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Compensation and Benefit Plans (Textual) (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2017 USD ($)
Pension Plans |  |
Pension and Other Postretirement Benefits |  |
Employer contributions |  | $ 76.0
Estimated future contributions in remainder of year | $ 60.0 | 60.0
Settlement loss | (7.7) |
Settlement loss, net of tax | 4.6 |
PBOP Plan |  |
Pension and Other Postretirement Benefits |  |
Employer contributions |  | 10.0
Estimated future contributions in remainder of year | 11.0 | 11.0
Southern California Edison | Pension Plans |  |
Pension and Other Postretirement Benefits |  |
Employer contributions |  | 44.0
Estimated future contributions in remainder of year | $ 41.0 | $ 41.0

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