2.0.0.10 true CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) 002000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS true false In Millions, except Share data in Thousands false false 1 usd $ true false false false Sempra Energy Consolidated dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 2 usd $ true false false false Sempra Energy Consolidated dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 1 Sempra Energy Consolidated 0 na true na na na No definition available. false true false false false false false false false false false http://www.sempra.com/role/statementofoperations false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false false 1 usd $ true false false false Sempra Energy Consolidated dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 2 usd $ true false false false Sempra Energy Consolidated dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 No definition available. No authoritative reference available. false 2 REVENUES 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 3 Sempra Utilities 2 us-gaap_RegulatedOperatingRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 true true false false 1912000000 1912 false false false 2 true true false false 1642000000 1642 false false false The total amount of regulated operating revenues recognized during the period. No authoritative reference available. false 4 Sempra Global and parent 2 us-gaap_UnregulatedOperatingRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 622000000 622 false false false 2 false true false false 466000000 466 false false false The amount of unregulated operating revenues recognized during the period. No authoritative reference available. false 5 Total revenues 2 us-gaap_RegulatedAndUnregulatedOperatingRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 2534000000 2534 false false false 2 false true false false 2108000000 2108 false false false The total amount of operating revenues recognized during the period. No authoritative reference available. true 10 Sempra Utilities: 2 sre false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 11 Cost of natural gas 2 sre_RegulatedCostOfNaturalGas sre false debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -758000000 -758 false false false 2 false true false false -540000000 -540 false false false No definition available. No authoritative reference available. false 12 Cost of electric fuel and purchased power 2 us-gaap_CostOfDomesticRegulatedElectric us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -148000000 -148 false false false 2 false true false false -171000000 -171 false false false Cost of electricity sold during the reporting period, operations of which is regulated by a federal or state agency. No authoritative reference available. false 13 Sempra Global and parent: 2 sre false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 14 Cost of natural gas, electric fuel and purchased power 2 sre_CostOfNaturalGasElectricFuelAndPurchasedPower sre false debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -338000000 -338 false false false 2 false true false false -268000000 -268 false false false No definition available. No authoritative reference available. false 15 Other cost of sales 2 us-gaap_GasGatheringTransportationMarketingAndProcessingCosts us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -25000000 -25 false false false 2 false true false false -17000000 -17 false false false Cost incurred related to the gas activities, such as transportation, marketing and processing crude oil, natural gas and refined petroleum products. No authoritative reference available. false 16 Litigation expense 2 sre_LitigationExpense sre false debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -168000000 -168 false false false 2 false true false false 7000000 7 false false false No definition available. No authoritative reference available. false 17 Other operation and maintenance 2 us-gaap_OtherCostAndExpenseOperating us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -576000000 -576 false false false 2 false true false false -523000000 -523 false false false The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 false 18 Depreciation and amortization 2 us-gaap_DepreciationAndAmortization us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -210000000 -210 false false false 2 false true false false -183000000 -183 false false false The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 false 19 Franchise fees and other taxes 2 us-gaap_TaxesOther us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -90000000 -90 false false false 2 false true false false -82000000 -82 false false false Taxes, excluding payroll, income and excise taxes, if not included elsewhere, that could include production, real and personal property, and other selling and distribution-related taxes. No authoritative reference available. false 28 Equity earnings (losses): 2 sre false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 29 RBS Sempra Commodities LLP 2 sre_EquityEarningsLossesFromJointVenture sre false credit duration monetary No definition available. false false false false false false false false false false false terselabel false 1 false true false false 7000000 7 false false false 2 false true false false 153000000 153 false false false No definition available. No authoritative reference available. false 30 Other 2 us-gaap_IncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 8000000 8 false false false 2 false true false false 7000000 7 false false false This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 false 32 Interest income 2 us-gaap_InvestmentIncomeInterest us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 4000000 4 false false false 2 false true false false 6000000 6 false false false Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 9 -Subsection II Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 false 34 Income before income taxes and equity earnings of certain unconsolidated subsidiaries 2 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 139000000 139 false false false 2 false true false false 418000000 418 false false false Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 true 35 Income tax expense 2 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -58000000 -58 false false false 2 false true false false -109000000 -109 false false false The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations. 