Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2014

Significant Accounting Policies [Line Items]

Revision to Consolidated Statement of Cash Flow

The following table presents the cash flow statement effects related to the revision for the nine months ended September 30, 2013 and the year ended December 31, 2013:

	Edison International									Southern California Edison
(in millions)	As Reported			Adjustment			As Revised			As Reported			Adjustment			As Revised
Nine months ended September 30, 2013
Cash flows from operating activities:
Adjustments to reconcile to net cash provided by operating activities:
Regulatory impacts of net nuclear decommissioning trust earnings	$	265		$	(183	)	$	82		$	265		$	(183	)	$	82
Total cash provided by operating activities	2,253			(183		)	2,070			2,346			(183		)	2,163
Cash flows from investing activities:
Purchases of nuclear decommissioning trust investments	(4,857		)	183			(4,674		)	(4,857		)	183			(4,674		)
Total cash used by investing activities	(3,088		)	183			(2,905		)	(3,065		)	183			(2,882		)

	Edison International									Southern California Edison
(in millions)	As Reported			Adjustment			As Revised			As Reported			Adjustment			As Revised
Year ended December 31, 2013
Cash flows from operating activities:
Adjustments to reconcile to net cash provided by operating activities:
Regulatory impacts of net nuclear decommissioning trust earnings	$	312		$	(236	)	$	76		$	312		$	(236	)	$	76
Total cash provided by operating activities	3,203			(236		)	2,967			3,284			(236		)	3,048
Cash flows from investing activities:
Purchases of nuclear decommissioning trust investments	(5,951		)	236			(5,715		)	(5,951		)	236			(5,715		)
Total cash used by investing activities	(3,808		)	236			(3,572		)	(3,783		)	236			(3,547		)

Cash Equivalents

The cash equivalents were as follows:

	Edison International				SCE
(in millions)	September 30, 2014		December 31, 2013		September 30, 2014		December 31, 2013
Money market funds	$	40	$	68	$	8	$	8

	Edison International				SCE
(in millions)	September 30, 2014		December 31, 2013		September 30, 2014		December 31, 2013
Book balances reclassified to accounts payable	$	191	$	168	$	190	$	163

EPS Attributable to Edison International Common Shareholders

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

	Three months ended September 30,				Nine months ended September 30,
(in millions, except per-share amounts)	2014		2013		2014		2013
Basic earnings per share – continuing operations:
Income from continuing operations available to common shareholders	$	496	$	463	$	1,046	$	615
Weighted average common shares outstanding	326		326		326		326
Basic earnings per share – continuing operations	$	1.52	$	1.42	$	3.21	$	1.88
Diluted earnings per share – continuing operations:
Income from continuing operations available to common shareholders	$	496	$	463	$	1,046	$	615
Income impact of assumed conversions	—		—		1		1
Income from continuing operations available to common shareholders and assumed conversions	$	496	$	463	$	1,047	$	616
Weighted average common shares outstanding	326		326		326		326
Incremental shares from assumed conversions	3		2		3		3
Adjusted weighted average shares – diluted	329		328		329		329
Diluted earnings per share – continuing operations	$	1.51	$	1.41	$	3.18	$	1.87

Southern California Edison

Significant Accounting Policies [Line Items]

Changes in ARO Liability

The following table summarizes the changes in SCE's ARO liability for the nine month period ended September 30, 2014 and the twelve month period ended December 31, 2013, including San Onofre and Palo Verde:

(in millions)	September 30, 2014			December 31, 2013
Beginning balance	$	3,418		$	2,782
Accretion1	150			182
Revisions	(604		)	455
Liabilities settled	(4		)	(1		)
Ending balance	$	2,960		$	3,418

¹  An ARO represents the present value of a future obligation. Accretion is an increase in the liability to account for the time value of money resulting from discounting.