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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2017
Accounting Policies [Abstract] |
Cash Equivalents | The cash equivalents were as follows:
|  | Edison International |  | SCE
(in millions) |  | June 30, 2017 |  | December 31, 2016 |  | June 30, 2017 |  | December 31, 2016
Money market funds |  | $ | 41 |  |  | $ | 41 |  |  | $ | 18 |  |  | $ | 18 |
Cash is temporarily invested until required for check clearing. 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, 2017 |  | December 31, 2016 |  | June 30, 2017 |  | December 31, 2016
Book balances reclassified to accounts payable |  | $ | 54 |  |  | $ | 138 |  |  | $ | 54 |  |  | $ | 136 |
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, except per-share amounts) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Basic earnings per share – continuing operations: |  |  |  |  |  |  |  |
Income from continuing operations attributable to common shareholders |  | $ | 278 |  |  | $ | 282 |  |  | $ | 640 |  |  | $ | 562 |
Participating securities dividends |  | — |  |  | — |  |  | — |  |  | — |
Income from continuing operations available to common shareholders |  | $ | 278 |  |  | $ | 282 |  |  | $ | 640 |  |  | $ | 562 |
Weighted average common shares outstanding |  | 326 |  |  | 326 |  |  | 326 |  |  | 326 |
Basic earnings per share – continuing operations |  | $ | 0.85 |  |  | $ | 0.87 |  |  | $ | 1.96 |  |  | $ | 1.72 |
Diluted earnings per share – continuing operations: |  |  |  |  |  |  |  |
Income from continuing operations attributable to common shareholders |  | $ | 278 |  |  | $ | 282 |  |  | $ | 640 |  |  | $ | 562 |
Participating securities dividends |  | — |  |  | — |  |  | — |  |  | — |
Income from continuing operations available to common shareholders |  | $ | 278 |  |  | $ | 282 |  |  | $ | 640 |  |  | $ | 562 |
Income impact of assumed conversions |  | — |  |  | — |  |  | — |  |  | — |
Income from continuing operations available to common shareholders and assumed conversions |  | $ | 278 |  |  | $ | 282 |  |  | $ | 640 |  |  | $ | 562 |
Weighted average common shares outstanding |  | 326 |  |  | 326 |  |  | 326 |  |  | 326 |
Incremental shares from assumed conversions |  | 3 |  |  | 4 |  |  | 3 |  |  | 4 |
Adjusted weighted average shares – diluted |  | 329 |  |  | 330 |  |  | 329 |  |  | 330 |
Diluted earnings per share – continuing operations |  | $ | 0.85 |  |  | $ | 0.86 |  |  | $ | 1.95 |  |  | $ | 1.70 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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