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Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2019
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:
 
Three months ended June 30,
 
Six months ended June 30,
(in millions)
2019
 
2018
 
2019
 
2018
Edison International:
 
 
 
 
 
 
 
Income from continuing operations before income taxes
$
344

 
$
289

 
$
540

 
$
500

Provision for income tax at federal statutory rate of 21%
72

 
61

 
113

 
105

Increase in income tax from:
 

 
 
 
 

 
 
State tax, net of federal benefit
2

 
—

 
(5
)
 
(5
)
Property-related
(74
)
 
(69
)
 
(143
)
 
(138
)
Shared-based compensation
—

 
—

 
(2
)
 
—

2018 GRC Final Decision
(80
)
 
—

 
(80
)
 
—

Deferred tax re-measurement1
—

 
—

 
(69
)
 
—

Other
2

 
(1
)
 
(4
)
 
(2
)
Total income tax benefit from continuing operations
$
(78
)
 
$
(9
)
 
$
(190
)
 
$
(40
)
Effective tax rate
(22.7
)%
 
(3.1
)%
 
(35.2
)%
 
(8.0
)%
SCE:
 
 
 
 
 
 
 
Income from continuing operations before income taxes
$
381

 
$
325

 
$
599

 
$
635

Provision for income tax at federal statutory rate of 21%
80

 
68

 
126

 
133

Increase in income tax from:
 

 
 
 
 

 
 
State tax, net of federal benefit
3

 
3

 
(2
)
 
4

Property-related
(74
)
 
(69
)
 
(143
)
 
(138
)
Shared-based compensation
—

 
—

 
(2
)
 
—

2018 GRC Final Decision
(80
)
 
—

 
(80
)
 
—

Deferred tax re-measurement1
—

 
—

 
(69
)
 
—

Other
3

 
(4
)
 
(3
)
 
(7
)
Total income tax benefit from continuing operations
$
(68
)
 
$
(2
)
 
$
(173
)
 
$
(8
)
Effective tax rate
(17.8
)%
 
(0.6
)%
 
(28.9
)%
 
(1.3
)%

1 Relates to changes in the allocation of deferred tax re-measurement between customers and shareholders as a result of a CPUC resolution issued in February 2019. The resolution determined that customers are only entitled to excess deferred taxes which were included when setting rates, while other deferred tax re-measurement belongs to the shareholders.