v2.4.1.9

CALIFORNIA UTILITIES' REGULATORY MATTERS - SCHEDULE OF UTILITY PROJECTS (Details) (USD $) | 12 Months Ended | 3 Months Ended |
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Dec. 31, 2014 | Mar. 31, 2015 | Jun. 11, 2014
Pipeline Safety Phase 1 [Member] | San Diego Gas and Electric Company [Member] |  |  |
Schedule Of Utility Projects [Line Items] |  |  |
Pipeline Safety Plan Regulatory Account |  | $ 4,000,000 us-gaap_RegulatoryAssets / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_PipelineSafetyPhase1Member | $ 100,000 us-gaap_RegulatoryAssets / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_PipelineSafetyPhase1Member
Pipeline Safety Phase 1 [Member] | Southern California Gas Company [Member] |  |  |
Schedule Of Utility Projects [Line Items] |  |  |
Pipeline Safety Plan Regulatory Account |  | 104,000,000 us-gaap_RegulatoryAssets / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_PipelineSafetyPhase1Member | 46,000,000 us-gaap_RegulatoryAssets / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_PipelineSafetyPhase1Member
Disallowed Costs Impact On Earnings After Tax | 5,000,000 sre_DisallowedCostsImpactOnEarningsAfterTax / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_PipelineSafetyPhase1Member |  |
South Orange County Reliability Enhancement [Member] | San Diego Gas and Electric Company [Member] |  |  |
Schedule Of Utility Projects [Line Items] |  |  |
Estimated Project Cost, Lower Range |  | 400,000,000 sre_EstimatedProjectCostLowerRange / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_SouthOrangeCountyReliabilityEnhancementMember |
Estimated Project Cost, Upper Range |  | 500,000,000 sre_EstimatedProjectCostUpperRange / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_SouthOrangeCountyReliabilityEnhancementMember |
Cleveland National Forest Transmissions Projects [Member] | San Diego Gas and Electric Company [Member] |  |  |
Schedule Of Utility Projects [Line Items] |  |  |
Estimated Project Cost, Lower Range |  | 400,000,000 sre_EstimatedProjectCostLowerRange / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_ClevelandNationalForestTransmissionsProjectsMember |
Estimated Project Cost, Upper Range |  | 450,000,000 sre_EstimatedProjectCostUpperRange / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_ClevelandNationalForestTransmissionsProjectsMember |
Southern Gas System Member [Member] | Utility Subsidiaries [Member] |  |  |
Schedule Of Utility Projects [Line Items] |  |  |
Estimated Project Cost, Lower Range |  | 800,000,000 sre_EstimatedProjectCostLowerRange / dei_LegalEntityAxis = sre_UtilitySubsidiariesMember / sre_UtilityProjectsByProjectNameAxis = sre_SouthernGasSystemMemberMember |
Estimated Project Cost, Upper Range |  | 850,000,000 sre_EstimatedProjectCostUpperRange / dei_LegalEntityAxis = sre_UtilitySubsidiariesMember / sre_UtilityProjectsByProjectNameAxis = sre_SouthernGasSystemMemberMember |
Sycamore Penasquitos Transmission Project [Member] | San Diego Gas and Electric Company [Member] |  |  |
Schedule Of Utility Projects [Line Items] |  |  |
Estimated Project Cost, Lower Range |  | 120,000,000 sre_EstimatedProjectCostLowerRange / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_SycamorePenasquitosTransmissionProjectMember |
Estimated Project Cost, Upper Range |  | $ 150,000,000 sre_EstimatedProjectCostUpperRange / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_SycamorePenasquitosTransmissionProjectMember |
Public Utilities Requested Basis Point Return On Equity Adder, Denied |  | 100 sre_PublicUtilitiesRequestedBasisPointReturnOnEquityAdderDenied / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_SycamorePenasquitosTransmissionProjectMember |
Public Utilities Abandoned Plant Cost Recovery Approved, Percentage |  | 100.00%sre_PublicUtilitiesAbandonedPlantCostRecoveryApprovedPercentage / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember / sre_UtilityProjectsByProjectNameAxis = sre_SycamorePenasquitosTransmissionProjectMember |

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- Definition Estimated project cost, upper range. + References No definition available. + Details
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- Details
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- Definition The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + 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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