v2.4.1.9

OTHER FINANCIAL DATA - VARIABLE INTEREST ENTITIES (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Variable Interest Entities [Line Items] |  |  |
Cost Of Electric Fuel And Purchased Power From Utilities | $ 481 us-gaap_CostOfDomesticRegulatedElectric | $ 510 us-gaap_CostOfDomesticRegulatedElectric |
Other operation and maintenance | 658 us-gaap_OtherCostAndExpenseOperating | 676 us-gaap_OtherCostAndExpenseOperating |
Depreciation and amortization | 303 us-gaap_DepreciationAndAmortization | 286 us-gaap_DepreciationAndAmortization |
Other income (expense), net | 39 us-gaap_NonoperatingIncomeExpense | 40 us-gaap_NonoperatingIncomeExpense |
Interest expense | 134 us-gaap_InterestExpense | 136 us-gaap_InterestExpense |
Net income | 458 us-gaap_ProfitLoss | 266 us-gaap_ProfitLoss |
Earnings attributable to noncontrolling interest | (21)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (19)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
Earnings attributable to common shares | 437 us-gaap_NetIncomeLoss | 247 us-gaap_NetIncomeLoss |
Cameron LNG Holdings [Member] |  |  |
Schedule Of Equity Method And Other Investments [Line Items] |  |  |
Equity Method And Other Investments | 969 sre_Equitymethodandotherinvestments / sre_ScheduleofequitymethodandotherinvestmentsinvesteenameaxisAxis = sre_CameronlngholdingsmemberMember |  | 1,007 sre_Equitymethodandotherinvestments / sre_ScheduleofequitymethodandotherinvestmentsinvesteenameaxisAxis = sre_CameronlngholdingsmemberMember
Otay Mesa VIE [Member] |  |  |
Variable Interest Entities [Line Items] |  |  |
Cost Of Electric Fuel And Purchased Power From Utilities | (18)us-gaap_CostOfDomesticRegulatedElectric / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | (18)us-gaap_CostOfDomesticRegulatedElectric / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Other operation and maintenance | 4 us-gaap_OtherCostAndExpenseOperating / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | 5 us-gaap_OtherCostAndExpenseOperating / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Depreciation and amortization | 6 us-gaap_DepreciationAndAmortization / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | 7 us-gaap_DepreciationAndAmortization / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Operating Expenses | (8)us-gaap_OperatingExpenses / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | (6)us-gaap_OperatingExpenses / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Utility operating income | 8 us-gaap_OperatingIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | 6 us-gaap_OperatingIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Interest expense | (4)us-gaap_InterestExpense / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | (4)us-gaap_InterestExpense / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Net income | 4 us-gaap_ProfitLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | 2 us-gaap_ProfitLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Earnings attributable to noncontrolling interest | (4)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | (2)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Earnings attributable to common shares | 0 us-gaap_NetIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember | 0 us-gaap_NetIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |
Equity of variable interest entity | 59 us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |  | 60 us-gaap_VariableInterestEntityConsolidatedCarryingAmountAssetsAndLiabilitiesNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember
Secured debt of variable interest entity | $ 322 us-gaap_SecuredDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = sre_OwnershipInterestsHeldByOthersOtayMesaVieMember |  |

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