XML 48 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9
Compensation and Benefit Plans (Workforce Reduction) (Details) (Southern California Edison, Employee severance, USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Southern California Edison | Employee severance
  
Restructuring Reserve [Roll Forward]  
Balance at January 1, 2015 $ 35us-gaap_RestructuringReserve
/ dei_LegalEntityAxis
= eix_SouthernCaliforniaEdisonCompanyMember
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
Additions 0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= eix_SouthernCaliforniaEdisonCompanyMember
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
Payments (23)us-gaap_PaymentsForRestructuring
/ dei_LegalEntityAxis
= eix_SouthernCaliforniaEdisonCompanyMember
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember
Balance at March 31, 2015 $ 12us-gaap_RestructuringReserve
/ dei_LegalEntityAxis
= eix_SouthernCaliforniaEdisonCompanyMember
/ us-gaap_RestructuringCostAndReserveAxis
= us-gaap_EmployeeSeveranceMember