1.0.0.3 true STATEMENTS OF CONSOLIDATED CASH FLOWS (USD $) In Millions false 1 $ true false false false us-gaap_ParentCompanyMember 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 $ true false false false us-gaap_ParentCompanyMember 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 3 $ true false false false us-gaap_ParentCompanyMember 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 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 2 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 3 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 1122000000 1122 false false 2 true true 1068000000 1068 [1] false false 3 true true 1092000000 1092 [1] false false No definition available. No authoritative reference available. false 4 Adjustments to reconcile net income to net cash provided by operating activities: 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 5 Discontinued operations 2 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 26000000 26 [1] false false No definition available. No authoritative reference available. false 6 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 1 false true 775000000 775 false false 2 false true 687000000 687 [1] false false 3 false true 686000000 686 [1] false false No definition available. No authoritative reference available. false 8 Gains on sale of assets 2 us-gaap_GainLossOnDispositionOfAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -3000000 -3 false false 2 false true -114000000 -114 [1] false false 3 false true -6000000 -6 [1] false false No definition available. No authoritative reference available. false 10 Deferred income taxes and investment tax credits 2 us-gaap_DeferredIncomeTaxesAndTaxCredits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 295000000 295 false false 2 false true 324000000 324 [1] false false 3 false true 149000000 149 [1] false false No definition available. No authoritative reference available. false 11 Noncash rate-reduction bond expense 2 us-gaap_OtherNoncashExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 55000000 55 [1] false false No definition available. No authoritative reference available. false 12 Equity earnings 2 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -567000000 -567 false false 2 false true -483000000 -483 [1] false false 3 false true -90000000 -90 [1] false false No definition available. No authoritative reference available. false 13 Write-off of long-lived assets 2 us-gaap_LossContingencyLossInPeriod us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 132000000 132 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 14 Fixed-price contracts and other derivatives 2 us-gaap_DerivativeGainLossOnDerivativeNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -30000000 -30 false false 2 false true 46000000 46 [1] false false 3 false true 8000000 8 [1] false false No definition available. No authoritative reference available. false 15 Other adjustments to reconcile net income to net cash provided by operating activities 2 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -45000000 -45 false false 2 false true 150000000 150 [1] false false 3 false true 55000000 55 [1] false false No definition available. No authoritative reference available. false 16 Net changes in other working capital components (Excluding cash and cash equivalents and debt due within one year) 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 17 Net change in accounts and notes receivable 2 us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -190000000 -190 false false 2 false true 110000000 110 [1] false false 3 false true -63000000 -63 [1] false false No definition available. No authoritative reference available. false 20 Net change in net trading assets 2 us-gaap_IncreaseDecreaseInCommodityContractAssetsAndLiabilities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -4000000 -4 [1] false false 3 false true 303000000 303 [1] false false No definition available. No authoritative reference available. false 21 Net change in income taxes, net 2 sre_IncreaseDecreaseInIncomeTaxesNet sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -17000000 -17 false false 2 false true 13000000 13 [1] false false 3 false true -73000000 -73 [1] false false No definition available. No authoritative reference available. false 22 Net change in inventories 2 us-gaap_IncreaseDecreaseInInventories us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 124000000 124 false false 2 false true -75000000 -75 [1] false false 3 false true -9000000 -9 [1] false false No definition available. No authoritative reference available. false 23 Net change in regulatory balancing accounts 2 us-gaap_IncreaseDecreaseInBalancingAccountUtility us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 42000000 42 false false 2 false true -138000000 -138 [1] false false 3 false true 120000000 120 [1] false false No definition available. No authoritative reference available. false 24 Net change in regulatory assets and liabilities 2 us-gaap_IncreaseDecreaseInRegulatoryAssetsAndLiabilities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -1000000 -1 false false 2 false true 1000000 1 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 25 Net change in other current assets 2 us-gaap_IncreaseDecreaseInOtherOperatingAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 685000000 685 false false 2 false true 71000000 71 [1] false false 3 false true -109000000 -109 [1] false false No definition available. No authoritative reference available. false 26 Net change in accounts payable 2 us-gaap_IncreaseDecreaseInAccountsPayable us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -109000000 -109 false false 2 false true -526000000 -526 [1] false false 3 false