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v2.4.0.8

Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Premiums Discounts and Issuance Costs of Long Term Debt | $ 1 | $ 4
Southern California Edison |  |
Premiums Discounts and Issuance Costs of Long Term Debt | $ 0 | $ 4

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- Definition Premiums Discounts and Issuance Costs of Long Term Debt + References No definition available. + Details
Name: | eix_PremiumsDiscountsandIssuanceCostsofLongTermDebt
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration