Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

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)	2013			2012			2013			2012
Income from continuing operations before income taxes	$	384		$	287		$	395		$	300
Provision for income tax at federal statutory rate of 35%	134			101			138			105
Increase (decrease) in income tax from:
Items presented with related state income tax, net:
State tax, net of federal benefit	3			6			14			10
Property-related	(41		)	(10		)	(42		)	(10		)
Uncertain tax positions	7			1			7			—
Other	(5		)	(7		)	(5		)	(6		)
Total income tax expense from continuing operations	$	98		$	91		$	112		$	99
Effective tax rate	25.5		%	31.7		%	28.4		%	33.0		%