2.2.0.7 true DEBT AND CREDIT FACILITIES (Details) (USD $) 040600 - Disclosure - DEBT AND CREDIT FACILITIES (Details) true false false false 1 USD false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 2 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 3 USD true false false false sre_RockiesExpressMember us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis xbrldi http://xbrl.org/2006/xbrldi sre_RockiesExpressMember us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 4 USD true false false false sre_SodigasPampeanaMember us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis xbrldi http://xbrl.org/2006/xbrldi sre_SodigasPampeanaMember us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 5 USD true false false false sre_SodigasSurMember us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis xbrldi http://xbrl.org/2006/xbrldi sre_SodigasSurMember us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 6 USD true false false false sre_LineOfCreditFacilitySempraEnergyConsolidatedMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySempraEnergyConsolidatedMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 7 USD true false false false sre_LineOfCreditFacilitySempraEnergyConsolidatedMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySempraEnergyConsolidatedMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 8 USD true false false false sre_LineOfCreditFacilitySempraEnergyMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySempraEnergyMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 9 USD true false false false sre_LineOfCreditFacilitySempraGlobalMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySempraGlobalMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 10 USD true false false false sre_LineOfCreditFacilitySempraUtilitiesCombinedMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySempraUtilitiesCombinedMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 11 USD true false false false sre_LineOfCreditFacilitySDGEMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySDGEMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 12 USD true false false false sre_LineOfCreditFacilitySoCalGasMember us-gaap_LineOfCreditFacilityAxis xbrldi http://xbrl.org/2006/xbrldi sre_LineOfCreditFacilitySoCalGasMember us-gaap_LineOfCreditFacilityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 5 Line of Credit Facility [Line Items] 3 us-gaap_LineOfCreditFacilityLineItems us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:stringItemType string Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. false 6 Committed lines of credit, maximum borrowing capacity 4 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity us-gaap true credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 true true false false 4300000000 4300000000 true false false 7 false false false false 0 0 true false false 8 true true false false 1000000000 1000000000 true false false 9 true true false false 2500000000 2500000000 true false false 10 true true false false 800000000 800000000 true false false 11 true true false false 600000000 600000000 true false false 12 true true false false 600000000 600000000 true false false xbrli:monetaryItemType monetary Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false 7 Committed lines of credit, remaining borrowing capacity 4 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity us-gaap true credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false true false false 3100000000 3100000000 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false true false false 275000000 275000000 true false false 12 false true false false 475000000 475000000 true false false xbrli:monetaryItemType monetary Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false 8 Committed lines of credit, capacity for issuance of letters of credit 4 sre_LineOfCreditFacilityLettersOfCreditCapacity sre false credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false true false false 300000000 300000000 true false false 10 false true false false 200000000 200000000 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 9 Committed lines of credit, letters of credit outstanding 4 sre_LineOfCreditFacilityLettersOfCreditOutstanding sre false credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false true false false 7000000 7000000 true false false 10 false false false false 0 0 true false false 11 false true false false 25000000 25000000 true false false 12 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 10 Outstanding commercial paper supported by committed lines of credit 4 us-gaap_CommercialPaper us-gaap true credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false true false false 860000000 860000000 true false false 10 false false false false 0 0 true false false 11 false true false false 63000000 63000000 true false false 12 false false false false 0 0 true false false xbrli:monetaryItemType monetary Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. 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No authoritative reference available. false 12 Weighted average interest rate on total short-term debt outstanding 4 us-gaap_ShortTermDebtWeightedAverageInterestRate us-gaap true na instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false true false false 0.47 0.47 true false false 7 false true false false 0.79 0.79 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false true false false 0.24 0.24 true false false 12 false false false false 0 0 true false false us-types:percentItemType pure Reflects the calculation as of the balance-sheet date of the average interest rate weighted by the amount of short-term debt outstanding by type or by instrument at that time. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph b -Article 5 false 13 Guarantees [Abstract] 1 sre_GuaranteesAbstract sre false na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 14 Net trading liabilities of RBS Sempra Commodities supported by Sempra Energy's guarantees 2 sre_GuarantorObligationsLiabilitiesOfJointVenture sre false credit instant No definition available. false false false false false false false false false false false terselabel false 1 false true false false 632000000 632000000 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 15 Revolving credit facility at Rockies Express, maximum borrowing capacity 2 sre_GuarantorObligationsEquityMethodInvestmentLineOfCreditFacilityMaximumBorrowingCapacity sre false credit instant No definition available. false false false false false false false false false false false terselabel false 1 false true false false 200000000 200000000 false false false 2 false true false false 2000000000 2000000000 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 16 Long-term debt outstanding at Rockies Express 2 sre_GuarantorObligationsEquityMethodInvestmentLongTermDebtOutstanding sre false credit instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 true true false false 1700000000 1700000000 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 18 Schedule of Equity Method Investments [Line Items] 2 us-gaap_ScheduleOfEquityMethodInvestmentsLineItems us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false xbrli:stringItemType string Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. false 19 Ownership percentage in equity method investee 3 us-gaap_EquityMethodInvestmentOwnershipPercentage us-gaap true na instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 25 25 true false false 4 false true false false 43 43 true false false 5 false true false false 43 43 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false us-types:percentItemType pure The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) false 20 Ownership percentage of minority partner in equity method investee 3 sre_EquityMethodInvestmentOwnershipPercentageOfMinorityPartner sre false na instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 25 25 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false us-types:percentItemType pure No definition available. No authoritative reference available. false 21 Ownership percentage of operating partner in equity method investee 3 sre_EquityMethodInvestmentOwnershipPercentageOfOperatingPartner sre false na instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 50 50 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false 9 false false false false 0 0 true false false 10 false false false false 0 0 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false us-types:percentItemType pure No definition available. No authoritative reference available. false 12 16 false NoRounding UnKnown UnKnown false true