of federal benefit
 
1

 
3

 
1

 
14

Property-related
 
(51
)
 
(41
)
 
(51
)
 
(42
)
Change related to uncertain tax positions
 
7

 
7

 
7

 
7

San Onofre settlement
 
(40
)
 
—

 
(40
)
 
—

Other
 
(7
)
 
(5
)
 
(7
)
 
(5
)
Total income tax expense (benefit) from continuing operations
 
$
(19
)
 
$
98

 
$
(12
)
 
$
112

Effective tax rate
 
(9.3
)%
 
25.5
%
 
(5.4
)%
 
28.4
%