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No authoritative reference available. false 37 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 100000000 100 false false false 2 false true false false 325000000 325 false false false The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) true 38 Losses (earnings) attributable to noncontrolling interests 2 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false 8000000 8 false false false 2 false true false false -7000000 -7 false false false The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 false 39 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -2000000 -2 false false false 2 false true false false -2000000 -2 false false false No definition available. No authoritative reference available. false 40 Earnings 2 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 106000000 106 false false false 2 false true false false 316000000 316 false false false The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A7 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 10, 15 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28, 29, 30 true 43 Basic earnings per common share: 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 44 Basic earnings per common share 2 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false false false false false 1 false true false false 0.43 0.43 false false false 2 false true false false 1.31 1.31 false false false The amount of net income or loss for the period per each share of common stock outstanding during the reporting period. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 false 50 San Diego Gas and Electric Company and Subsidiary 0 na true na na na No definition available. false true false false false false false false false false false http://www.sempra.com/role/statementofoperations false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false false 3 usd $ true false false false San Diego Gas and Electric Company and Subsidiary dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi sre_SanDiegoGasAndElectricCompanyAndSubsidiaryMember dei_LegalEntityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 4 usd $ true false false false San Diego Gas and Electric Company and Subsidiary dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi sre_SanDiegoGasAndElectricCompanyAndSubsidiaryMember dei_LegalEntityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 No definition available. No authoritative reference available. false 55 Utility operating revenues 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 56 Electric 2 us-gaap_ElectricUtilityRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 563000000 563 false false false 2 false true false false 553000000 553 false false false The aggregate revenue, whether regulated or unregulated, derived from the generation, transmission and distribution of electricity. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 57 Natural gas 2 us-gaap_GasDomesticRegulatedRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 179000000 179 false false false 2 false true false false 179000000 179 false false false Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas. No authoritative reference available. false 58 Total utility operating revenues 2 us-gaap_UtilityRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 742000000 742 false false false 2 false true false false 732000000 732 false false false The aggregate amount of revenues for public and other utilities generated by the sale of electricity, water, gas, and other services. No authoritative reference available. true 69 Utility operating expenses 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 70 Utility cost of natural gas 2 us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 89000000 89 false false false 2 false true false false 87000000 87 false false false The amount of purchased gas and petroleum charged against earnings for the period. No authoritative reference available. false 71 Utility cost of electric fuel and purchased power 2 sre_UtilitiesCostOfElectricFuelAndPurchasedPower sre false debit duration monetary No definition available. false false false false false false false false false false false terselabel false 1 false true false false 148000000 148 false false false 2 false true false false 171000000 171 false false false No definition available. No authoritative reference available. false 72 Utility operation and maintenance 2 us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 232000000 232 false false false 2 false true false false 181000000 181 false false false Discloses the amount of operating expense for the period for routine plant maintenance, repairs and operations. No authoritative reference available. false 73 Utility depreciation and amortization 2 us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 92000000 92 false false false 2 false true false false 77000000 77 false false false Discloses the amount of operating expense for the period related to depreciation and amortization. No authoritative reference available. false 74 Utility franchise fees and other taxes 2 us-gaap_UtilitiesOperatingExpenseTaxes us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 43000000 43 false false false 2 false true false false 41000000 41 false false false Discloses the amount of operating expense for the period related to taxes other income . No authoritative reference available. false 75 Total utility operating expenses 2 us-gaap_UtilitiesOperatingExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 604000000 604 false false false 2 false true false false 557000000 557 false false false Discloses the total amount of all operating expenses for the period. No authoritative reference available. true 76 Utility operating income 2 us-gaap_OperatingIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 138000000 138 false false false 2 false true false false 175000000 175 false false false The net result for the period of deducting operating expenses from operating revenues. No authoritative reference available. true 77 Equity earnings (losses): 2 sre false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 80 Other income, net 2 us-gaap_NonoperatingIncomeExpense us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 0 0 false false false 2 false true false false 17000000 17 false false false The aggregate amount of income (expense) from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 false 82 Interest expense 2 us-gaap_InterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negated false 1 false true false false -31000000 -31 false false false 2 false true false false -25000000 -25 false false false The cost of borrowed funds accounted for as interest that was charged against earnings during the period. