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true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:stringItemType string Line items represent financial concepts included in a table. 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For example, an insurance recovery receivable to the extent that the insurance recovery is probable and does not exceed the amount of the loss previously recognized in the financial statements. 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No authoritative reference available. false 8 Loss Contingency, Settlement Agreement, Amount 3 sre_LossContingencySettlementAgreementAmount sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 true false false 410000000 410000000 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 9 Payments for Legal Settlements 3 us-gaap_PaymentsForLegalSettlements us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false true false false 14750000 14750000 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The amount of cash paid for the settlement of litigation or for other legal issues during the period. 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No authoritative reference available. false 11 Percentage of Total Claims to be Paid by Company 3 sre_PercentageOfClaimsPayments sre false na duration 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false true false false 0.575 0.575 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false us-types:percentItemType pure No definition available. No authoritative reference available. false 12 Total Individual And Business Claims 3 sre_TotalIndividualAndBusinessClaims sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false true false false 825000000 825000000 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 13 Total Government Entity Claims 3 sre_TotalGovernmentEntityClaims sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false true false false 150000000 150000000 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 14 Liability Insurance Coverage, Maximum 3 sre_LiabilityInsuranceCoverageMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 1100000000 1100000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 15 Regulatory Asset, Recovery Of Costs From Catastrophe 3 sre_RegulatoryAssetRecoveryOfCostsFromCatastrophe sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false true false false 311000000 311000000 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 17 Loss From Loss Contingencies [Line Items] 2 sre_LossFromLossContingenciesLineItems 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 18 Gain (Loss) Related to Litigation Settlement 3 us-gaap_GainLossRelatedToLitigationSettlement us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false true false false -20000000 -20000000 true false false 26 false true false false -139000000 -139000000 true false false 27 false true false false -159000000 -159000000 true false false xbrli:monetaryItemType monetary The net proceeds or assets obtained in excess of (less than) the net carrying amount of assets recorded, or assets distributed and liabilities assumed less than (in excess of) litigation reserves extinguished, in settlement of a litigation matter. Represents (for other than an insurance entity in its normal claims settlement process), the amount of income (expense) recognized in the period to settle pending or threatened litigation and insurance claims. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10, 11, 12 false 19 Loss Contingency, Loss in Period 3 us-gaap_LossContingencyLossInPeriod us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false true false false 7000000 7000000 true false false 24 false true false false 17000000 17000000 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9 false 21 Schedule Of Nuclear Insurance [Line Items] 2 sre_ScheduleOfNuclearInsuranceLineItems 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 22 Nuclear Liability Insurance Coverage, Maximum 3 sre_NuclearLiabilityInsuranceCoverageMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 375000000 375000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 23 Secondary Financial Protection, Maximum 3 sre_SecondaryFinancialProtectionMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 12200000000 12200000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 24 Secondary Financial Protection, Company Contribution, Maximum 3 sre_SecondaryFinancialProtectionCompanyContributionMaximum sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 47000000 47000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 25 Secondary Financial Protection, Company Contribution, Annual Maximum 3 sre_SecondaryFinancialProtectionCompanyContributionAnnualMaximum sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 7000000 7000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 26 Nuclear Property Insurance Coverage, Maximum 3 sre_NuclearPropertyInsuranceCoverageMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 2750000000 2750000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 27 Nuclear Property Damage Insurance Coverage, Maximum 3 sre_NuclearPropertyDamageInsuranceCoverageMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 490000000 490000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 28 Nuclear Property Damage Insurance Coverage, Weekly Maximum 3 sre_NuclearPropertyDamageInsuranceCoverageWeeklyMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 3500000 3500000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 29 Nuclear Property Damage Insurance Coverage, Weekly Minimum 3 sre_NuclearPropertyDamageInsuranceCoverageWeeklyMinimum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 2800000 2800000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 30 Nuclear Property Damage Insurance, Premium Assessment 3 sre_NuclearPropertyDamageInsurancePremiumAssessment sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 8500000 8500000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 31 Nuclear Property Insurance Terrorism Coverage, Maximum 3 sre_NuclearPropertyInsuranceTerrorismCoverageMaximum sre false debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false true false false 3240000000 3240000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 33 Debt Instrument [Line Items] 2 us-gaap_DebtInstrumentLineItems 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 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 34 Debt Instrument, Face Amount 3 us-gaap_DebtInstrumentFaceAmount us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true false false 3 false true false false 250000000 250000000 true false false 4 false true false false 500000000 500000000 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 13 false false false false 0 0 true false false 14 false true false false 250000000 250000000 true false false 15 false true false false 500000000 500000000 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 false 35 Debt Instrument, Interest Rate, Stated Percentage 3 us-gaap_DebtInstrumentInterestRateStatedPercentage us-gaap true na instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true false false 3 false true false false 0.0535 0.0535 true false false 4 false true false false 0.045 0.045 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 