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v2.4.1.9

Interest and Other Income and Other Expenses (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Aug. 31, 2014 claims
SCE interest and other income: |  |  |  |
Interest and other income | $ 147 us-gaap_OtherNonoperatingIncome | $ 124 us-gaap_OtherNonoperatingIncome | $ 149 us-gaap_OtherNonoperatingIncome |
SCE other expenses: |  |  |  |
Total Edison International other expenses | 80 us-gaap_OtherNonoperatingExpense | 74 us-gaap_OtherNonoperatingExpense | 52 us-gaap_OtherNonoperatingExpense |
Southern California Edison |  |  |  |
SCE interest and other income: |  |  |  |
Equity allowance for funds used during construction | 65 us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 72 us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 96 us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Increase in cash surrender value of life insurance policies and life insurance benefits | 36 eix_IncreaseDecreaseInCashSurrenderValueOfLifeInsurancePolicies / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 30 eix_IncreaseDecreaseInCashSurrenderValueOfLifeInsurancePolicies / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 27 eix_IncreaseDecreaseInCashSurrenderValueOfLifeInsurancePolicies / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Interest income | 5 us-gaap_InterestIncomeOther / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 10 us-gaap_InterestIncomeOther / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 7 us-gaap_InterestIncomeOther / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Other | 16 eix_OtherIncomeExcludingCompetitivePowerGeneration / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 10 eix_OtherIncomeExcludingCompetitivePowerGeneration / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 14 eix_OtherIncomeExcludingCompetitivePowerGeneration / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Total SCE interest and other income | 122 eix_OtherUtilityIncome / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 122 eix_OtherUtilityIncome / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 144 eix_OtherUtilityIncome / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Interest and other income | 122 us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 122 us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 144 us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
SCE other expenses: |  |  |  |
Civic, political and related activities and donations | 35 eix_CivicPoliticalRelatedActivitiesAndDonations / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 37 eix_CivicPoliticalRelatedActivitiesAndDonations / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 32 eix_CivicPoliticalRelatedActivitiesAndDonations / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Penalties | 16 eix_LitigationSettlementPenaltiesPaidtoState / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 20 eix_LitigationSettlementPenaltiesPaidtoState / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 0 eix_LitigationSettlementPenaltiesPaidtoState / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Other | 28 eix_OtherExpenseExcludingCompetitivePowerGeneration / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 17 eix_OtherExpenseExcludingCompetitivePowerGeneration / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 18 eix_OtherExpenseExcludingCompetitivePowerGeneration / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Total SCE other expenses | 79 eix_OtherUtilityExpense / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 74 eix_OtherUtilityExpense / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 50 eix_OtherUtilityExpense / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Total Edison International other expenses | 79 us-gaap_OtherNonoperatingExpense / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 74 us-gaap_OtherNonoperatingExpense / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | 50 us-gaap_OtherNonoperatingExpense / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |
Edison International |  |  |  |
SCE interest and other income: |  |  |  |
Edison International Parent and Other income | 25 eix_CompetitivePowerGenerationAndOtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2 eix_CompetitivePowerGenerationAndOtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 5 eix_CompetitivePowerGenerationAndOtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
SCE other expenses: |  |  |  |
Edison International Parent and Other other expenses | 1 eix_CompetitivePowerGenerationAndOtherExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 eix_CompetitivePowerGenerationAndOtherExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2 eix_CompetitivePowerGenerationAndOtherExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
San Bernardino and San Gabriel | Southern California Edison |  |  |  |
Other Income And Expense [Line Items] |  |  |  |
Loss Contingency, Claims Settled, Number |  |  |  | 2 us-gaap_LossContingencyClaimsSettledNumber / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember / us-gaap_LitigationCaseAxis = eix_SanBernardinoandSanGabrielMember
State General Fund Member | San Bernardino and San Gabriel | Southern California Edison |  |  |  |
Other Income And Expense [Line Items] |  |  |  |
Payments for Legal Settlements |  |  |  | 15 us-gaap_PaymentsForLegalSettlements / us-gaap_CounterpartyNameAxis = eix_StateGeneralFundMemberMember / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember / us-gaap_LitigationCaseAxis = eix_SanBernardinoandSanGabrielMember

X
- Definition This element represents civic, political and related activities and donations. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition This element represents the total other expenses of competitive power generation segment. + References No definition available. + Details
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Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition This element represents the total other income from competitive power generation segment. + References No definition available. + Details
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Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition This element represents the net change during the reporting period in cash surrender value of life insurance policies. + References No definition available. + Details
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Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
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- Definition Litigation Settlement Penalties Paid to State + References No definition available. + Details
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- Details
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- Definition This element represents other miscellaneous nonoperating income excluding competitive power generation. + References No definition available. + Details
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Namespace Prefix: | eix_
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Balance Type: | credit
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- Details
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- Definition This element represents the utility expenses not otherwise defined. + References No definition available. + Details
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Namespace Prefix: | eix_
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Balance Type: | debit
Period Type: | duration

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- Definition This element represents the utility income not otherwise defined. + References No definition available. + Details
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Namespace Prefix: | eix_
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Balance Type: | credit
Period Type: | duration

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- Definition Amount of interest income earned from interest bearing assets not separately disclosed. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition Number of claims settled. + References No definition available. + Details
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- Definition The aggregate amount of other expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating expense recognized during the period. Such amounts may include: (a) unusual costs, (b) loss on foreign exchange transactions, (c) losses on securities (net of profits), and (d) miscellaneous other expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 + Details
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 + Details
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- Details
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- Details
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- Details
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- Details
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