Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2013

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
(in millions)	September 30, 2013		December 31, 2012		September 30, 2013		December 31, 2012
Uncleared checks reclassified to accounts payable	$	202	$	247	$	201	$	242

The cash equivalents were as follows:



	Edison International				SCE
(in millions)	September 30, 2013		December 31, 2012		September 30, 2013		December 31, 2012
Money market funds	$	518	$	107	$	453	$	5

Inventory Components

Inventory consisted of the following:



(in millions)	September 30, 2013		December 31, 2012
Materials, supplies and spare parts	$	250	$	319
Fuel	22		21
Total inventory	$	272	$	340

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)	2013		2012		2013		2012
Basic earnings per share – continuing operations:
Income from continuing operations available to common shareholders	$	463	$	357	$	615	$	717
Weighted average common shares outstanding	326		326		326		326
Basic earnings per share – continuing operations	$	1.42	$	1.09	$	1.88	$	2.20
Diluted earnings per share – continuing operations:
Income from continuing operations available to common shareholders	$	463	$	357	$	615	$	717
Income impact of assumed conversions	—		—		1		—
Income from continuing operations available to common shareholders and assumed conversions	$	463	$	357	$	616	$	717
Weighted average common shares outstanding	326		326		326		326
Incremental shares from assumed conversions	2		3		3		2
Adjusted weighted average shares – diluted	328		329		329		328
Diluted earnings per share – continuing operations	$	1.41	$	1.09	$	1.87	$	2.18

Asset Retirement Obligation



(in millions)	September 30, 2013		December 31, 2012
Beginning balance	$	2,782	$	2,610
Accretion expense¹	134		161
Revisions	455		12
Liabilities settled	—		(1		)
Ending balance	$	3,371	$	2,782

- Definition

The entire disclosure for earnings per share.

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- Definition

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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