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Preferred and Preference Stock of Utility (Schedule of Preferred and Preference Stock) (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Preferred and Preference Stock of Utility |  |
Edison International's preferred and preference stock of utility | $ 2,193 | $ 2,191
SCE |  |
Preferred and Preference Stock of Utility |  |
Edison International's preferred and preference stock of utility | $ 2,245 | 2,245
SCE | 4.08% Series |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 4.08% |
Shares Outstanding | 650,000 |
Redemption Price (in dollars per share) | $ 25.5 |
Preferred stock before issuance costs | $ 16 | 16
Preferred stock, par value (in dollars per share) | $ 25 |
SCE | 4.24% Series |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 4.24% |
Shares Outstanding | 1,200,000 |
Redemption Price (in dollars per share) | $ 25.8 |
Preferred stock before issuance costs | $ 30 | 30
Preferred stock, par value (in dollars per share) | $ 25 |
SCE | 4.32% Series |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 4.32% |
Shares Outstanding | 1,653,429 |
Redemption Price (in dollars per share) | $ 28.75 |
Preferred stock before issuance costs | $ 41 | 41
Preferred stock, par value (in dollars per share) | $ 25 |
SCE | 4.78% Series |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 4.78% |
Shares Outstanding | 1,296,769 |
Redemption Price (in dollars per share) | $ 25.8 |
Preferred stock before issuance costs | $ 33 | 33
Preferred stock, par value (in dollars per share) | $ 25 |
SCE | Preference stock |  |
Preferred and Preference Stock of Utility |  |
Preferred stock before issuance costs | $ 2,245 | 2,245
Less issuance costs | (52) | (54)
Edison International's preferred and preference stock of utility | $ 2,193 | 2,191
SCE | 6.25% Series E (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 6.25% |
Shares Outstanding | 350,000 |
Redemption Price (in dollars per share) | $ 1,000 |
Preferred stock before issuance costs | $ 350 | 350
SCE | 5.625% Series F (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 5.625% |
Shares Outstanding | 190,004 |
Redemption Price (in dollars per share) | $ 2,500 |
Preferred stock before issuance costs | $ 0 | 475
SCE | 5.10% Series G (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 5.10% |
Shares Outstanding | 160,004 |
Redemption Price (in dollars per share) | $ 2,500.00 |
Preferred stock before issuance costs | $ 400 | 400
SCE | 5.75% Series H (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 5.75% |
Shares Outstanding | 110,004 |
Redemption Price (in dollars per share) | $ 2,500.00 |
Preferred stock before issuance costs | $ 275 | 275
SCE | 5.375% Series J (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 5.375% |
Shares Outstanding | 130,004 |
Redemption Price (in dollars per share) | $ 2,500.00 |
Preferred stock before issuance costs | $ 325 | 325
SCE | 5.45% Series K (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 5.45% |
Shares Outstanding | 120,004 |
Redemption Price (in dollars per share) | $ 2,500 |
Preferred stock before issuance costs | $ 300 | 300
SCE | 5.00% Series L (cumulative) |  |
Preferred and Preference Stock of Utility |  |
Preferred Stock, dividend rate, (as a percent) | 5.00% |
Shares Outstanding | 190,004 |
Redemption Price (in dollars per share) | $ 2,500 |
Preferred stock before issuance costs | $ 475 | $ 0

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