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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 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:
| Three months ended June 30, |  | Six months ended June 30,
(in millions) | 2013 |  | 2012 |  | 2013 |  | 2012
Edison International: |  |  |  |  |  |  |
Income (loss) from continuing operations before income taxes | $ | (184 | ) |  | $ | 307 |  |  | $ | 199 |  |  | $ | 593 |
Provision for income tax at federal statutory rate of 35% | (64 | ) |  | 107 |  |  | 70 |  |  | 207 |
Increase (decrease) in income tax from: |  |  |  |  |  |  |
State tax, net of federal benefit | (20 | ) |  | 8 |  |  | (17 | ) |  | 14 |
Property-related | (22 | ) |  | (10 | ) |  | (64 | ) |  | (19 | )
Uncertain tax positions | 11 |  |  | — |  |  | 18 |  |  | 1 |
Other | (7 | ) |  | (5 | ) |  | (11 | ) |  | (11 | )
Total income tax expense (benefit) from continuing operations | $ | (102 | ) |  | $ | 100 |  |  | $ | (4 | ) |  | $ | 192 |
Effective tax rate | * |  |  | 32.6 | % |  | * |  |  | 32.4 | %
SCE: |  |  |  |  |  |  |
Income (loss) from continuing operations before income taxes | $ | (166 | ) |  | $ | 322 |  |  | $ | 229 |  |  | $ | 622 |
Provision for income tax at federal statutory rate of 35% | (58 | ) |  | 113 |  |  | 80 |  |  | 218 |
Increase (decrease) in income tax from: |  |  |  |  |  |  |
State tax, net of federal benefit | (23 | ) |  | 10 |  |  | (9 | ) |  | 20 |
Property-related | (22 | ) |  | (10 | ) |  | (64 | ) |  | (20 | )
Uncertain tax positions | 11 |  |  | (1 | ) |  | 17 |  |  | — |
Other | (7 | ) |  | (4 | ) |  | (11 | ) |  | (10 | )
Total income tax expense (benefit) from continuing operations | $ | (99 | ) |  | $ | 108 |  |  | $ | 13 |  |  | $ | 208 |
Effective tax rate | * |  |  | 33.5 | % |  | 5.7 | % |  | 33.4 | %

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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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