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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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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 |
Accretion 1 | 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.

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