true -82000000 -82 [1] false false No definition available. No authoritative reference available. false 28 Net change in other current liabilities 2 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -790000000 -790 false false 2 false true 65000000 65 [1] false false 3 false true -62000000 -62 [1] false false No definition available. No authoritative reference available. false 29 Net changes in other working capital components 2 us-gaap_IncreaseDecreaseInOperatingCapital us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -256000000 -256 false false 2 false true -483000000 -483 [1] false false 3 false true 25000000 25 [1] false false No definition available. No authoritative reference available. true 30 Distributions from RBS Sempra Commodities LLP 2 sre_DistributionsFromJointVenture sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 407000000 407 false false 2 false true 85000000 85 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 31 Changes in other assets 2 sre_IncreaseDecreaseInNoncurrentAssets sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 139000000 139 false false 2 false true -15000000 -15 [1] false false 3 false true 22000000 22 [1] false false No definition available. No authoritative reference available. false 32 Changes in other liabilities 2 sre_IncreaseDecreaseInNoncurrentLiabilities sre false debit duration monetary No definition available. false false false false false false false false false 1 false true -94000000 -94 false false 2 false true -74000000 -74 [1] false false 3 false true 79000000 79 [1] false false No definition available. No authoritative reference available. false 33 Net cash provided by continuing operations, operating activities 2 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true 1875000000 1875 false false 2 false true 1191000000 1191 [1] false false 3 false true 2101000000 2101 [1] false false No definition available. No authoritative reference available. true 34 Net cash used in discontinued operations, operating activities 2 us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true -3000000 -3 [1] false false No definition available. No authoritative reference available. false 35 Net cash provided by operating activities 2 us-gaap_NetCashProvidedByUsedInOperatingActivities us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true 1875000000 1875 false false 2 false true 1191000000 1191 [1] false false 3 false true 2098000000 2098 [1] false false No definition available. No authoritative reference available. true 36 CASH FLOWS FROM INVESTING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 37 Expenditures for property, plant and equipment 2 us-gaap_PaymentsToAcquireProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -1912000000 -1912 false false 2 false true -2061000000 -2061 [1] false false 3 false true -2011000000 -2011 [1] false false No definition available. No authoritative reference available. false 38 Proceeds from sale of assets from continuing operations, net of cash sold 2 sre_ProceedsFromSaleOfAssetsAndBusinessesNetOfCashSold sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 179000000 179 false false 2 false true 2295000000 2295 [1] false false 3 false true 103000000 103 [1] false false No definition available. No authoritative reference available. false 40 Expenditures for investments and acquisition of businesses, net of cash acquired 2 sre_ExpedituresForInvestmentsAndAcquisitionOfBusinessesNetOfCashAcquired sre false debit duration monetary No definition available. false false false false false false false false false 1 false true -939000000 -939 false false 2 false true -2675000000 -2675 [1] false false 3 false true -121000000 -121 [1] false false No definition available. No authoritative reference available. false 43 Distributions from investments 2 sre_DistributionsFromInvestments sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 23000000 23 false false 2 false true 34000000 34 [1] false false 3 false true 18000000 18 [1] false false No definition available. No authoritative reference available. false 44 Purchases of nuclear decommissioning and other trust assets 2 sre_PurchasesOfNuclearDecommissioningAndOtherTrustAssets sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -267000000 -267 false false 2 false true -485000000 -485 [1] false false 3 false true -646000000 -646 [1] false false No definition available. No authoritative reference available. false 45 Proceeds from sales by nuclear decommissioning and other trusts 2 sre_ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 230000000 230 false false 2 false true 469000000 469 [1] false false 3 false true 613000000 613 [1] false false No definition available. No authoritative reference available. false 46 Decrease (increase) in notes receivable from unconsolidated affiliates, net 2 us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 100000000 100 false false 2 false true 60000000 60 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 47 Purchase of bonds issued by unconsolidated affiliate 2 us-gaap_PaymentsToAcquireOtherInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -50000000 -50 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 49 Other cash flows from investing activities 2 us-gaap_PaymentsForProceedsFromOtherInvestingActivities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -36000000 -36 false false 2 false true -23000000 -23 [1] false false 3 false true -29000000 -29 [1] false false No definition available. No authoritative reference available. false 50 Net cash used in investing activities 2 us-gaap_NetCashProvidedByUsedInInvestingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -2672000000 -2672 false false 2 false true -2386000000 -2386 [1] false false 3 false true -2073000000 -2073 [1] false false No definition available. No authoritative reference available. true 51 CASH FLOWS FROM FINANCING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 52 Common dividends paid 2 us-gaap_PaymentsOfDividendsCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -341000000 -341 false false 2 false true -339000000 -339 [1] false false 3 false true -316000000 -316 [1] false false No definition available. No authoritative reference available. false 54 Preferred dividends paid by subsidiaries 2 sre_PreferredDividendsPaidBySubsidiaries sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -10000000 -10 false false 2 false true -10000000 -10 [1] false false 3 false true -10000000 -10 [1] false false No definition available. No authoritative reference available. false 55 Issuances of common stock 2 us-gaap_ProceedsFromIssuanceOfCommonStock us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 73000000 73 false false 2 false true 18000000 18 [1] false false 3 false true 40000000 40 [1] false false No definition available. No authoritative reference available. false 56 Repurchases of common stock 2 us-gaap_PaymentsForRepurchaseOfCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -22000000 -22 false false 2 false true -1018000000 -1018 [1] false false 3 false true -185000000 -185 [1] false false No definition available. No authoritative reference available. false 58 Issuances of debt (maturities greater than 90 days) 2 sre_ProceedsFromIssuanceOfDebt sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 2151000000 2151 false false 2 false true 1706000000 1706 [1] false false 3 false true 404000000 404 [1] false false No definition available. No authoritative reference available. false 60 Payments on debt (maturities greater than 90 days) 2 sre_PaymentsOnDebt sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -435000000 -435 false false 2 false true -19000000 -19 [1] false false 3 false true -1072000000 -1072 [1] false false No definition available. No authoritative reference available. false 62 Increase (decrease) in short-term debt, net 2 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -659000000 -659 false false 2 false true 564000000 564 [1] false false 3 false true 812000000 812 [1] false false No definition available. No authoritative reference available. false 65 Payments on notes payable to unconsolidated affiliate 2 us-gaap_IncreaseDecreaseInNotesPayableRelatedParties us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -100000000 -100 false false 2 false true -60000000 -60 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 66 Purchase of noncontrolling interest 2 us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -94000000 -94 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 67 Other cash flows from financing activities 2 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 13000000 13 false false 2 false true 16000000 16 [1] false false 3 false true 21000000 21 [1] false false No definition available. No authoritative reference available. false 68 Net cash provided by (used in) financing activities 2 us-gaap_NetCashProvidedByUsedInFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 576000000 576 false false 2 false true 858000000 858 [1] false false 3 false true -306000000 -306 [1] false false No definition available. No authoritative reference available. true 69 Increase (decrease) in cash and cash equivalents 2 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true -221000000 -221 false false 2 false true -337000000 -337 [1] false false 3 false true -281000000 -281 [1] false false No definition available. No authoritative reference available. true 70 Cash and cash equivalents, beginning of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false true false false 1 false true 331000000 331 [1] false false 2 false true 668000000 668 [1] false false 3 false true 920000000 920 false false No definition available. No authoritative reference available. false 71 Cash assumed in connection with initial consolidation of variable interest entity 2 sre_CashAssumedInConnectionWithFIN46RInitialConsolidation sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 29000000 29 [1] false false No definition available. No authoritative reference available. false 72 Cash and cash equivalents, end of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false true false 1 false true 110000000 110 false false 2 false true 331000000 331 [1] false false 3 false true 668000000 668 [1] false false No definition available. No authoritative reference available. false 73 SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 74 Interest payments, net of amounts capitalized 2 us-gaap_InterestPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 326000000 326 false false 2 false true 233000000 233 [1] false false 3 false true 380000000 380 false false No definition available. No authoritative reference available. false 75 Income tax payments, net of refunds 2 us-gaap_IncomeTaxesPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 112000000 112 false false 2 false true 114000000 114 [1] false false 3 false true 443000000 443 false false No definition available. No authoritative reference available. false 76 Acquisition of business: 2 sre false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 77 Assets acquired 2 us-gaap_FairValueOfAssetsAcquired us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 1307000000 1307 [1] false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 78 Cash paid, net of cash acquired 2 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -495000000 -495 [1] false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 79 Noncontrolling