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Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net income (loss) | $ 1,721 us-gaap_ProfitLoss |  | $ 1,015 us-gaap_ProfitLoss |  | $ (92)us-gaap_ProfitLoss
Pension and postretirement benefits other than pensions: |  |  |  |  |
Net gain (loss) arising during the period plus amortization included in net income (loss) | (47)eix_OtherComprehensiveIncomePensionAdjustmentNetGainsLossesandAmortization |  | 72 eix_OtherComprehensiveIncomePensionAdjustmentNetGainsLossesandAmortization |  | 13 eix_OtherComprehensiveIncomePensionAdjustmentNetGainsLossesandAmortization
Prior service cost arising during the period plus amortization included in net loss | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax |  | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax |  | 5 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax
Unrealized gain (loss) on derivatives qualified as cash flow hedges: |  |  |  |  |
Unrealized holding loss arising during the period | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax |  | 0 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax |  | (21)us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
Reclassification adjustments included in net loss | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax |  | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax |  | 55 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Other | 2 eix_OtherComprehensiveIncomeAdjustments |  | 2 eix_OtherComprehensiveIncomeAdjustments |  | 0 eix_OtherComprehensiveIncomeAdjustments
Other comprehensive income (loss), net of tax | (45)us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 74 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 52 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive income (loss) | 1,676 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |  | 1,089 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |  | (40)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Less: Comprehensive income attributable to noncontrolling interests | 109 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest |  | 100 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest |  | 91 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Comprehensive income (loss) | 1,567 us-gaap_ComprehensiveIncomeNetOfTax |  | 989 us-gaap_ComprehensiveIncomeNetOfTax |  | (131)us-gaap_ComprehensiveIncomeNetOfTax
Southern California Edison |  |  |  |  |
Net income (loss) | 1,565 us-gaap_ProfitLoss / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | [1] | 1,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember | [2] | 1,660 us-gaap_ProfitLoss / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Pension and postretirement benefits other than pensions: |  |  |  |  |
Net gain (loss) arising during the period plus amortization included in net income (loss) | (19)eix_OtherComprehensiveIncomePensionAdjustmentNetGainsLossesandAmortization / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | 16 eix_OtherComprehensiveIncomePensionAdjustmentNetGainsLossesandAmortization / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | (5)eix_OtherComprehensiveIncomePensionAdjustmentNetGainsLossesandAmortization / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Unrealized gain (loss) on derivatives qualified as cash flow hedges: |  |  |  |  |
Other | 2 eix_OtherComprehensiveIncomeAdjustments / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | 2 eix_OtherComprehensiveIncomeAdjustments / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | 0 eix_OtherComprehensiveIncomeAdjustments / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Other comprehensive income (loss), net of tax | (17)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | 18 us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | (5)us-gaap_OtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
Comprehensive income (loss) | $ 1,548 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | $ 1,018 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember |  | $ 1,655 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = eix_SouthernCaliforniaEdisonCompanyMember
[1] | In the first quarter of 2014, SCE recorded an impairment charge of $231 million ($96 million after-tax) in 2014. During the fourth quarter of 2014, SCE reduced its estimated impact of the San Onofre OII Settlement by $68 million ($24 million after-tax) consistent with the advice filing for reimbursement of recorded costs.
[2] | During the second quarter of 2013, SCE recorded an impairment charge of $575 million ($365 million after-tax) related to the permanent retirement of San Onofre Units 2 and 3

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