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Document and Entity Information | 9 Months Ended |
--- | --- | ---
Sep. 30, 2011 | Oct. 31, 2011
Document And Entity Information [Abstract] |  |
Entity Registrant Name | SOUTHERN CALIFORNIA EDISON CO |
Entity Central Index Key | 0000092103 |
Current Fiscal Year End Date | --12-31 |
Entity Filer Category | Non-accelerated Filer |
Document Type | 10-Q |
Document Period End Date | Sep. 30, 2011 |
Document Fiscal Year Focus | 2011 |
Document Fiscal Period Focus | Q3 |
Amendment Flag | false |
Entity Common Stock, Shares Outstanding |  | 434,888,104

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