interests in acquired business 2 sre_NoncontrollingInterestsInAcquiredBusinesses sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -86000000 -86 [1] false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 80 Liabilities assumed 2 us-gaap_LiabilitiesAssumed us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 726000000 726 [1] false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 81 Increase in capital lease obligations for investments in property, plant and equipment 2 us-gaap_CapitalLeaseObligationsIncurred us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 50000000 50 false false 2 false true 0 0 [1] false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 82 Dividends declared but not paid 2 us-gaap_DividendsPayableAmount us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 99000000 99 false false 2 false true 88000000 88 [1] false false 3 false true 84000000 84 false false No definition available. No authoritative reference available. false 83 Fair value of stock received for services rendered 2 us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationReceived us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 32000000 32 false false No definition available. No authoritative reference available. false 84 Fair value of stock received for sale of investments 2 us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 26000000 26 false false No definition available. No authoritative reference available. false 85 Sempra Energy Consolidated | Retained Earnings 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 86 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 87 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 1129000000 1129 false false 2 false true 1123000000 1123 [1] false false 3 false true 1109000000 1109 [1] false false No definition available. No authoritative reference available. false 169 Sempra Energy Consolidated | Total Shareholders' Equity 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 170 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 171 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 1129000000 1129 false false 2 false true 1123000000 1123 [1] false false 3 false true 1109000000 1109 [1] false false No definition available. No authoritative reference available. false 253 Sempra Energy Consolidated | Noncontrolling Interests 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 254 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 255 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -7000000 -7 false false 2 false true -55000000 -55 [1] false false 3 false true -17000000 -17 [1] false false No definition available. No authoritative reference available. false 337 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 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 338 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 339 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 373000000 373 false false 2 false true 290000000 290 [1] false false 3 false true 271000000 271 [1] false false No definition available. No authoritative reference available. false 340 Adjustments to reconcile net income to net cash provided by operating activities: 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 343 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 1 false true 329000000 329 false false 2 false true 298000000 298 [1] false false 3 false true 301000000 301 [1] false false No definition available. No authoritative reference available. false 345 Utility gains on sale of assets 2 us-gaap_UtilitiesOperatingExpenseOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -1000000 -1 false false 2 false true -3000000 -3 [1] false false 3 false true -2000000 -2 [1] false false No definition available. No authoritative reference available. false 346 Deferred income taxes and investment tax credits 2 us-gaap_DeferredIncomeTaxesAndTaxCredits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 73000000 73 false false 2 false true 113000000 113 [1] false false 3 false true -40000000 -40 [1] false false No definition available. No authoritative reference available. false 347 Noncash rate-reduction bond expense 2 us-gaap_OtherNoncashExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 55000000 55 [1] false false No definition available. No authoritative reference available. false 350 Fixed-price contracts and other derivatives 2 us-gaap_DerivativeGainLossOnDerivativeNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -41000000 -41 false false 2 false true 55000000 55 [1] false false 3 false true 3000000 3 [1] false false No definition available. No authoritative reference available. false 351 Other adjustments to reconcile net income to net cash provided by operating activities 2 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -20000000 -20 false false 2 false true -1000000 -1 [1] false false 3 false true 28000000 28 [1] false false No definition available. No authoritative reference available. false 352 Net changes in other working capital components (Excluding cash and cash equivalents and debt due within one year) 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 353 Net change in accounts and notes receivable 2 us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -53000000 -53 false false 2 false true 1000000 1 [1] false false 3 false true -43000000 -43 [1] false false No definition available. No authoritative reference available. false 354 Net change in due to/from affiliates, net 2 us-gaap_IncreaseDecreaseDueFromAffiliates us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 18000000 18 [1] false false 3 false true 7000000 7 [1] false false No definition available. No authoritative reference available. false 355 Net change in interest