13 false false false false 0 0 true false false 14 false true false false 0.0535 0.0535 true false false 15 false true false false 0.045 0.045 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false us-types:percentItemType pure Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 false 36 Capital Lease Obligations 3 us-gaap_CapitalLeaseObligations us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 181000000 181000000 true 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 13 false true false false 181000000 181000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 false 38 Long-term Purchase Commitment [Line Items] 2 us-gaap_LongTermPurchaseCommitmentLineItems 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 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 39 Long-term Purchase Commitment, Amount 3 us-gaap_LongTermPurchaseCommitmentAmount us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false true false false 453000000 453000000 true false false 6 false true false false 223000000 223000000 true false false 7 false true false false 133000000 133000000 true false false 8 false true false false 54000000 54000000 true false false 9 false true false false 52000000 52000000 true false false 10 false true false false 315000000 315000000 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false true false false 453000000 453000000 true false false 17 false true false false 223000000 223000000 true false false 18 false true false false 133000000 133000000 true false false 19 false true false false 54000000 54000000 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false true false false 52000000 52000000 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The minimum amount the entity agreed to spend under the long-term purchase commitment. No authoritative reference available. false 40 Significant Commitment, Remaining Minimum Amount Committed 3 us-gaap_SignificantCommitmentRemainingMinimumAmountCommitted us-gaap true debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 true false false 226000000 226000000 true false false 11 false false false false 0 0 true false false 12 false false false false 0 0 true false false 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of the disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from a supplier, or to commit resources to supply goods or services to a customer. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7 false 42 Payments Under Contractual Commitments [Line Items] 2 sre_PaymentsUnderContractualCommitmentsLineItems 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 43 Contractual Commitments, Payments Due, Current 3 sre_ContractualCommitmentsPaymentsDueCurrent sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 280000000 280000000 true 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 13 false true false false 180000000 180000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 39000000 39000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 44 Contractual Commitments, Payments Due In Two Years 3 sre_ContractualCommitmentsPaymentsDueInTwoYears sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 187000000 187000000 true 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 13 false true false false 143000000 143000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 13000000 13000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 45 Contractual Commitments, Payments Due In Three Years 3 sre_ContractualCommitmentsPaymentsDueInThreeYears sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 151000000 151000000 true 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 13 false true false false 120000000 120000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 46 Contractual Commitments, Payments Due In Four Years 3 sre_ContractualCommitmentsPaymentsDueInFourYears sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 135000000 135000000 true 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 13 false true false false 107000000 107000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 47 Contractual Commitments, Payments Due In Five Years 3 sre_ContractualCommitmentsPaymentsDueInFiveYears sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 112000000 112000000 true 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 13 false true false false 93000000 93000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 48 Contractual Commitments, Payments Due Thereafter 3 sre_ContractualCommitmentsPaymentsDueThereafter sre false credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 2200000000 2200000000 true 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 13 false true false false 2000000000 2000000000 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 49 Increase (Decrease) In Liquefied Natural Gas Commitments, Payments Due, Current 3 sre_IncreaseDecreaseInLiquefiedNaturalGasCommitmentsPaymentsDueCurrent sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false -1400000000 -1400000000 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 50 Increase (Decrease) In Liquefied Natural Gas Commitments, Payments Due In Two Years 3 sre_IncreaseDecreaseInLiquefiedNaturalGasCommitmentsPaymentsDueInTwoYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false -2000000 -2000000 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 51 Increase (Decrease) In Liquefied Natural Gas Commitments, Payments Due In Three Years 3 sre_IncreaseDecreaseInLiquefiedNaturalGasCommitmentsPaymentsDueInThreeYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 121000000 121000000 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 52 Increase (Decrease) In Liquefied Natural Gas Commitments, Payments Due In Four Years 3 sre_IncreaseDecreaseInLiquefiedNaturalGasCommitmentsPaymentsDueInFourYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false -81000000 -81000000 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 53 Increase (Decrease) In Liquefied Natural Gas Commitments, Payments Due In Five Years 3 sre_IncreaseDecreaseInLiquefiedNaturalGasCommitmentsPaymentsDueInFiveYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false -254000000 -254000000 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 54 Increase (Decrease) In Liquefied Natural Gas Commitments, Payments Due Thereafter 3 sre_IncreaseDecreaseInLiquefiedNaturalGasCommitmentsPaymentsDueThereafter sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false -4400000000 -4400000000 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 55 Increase (Decrease) In Natural Gas Contracts Commitments 3 sre_IncreaseDecreaseInNaturalGasContractsCommitments sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false -682000000 -682000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 56 Increase (Decrease) In Natural Gas Contracts Commitments, Effect Of Forward Prices 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsEffectOfForwardPrices sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false -1100000000 -1100000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 57 Increase In Natural Gas Contracts Commitments, New Contracts 3 sre_IncreaseInNaturalGasContractsCommitmentsNewContracts sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 415000000 