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Discontinued Operations (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2014 installment | Apr. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
EME settlement payments |  |  |  |  | $ 176 | $ 225 |
Less: Income from discontinued operations |  |  | $ 43 |  | 43 | 146 |
Income (loss) from discontinued operations, net of tax |  |  | 43 | $ (16) | 43 | 146 |
Edison Mission Energy |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
EME settlement payments |  | $ 225 |  |  |  |  |
Number of payment installments | installment | 2 |  |  |  |  |  |
First installment payment |  |  | $ 204 |  | 204 |  |
Edison Mission Energy | Scenario, Forecast |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Second installment payment |  |  |  |  |  |  | $ 214
Edison International Parent and Other |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Insurance recoveries, net of tax |  |  |  |  | 16 |  |
Insurance recoveries |  |  |  |  | 28 |  |
Tax adjustments, settlements, unusual provisions |  |  |  |  | $ 27 | $ 22 |

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