receivable 2 us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 1000000 1 [1] false false 3 false true -1000000 -1 [1] false false No definition available. No authoritative reference available. false 357 Net change in income taxes, net 2 sre_IncreaseDecreaseInIncomeTaxesNet sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -44000000 -44 false false 2 false true 44000000 44 [1] false false 3 false true -31000000 -31 [1] false false No definition available. No authoritative reference available. false 358 Net change in inventories 2 us-gaap_IncreaseDecreaseInInventories us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 1000000 1 false false 2 false true 51000000 51 [1] false false 3 false true -16000000 -16 [1] false false No definition available. No authoritative reference available. false 359 Net change in regulatory balancing accounts 2 us-gaap_IncreaseDecreaseInBalancingAccountUtility us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 32000000 32 false false 2 false true -184000000 -184 [1] false false 3 false true 133000000 133 [1] false false No definition available. No authoritative reference available. false 361 Net change in other current assets 2 us-gaap_IncreaseDecreaseInOtherOperatingAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 660000000 660 false false 2 false true -49000000 -49 [1] false false 3 false true 6000000 6 [1] false false No definition available. No authoritative reference available. false 362 Net change in accounts payable 2 us-gaap_IncreaseDecreaseInAccountsPayable us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 1000000 1 false false 2 false true -70000000 -70 [1] false false 3 false true 10000000 10 [1] false false No definition available. No authoritative reference available. false 364 Net change in other current liabilities 2 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -639000000 -639 false false 2 false true 59000000 59 [1] false false 3 false true -21000000 -21 [1] false false No definition available. No authoritative reference available. false 365 Net changes in other working capital components 2 us-gaap_IncreaseDecreaseInOperatingCapital us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -42000000 -42 false false 2 false true -129000000 -129 [1] false false 3 false true 44000000 44 [1] false false No definition available. No authoritative reference available. true 367 Changes in other assets 2 sre_IncreaseDecreaseInNoncurrentAssets sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 23000000 23 false false 2 false true 19000000 19 [1] false false 3 false true 5000000 5 [1] false false No definition available. No authoritative reference available. false 368 Changes in other liabilities 2 sre_IncreaseDecreaseInNoncurrentLiabilities sre false debit duration monetary No definition available. false false false false false false false false false 1 false true -53000000 -53 false false 2 false true -23000000 -23 [1] false false 3 false true -5000000 -5 [1] false false No definition available. No authoritative reference available. false 371 Net cash provided by operating activities 2 us-gaap_NetCashProvidedByUsedInOperatingActivities us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true 641000000 641 false false 2 false true 619000000 619 [1] false false 3 false true 660000000 660 [1] false false No definition available. No authoritative reference available. true 372 CASH FLOWS FROM INVESTING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 373 Expenditures for property, plant and equipment 2 us-gaap_PaymentsToAcquireProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -955000000 -955 false false 2 false true -884000000 -884 [1] false false 3 false true -714000000 -714 [1] false false No definition available. No authoritative reference available. false 375 Proceeds from sale of assets 2 us-gaap_ProceedsFromSaleOfProductiveAssets us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 1000000 1 false false 2 false true 1000000 1 [1] false false 3 false true 2000000 2 [1] false false No definition available. No authoritative reference available. false 377 Expenditures for short-term investments 2 us-gaap_PaymentsToAcquireShortTermInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -152000000 -152 false false 2 false true -488000000 -488 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 378 Proceeds from sale of short-term investments 2 us-gaap_ProceedsFromSaleOfShortTermInvestments us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 176000000 176 false false 2 false true 464000000 464 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 380 Purchases of nuclear decommissioning and other trust assets 2 sre_PurchasesOfNuclearDecommissioningAndOtherTrustAssets sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -237000000 -237 false false 2 false true -468000000 -468 [1] false false 3 false true -587000000 -587 [1] false false No definition available. No authoritative reference available. false 381 Proceeds from sales by nuclear decommissioning and other trusts 2 sre_ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 230000000 230 false false 2 false true 468000000 468 [1] false false 3 false true 592000000 592 [1] false false No definition available. No authoritative reference available. false 382 Decrease (increase) in notes receivable from unconsolidated affiliates, net 2 us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 20000000 20 false false 2 false true -33000000 -33 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 384 Net increase in restricted cash 2 us-gaap_IncreaseDecreaseInRestrictedCash us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -8000000 -8 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 386 Net