Income Taxes (Tables)

6 Months Ended

Jun. 30, 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:

	Three months ended June 30,						Six months ended June 30,
(in millions)	2013			2012			2013			2012
Edison International:
Income (loss) from continuing operations before income taxes	$	(184	)	$	307		$	199		$	593
Provision for income tax at federal statutory rate of 35%	(64		)	107			70			207
Increase (decrease) in income tax from:
State tax, net of federal benefit	(20		)	8			(17		)	14
Property-related	(22		)	(10		)	(64		)	(19		)
Uncertain tax positions	11			—			18			1
Other	(7		)	(5		)	(11		)	(11		)
Total income tax expense (benefit) from continuing operations	$	(102	)	$	100		$	(4	)	$	192
Effective tax rate	*			32.6		%	*			32.4		%
SCE:
Income (loss) from continuing operations before income taxes	$	(166	)	$	322		$	229		$	622
Provision for income tax at federal statutory rate of 35%	(58		)	113			80			218
Increase (decrease) in income tax from:
State tax, net of federal benefit	(23		)	10			(9		)	20
Property-related	(22		)	(10		)	(64		)	(20		)
Uncertain tax positions	11			(1		)	17			—
Other	(7		)	(4		)	(11		)	(10		)
Total income tax expense (benefit) from continuing operations	$	(99	)	$	108		$	13		$	208
Effective tax rate	*			33.5		%	5.7		%	33.4		%