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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No authoritative reference available. false 104 Utility operating revenues 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 107 Total utility operating revenues 2 us-gaap_UtilityRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1182000000 1182 false false false 2 false true false false 920000000 920 false false false The aggregate amount of revenues for public and other utilities generated by the sale of electricity, water, gas, and other services. No authoritative reference available. true 118 Utility operating expenses 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 119 Utility cost of natural gas 2 us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 674000000 674 false false false 2 false true false false 455000000 455 false false false The amount of purchased gas and petroleum charged against earnings for the period. 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No authoritative reference available. false 123 Utility franchise fees and other taxes 2 us-gaap_UtilitiesOperatingExpenseTaxes us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 37000000 37 false false false 2 false true false false 32000000 32 false false false Discloses the amount of operating expense for the period related to taxes other income . No authoritative reference available. false 124 Total utility operating expenses 2 us-gaap_UtilitiesOperatingExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1047000000 1047 false false false 2 false true false false 810000000 810 false false false Discloses the total amount of all operating expenses for the period. No authoritative reference available. true 125 Utility operating income 2 us-gaap_OperatingIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 135000000 135 false false false 2 false true false false 110000000 110 false false false The net result for the period of deducting operating expenses from operating revenues. No authoritative reference available. true 126 Equity earnings (losses): 2 sre false na duration string No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 129 Other income, net 2 us-gaap_NonoperatingIncomeExpense us-gaap true credit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 4000000 4 false false false 2 false true false false 1000000 1 false false false The aggregate amount of income (expense) from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 9 true 148 Southern California Gas Company and Subsidiaries 0 na true na na na No definition available. false true false false false false false false false false false http://www.sempra.com/role/statementofoperations false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false false 7 usd $ true false false false Southern California Gas Company and Subsidiaries dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi sre_SouthernCaliforniaGasCompanyMember dei_LegalEntityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 8 usd $ true false false false Southern California Gas Company and Subsidiaries dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi sre_SouthernCaliforniaGasCompanyMember dei_LegalEntityAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 No definition available. No authoritative reference available. false 153 Utility operating revenues 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 156 Total utility operating revenues 2 us-gaap_UtilityRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1182000000 1182 false false false 2 false true false false 920000000 920 false false false The aggregate amount of revenues for public and other utilities generated by the sale of electricity, water, gas, and other services. No authoritative reference available. true 167 Utility operating expenses 2 us-gaap true na duration string No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false No definition available. false 168 Utility cost of natural gas 2 us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 674000000 674 false false false 2 false true false false 455000000 455 false false false The amount of purchased gas and petroleum charged against earnings for the period. No authoritative reference available. false 170 Utility operation and maintenance 2 us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 262000000 262 false false false 2 false true false false 251000000 251 false false false Discloses the amount of operating expense for the period for routine plant maintenance, repairs and operations. No authoritative reference available. false 171 Utility depreciation and amortization 2 us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 75000000 75 false false false 2 false true false false 72000000 72 false false false Discloses the amount of operating expense for the period related to depreciation and amortization. No authoritative reference available. false 172 Utility franchise fees and other taxes 2 us-gaap_UtilitiesOperatingExpenseTaxes us-gaap true debit duration monetary No definition available. false false false false false false false false false false false false 1 false true false false 37000000 37 false false false 2 false true false false 32000000 32 false false false Discloses the amount of operating expense for the period related to taxes other income . No authoritative reference available. false 173 Total utility operating expenses 2 us-gaap_UtilitiesOperatingExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1048000000 1048 false false false 2 false true false false 810000000 810 false false false Discloses the total amount of all operating expenses for the period. No authoritative reference available. true 174 Utility operating income 2 us-gaap_OperatingIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 134000000 134 false false false 2 false true false false 110000000 110 false false false The net result for the period of deducting operating expenses from operating revenues. 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