Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Cash Equivalents

The cash equivalents were as follows:

	Edison International				SCE
	December 31,
(in millions)	2013		2012		2013		2012
Money market funds	$	68	$	107	$	8	$	5

Cash is temporarily invested until required for check clearing from the primary disbursement accounts. Checks issued, but not yet paid by the financial institution, are reclassified from cash to accounts payable at the end of each reporting period as follows:

	Edison International				SCE
	December 31,
(in millions)	2013		2012		2013		2012
Cash reclassified to accounts payable	$	168	$	247	$	163	$	242

Estimated Useful Lives (Authorized by the CPUC) and Weighted-Average Useful Lives of Property, Plant and Equipment

Estimated useful lives (authorized by the CPUC) and weighted-average useful lives of SCE's property, plant and equipment, are as follows:

	Estimated Useful Lives	Weighted-Average Useful Lives
Generation plant	12 years to 60 years	38 years
Distribution plant	20 years to 60 years	40 years
Transmission plant	40 years to 65 years	46 years
General plant and other	5 years to 60 years	23 years

Reconciliation of the Changes in ARO Liability

The following table summarizes the changes in SCE's ARO liability, including San Onofre and Palo Verde:

	December 31,
(in millions)	2013			2012
Beginning balance	$	2,782		$	2,610
Accretion1	182			161
Revisions	455			12
Liabilities settled	(1		)	(1		)
Ending balance	$	3,418		$	2,782

Amortization of deferred financing costs

Amortization of deferred financing costs charged to interest expense is as follows:

	Edison International						SCE
	December 31,
(in millions)	2013		2012		2011		2013		2012		2011
Amortization of deferred financing costs charged to interest expense	$	47	$	30	$	34	$	46	$	29	$	33

EPS Attributable to Edison International Common Shareholders

EPS attributable to Edison International common shareholders was computed as follows:

	Years ended December 31,
(in millions)	2013		2012			2011
Basic earnings per share – continuing operations:
Income from continuing operations available to common shareholders	$	879	$	1,503		$	1,041
Weighted average common shares outstanding	326		326			326
Basic earnings per share – continuing operations	$	2.70	$	4.61		$	3.20
Diluted earnings per share – continuing operations:
Income from continuing operations available to common shareholders	$	879	$	1,503		$	1,041
Income impact of assumed conversions	1		(1		)	(1		)
Income from continuing operations available to common shareholders and assumed conversions	$	880	$	1,502		$	1,040
Weighted average common shares outstanding	326		326			326
Incremental shares from assumed conversions	3		4			3
Adjusted weighted average shares – diluted	329		330			329
Diluted earnings per share – continuing operations	$	2.67	$	4.55		$	3.17