cash used in investing activities 2 us-gaap_NetCashProvidedByUsedInInvestingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -925000000 -925 false false 2 false true -940000000 -940 [1] false false 3 false true -707000000 -707 [1] false false No definition available. No authoritative reference available. true 387 CASH FLOWS FROM FINANCING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 388 Common dividends paid 2 us-gaap_PaymentsOfDividendsCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -150000000 -150 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 389 Preferred dividends paid 2 us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -5000000 -5 false false 2 false true -5000000 -5 [1] false false 3 false true -5000000 -5 [1] false false No definition available. No authoritative reference available. false 393 Redemptions of preferred stock 2 us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -14000000 -14 [1] false false 3 false true -3000000 -3 [1] false false No definition available. No authoritative reference available. false 395 Issuances of long-term debt 2 us-gaap_ProceedsFromIssuanceOfLongTermDebt us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 439000000 439 false false 2 false true 193000000 193 [1] false false 3 false true 313000000 313 [1] false false No definition available. No authoritative reference available. false 397 Payments on long-term debt 2 us-gaap_RepaymentsOfLongTermDebt us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -2000000 -2 false false 2 false true 0 0 [1] false false 3 false true -66000000 -66 [1] false false No definition available. No authoritative reference available. false 398 Increase (decrease) in short-term debt, net 2 us-gaap_ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 4000000 4 false false 2 false true 0 0 [1] false false 3 false true -72000000 -72 [1] false false No definition available. No authoritative reference available. false 399 Capital contribution received by Otay Mesa VIE 2 us-gaap_ProceedsFromMinorityShareholders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 4000000 4 false false 2 false true 9000000 9 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 400 Capital distribution made by Otay Mesa VIE 2 us-gaap_PaymentsToMinorityShareholders us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -9000000 -9 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 403 Other cash flows from financing activities 2 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -3000000 -3 false false 2 false true -1000000 -1 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 404 Net cash provided by (used in) financing activities 2 us-gaap_NetCashProvidedByUsedInFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 278000000 278 false false 2 false true 182000000 182 [1] false false 3 false true 167000000 167 [1] false false No definition available. No authoritative reference available. true 405 Increase (decrease) in cash and cash equivalents 2 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true -6000000 -6 false false 2 false true -139000000 -139 [1] false false 3 false true 120000000 120 [1] false false No definition available. No authoritative reference available. true 406 Cash and cash equivalents, beginning of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false true false false 1 false true 19000000 19 [1] false false 2 false true 158000000 158 [1] false false 3 false true 9000000 9 false false No definition available. No authoritative reference available. false 407 Cash assumed in connection with initial consolidation of variable interest entity 2 sre_CashAssumedInConnectionWithFIN46RInitialConsolidation sre false debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 29000000 29 [1] false false No definition available. No authoritative reference available. false 408 Cash and cash equivalents, end of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false true false 1 false true 13000000 13 false false 2 false true 19000000 19 [1] false false 3 false true 158000000 158 [1] false false No definition available. No authoritative reference available. false 409 SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 410 Interest payments, net of amounts capitalized 2 us-gaap_InterestPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 99000000 99 false false 2 false true 92000000 92 false false 3 false true 85000000 85 false false No definition available. No authoritative reference available. false 411 Income tax payments, net of refunds 2 us-gaap_IncomeTaxesPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 148000000 148 false false 2 false true 3000000 3 false false 3 false true 206000000 206 false false No definition available. No authoritative reference available. false 412 Acquisition of business: 2 sre false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 417 Increase in capital lease obligations for investments in property, plant and equipment 2 us-gaap_CapitalLeaseObligationsIncurred us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 21000000 21 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 418 Dividends declared but not paid 2 us-gaap_DividendsPayableAmount us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1000000 1 false false 2 false true 1000000 1 false false 3 false true 1000000 1 false false No definition available. No authoritative reference available. false 421 San Diego Gas and Electric Company and Subsidiary | Retained Earnings 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 422 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 423 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 349000000 349 false false 2 false true 344000000 344 [1] false false 3 false true 