415000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 58 Increase (Decrease) In Natural Gas Contracts Commitments, Payments Due, Current 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsPaymentsDueCurrent sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false -903000000 -903000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 59 Increase (Decrease) In Natural Gas Contracts Commitments, Payments Due In Two Years 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsPaymentsDueInTwoYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 124000000 124000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 60 Increase (Decrease) In Natural Gas Contracts Commitments, Payments Due In Three Years 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsPaymentsDueInThreeYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 52000000 52000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 61 Increase (Decrease) In Natural Gas Contracts Commitments, Payments Due In Four Years 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsPaymentsDueInFourYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 29000000 29000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 62 Increase (Decrease) In Natural Gas Contracts Commitments, Payments Due In Five Years 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsPaymentsDueInFiveYears sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 14000000 14000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 63 Increase (Decrease) In Natural Gas Contracts Commitments, Payments Due Thereafter 3 sre_IncreaseDecreaseInNaturalGasContractsCommitmentsPaymentsDueThereafter sre false credit duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false true false false 2000000 2000000 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary No definition available. No authoritative reference available. false 64 Capital Leases, Future Minimum Payments Due [Abstract] 1 us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract 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 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 65 Capital Leases, Future Minimum Payments Due, Current 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false true false false 6000000 6000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within one year of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 66 Capital Leases, Future Minimum Payments Due in Two Years 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false true false false 24000000 24000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the second year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 67 Capital Leases, Future Minimum Payments Due in Three Years 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false true false false 24000000 24000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the third year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 68 Capital Leases, Future Minimum Payments Due in Four Years 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false true false false 24000000 24000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the fourth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 69 Capital Leases, Future Minimum Payments Due in Five Years 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false true false false 24000000 24000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the fifth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 70 Capital Leases, Future Minimum Payments Due Thereafter 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false true false false 489000000 489000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Contractually required rental payments due on leases meeting the criteria for capitalization, after the fifth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 71 Capital Leases, Future Minimum Payments Due, Total 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDue us-gaap true credit instant No definition available. false false false false false false false false false false false totallabel false 1 false true false false 591000000 591000000 [1] false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The total of contractually required rental payments on leases meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) true 72 Capital Leases, Future Minimum Payments, Executory Costs 2 us-gaap_CapitalLeasesFutureMinimumPaymentsExecutoryCosts us-gaap true debit instant No definition available. false false false false false false false false false false true negated false 1 false true false false -97000000 -97000000 false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Amounts to be paid by lessee to lessor for maintenance, insurance, and tax expenses related to the leased asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 73 Capital Leases, Future Minimum Payments, Interest Included in Payments 2 us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments us-gaap true debit instant No definition available. false false false false false false false false false false true negated false 1 false true false false -313000000 -313000000 [2] false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary Amount necessary to reduce net minimum lease payments to present value calculated at the entity's incremental borrowing rate at the inception of the lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 74 Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments, Total 2 us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments us-gaap true credit instant No definition available. false false false false false false false false false false false totallabel false 1 true true false false 181000000 181000000 [3] false false false 2 false false false false 0 0 true 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 13 false false false false 0 0 true false false 14 false false false false 0 0 true false false 15 false false false false 0 0 true false false 16 false false false false 0 0 true false false 17 false false false false 0 0 true false false 18 false false false false 0 0 true false false 19 false false false false 0 0 true false false 20 false false false false 0 0 true false false 21 false false false false 0 0 true false false 22 false false false false 0 0 true false false 23 false false false false 0 0 true false false 24 false false false false 0 0 true false false 25 false false false false 0 0 true false false 26 false false false false 0 0 true false false 27 false false false false 0 0 true false false xbrli:monetaryItemType monetary The discounted value of future cash flows under leases meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) true 1 This amount will be recorded over the lives of the leases as Cost of Electric Fuel and Purchased Power on Sempra Energy's and SDG&E's Condensed Consolidated Statements of Operations. This expense will receive ratemaking treatment consistent with purchased-power costs. 2 Amount necessary to reduce net minimum lease payments to present value at the inception of the leases. 3 Includes $7 million in Current Portion of Long-term Debt and $174 million in Long-term Debt on Sempra Energy's and SDG&E's Condensed Consolidated Balance Sheets at September 30, 2010. 27 66 false NoRounding UnKnown UnKnown false true