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Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2014
Significant Accounting Policies [Line Items]  
Cash Equivalents
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)
 
June 30,
2014
 
December 31, 2013
 
June 30,
2014
 
December 31, 2013
Book balances reclassified to accounts payable
 
$
148

 
$
168

 
$
143

 
$
163

The cash equivalents were as follows:
 
 
Edison International
 
SCE
(in millions)
 
June 30,
2014
 
December 31, 2013
 
June 30,
2014
 
December 31, 2013
Money market funds
 
$
63

 
$
68

 
$
5

 
$
8
EPS Attributable to Edison International Common Shareholders
EPS attributable to Edison International common shareholders was computed as follows:
 
 
Three months ended June 30,
 
Six months ended June 30,
(in millions)
 
2014
 
2013
 
2014
 
2013
Basic earnings per share – continuing operations:
 
 
 
 
 
 
 
 
Income (loss) from continuing operations available to common shareholders
 
$
352

 
$
(106
)
 
$
550

 
$
152

Weighted average common shares outstanding
 
326

 
326

 
326

 
326

Basic earnings per share – continuing operations
 
$
1.08

 
$
(0.33
)
 
$
1.69

 
$
0.47

Diluted earnings per share – continuing operations:
 
 
 
 
 
 
 
 
Income (loss) from continuing operations available to common shareholders
 
$
352

 
$
(106
)
 
$
550

 
$
152

Income impact of assumed conversions
 
1

 
—

 
1

 
—

Income (loss) from continuing operations available to common shareholders and assumed conversions
 
$
353

 
$
(106
)
 
$
551

 
$
152

Weighted average common shares outstanding
 
326

 
326

 
326

 
326

Incremental shares from assumed conversions
 
3

 
—

1 
3

 
3

Adjusted weighted average shares – diluted
 
329

 
326

 
329

 
329

Diluted earnings per share – continuing operations
 
$
1.07

 
$
(0.33
)
 
$
1.68

 
$
0.47


1 
Due to a loss for the three months ended June 30, 2013, there were no incremental shares in the computation because such shares would be considered antidilutive.
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 six month period ended June 30, 2014 and the twelve month period ended December 31, 2013, including San Onofre and Palo Verde:
(in millions)
June 30,
2014
 
December 31,
2013
Beginning balance
$
3,418

 
$
2,782

Accretion1
106

 
182

Revisions
(604
)
 
455

Liabilities settled
(1
)
 
(1
)
Ending balance
$
2,919

 
$
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.