Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,						Nine months ended September 30,
(in millions)	2015			2014			2015			2014
Edison International:
Income from continuing operations before income taxes	$	487		$	744		$	1,324		$	1,414
Provision for income tax at federal statutory rate of 35%	170			260			463			495
Increase (decrease) in income tax from:
State tax, net of federal benefit	6			28			23			34
Property-related	(79		)	(73		)	(207		)	(179		)
Change related to uncertain tax positions	10			10			(53		)	(4		)
San Onofre OII settlement	—			—			—			(40		)
Other	(25		)	(5		)	(31		)	(22		)
Total income tax expense from continuing operations	$	82		$	220		$	195		$	284
Effective tax rate	16.8		%	29.6		%	14.7		%	20.1		%
SCE:
Income from continuing operations before income taxes	$	509		$	755		$	1,370		$	1,466
Provision for income tax at federal statutory rate of 35%	178			264			480			513
Increase (decrease) in income tax from:
State tax, net of federal benefit	8			31			23			42
Property-related	(79		)	(73		)	(207		)	(179		)
Change related to uncertain tax positions	9			9			(56		)	(1		)
San Onofre OII settlement	—			—			—			(40		)
Other	(24		)	(7		)	(33		)	(25		)
Total income tax expense from continuing operations	$	92		$	224		$	207		$	310
Effective tax rate	18.1		%	29.7		%	15.1		%	21.1		%