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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2013
Income Tax Disclosure [Abstract] |
Reconciliation of income tax expense | The table below provides a reconciliation of income tax expense computed at the federal statutory income tax rate to the income tax provision:
| Edison International |  | SCE
| Three months ended March 31,
(in millions) | 2013 |  | 2012 |  | 2013 |  | 2012
Income from continuing operations before income taxes | $ | 384 |  |  | $ | 287 |  |  | $ | 395 |  |  | $ | 300 |
Provision for income tax at federal statutory rate of 35% | 134 |  |  | 101 |  |  | 138 |  |  | 105 |
Increase (decrease) in income tax from: |  |  |  |  |  |  |  |  |  |  |
Items presented with related state income tax, net: |  |  |  |  |  |  |  |  |  |  |
State tax, net of federal benefit | 3 |  |  | 6 |  |  | 14 |  |  | 10 |
Property-related | (41 | ) |  | (10 | ) |  | (42 | ) |  | (10 | )
Uncertain tax positions | 7 |  |  | 1 |  |  | 7 |  |  | — |
Other | (5 | ) |  | (7 | ) |  | (5 | ) |  | (6 | )
Total income tax expense from continuing operations | $ | 98 |  |  | $ | 91 |  |  | $ | 112 |  |  | $ | 99 |
Effective tax rate | 25.5 | % |  | 31.7 | % |  | 28.4 | % |  | 33.0 | %

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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