288000000 288 [1] false false No definition available. No authoritative reference available. false 505 San Diego Gas and Electric Company and Subsidiary | Total Shareholders' Equity 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 506 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 507 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 349000000 349 false false 2 false true 344000000 344 [1] false false 3 false true 288000000 288 [1] false false No definition available. No authoritative reference available. false 589 San Diego Gas and Electric Company and Subsidiary | Noncontrolling Interests 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 590 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 591 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 24000000 24 false false 2 false true -54000000 -54 [1] false false 3 false true -17000000 -17 [1] false false No definition available. No authoritative reference available. false 673 Pacific Enterprises and Subsidiaries 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 674 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 675 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 270000000 270 false false 2 false true 253000000 253 [1] false false 3 false true 243000000 243 [1] false false No definition available. No authoritative reference available. false 676 Adjustments to reconcile net income to net cash provided by operating activities: 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 679 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 1 false true 293000000 293 false false 2 false true 280000000 280 [1] false false 3 false true 281000000 281 [1] false false No definition available. No authoritative reference available. false 681 Utility gains on sale of assets 2 us-gaap_UtilitiesOperatingExpenseOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true -2000000 -2 [1] false false No definition available. No authoritative reference available. false 682 Deferred income taxes and investment tax credits 2 us-gaap_DeferredIncomeTaxesAndTaxCredits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 72000000 72 false false 2 false true 92000000 92 [1] false false 3 false true 10000000 10 [1] false false No definition available. No authoritative reference available. false 687 Other adjustments to reconcile net income to net cash provided by operating activities 2 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 4000000 4 false false 2 false true -2000000 -2 [1] false false 3 false true 2000000 2 [1] false false No definition available. No authoritative reference available. false 688 Net changes in other working capital components (Excluding cash and cash equivalents and debt due within one year) 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 689 Net change in accounts and notes receivable 2 us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -30000000 -30 false false 2 false true 102000000 102 [1] false false 3 false true -31000000 -31 [1] false false No definition available. No authoritative reference available. false 690 Net change in due to/from affiliates, net 2 us-gaap_IncreaseDecreaseDueFromAffiliates us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -77000000 -77 false false 2 false true -4000000 -4 [1] false false 3 false true 4000000 4 [1] false false No definition available. No authoritative reference available. false 691 Net change in interest receivable 2 us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 10000000 10 [1] false false No definition available. No authoritative reference available. false 693 Net change in income taxes, net 2 sre_IncreaseDecreaseInIncomeTaxesNet sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 65000000 65 false false 2 false true -71000000 -71 [1] false false 3 false true 42000000 42 [1] false false No definition available. No authoritative reference available. false 694 Net change in inventories 2 us-gaap_IncreaseDecreaseInInventories us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 74000000 74 false false 2 false true -69000000 -69 [1] false false 3 false true 8000000 8 [1] false false No definition available. No authoritative reference available. false 695 Net change in regulatory balancing accounts 2 us-gaap_IncreaseDecreaseInBalancingAccountUtility us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 10000000 10 false false 2 false true 46000000 46 [1] false false 3 false true -13000000 -13 [1] false false No definition available. No authoritative reference available. false 697 Net change in other current assets 2 us-gaap_IncreaseDecreaseInOtherOperatingAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 10000000 10 false false 2 false true -23000000 -23 [1] false false 3 false true -2000000 -2 [1] false false No definition available. No authoritative reference available. false 698 Net change in accounts payable 2 us-gaap_IncreaseDecreaseInAccountsPayable us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -99000000 -99 false false 2 false true 7000000 7 [1] false false 3 false true -79000000 -79 [1] false false No definition available. No authoritative reference available. false 699 Net change in customer deposits 2 us-gaap_IncreaseDecreaseInCustomerDeposits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -28000000 -28 false false 2 false true 24000000 24 [1] false false 3 false true 3000000 3 [1] false false No definition available. No authoritative reference available. false 700 Net change in other current liabilities 2 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -66000000 -66 false false 2 false true 24000000 24 [1] false false 3 false true -17000000 -17 [1] false false No definition available. No authoritative reference available. false 701 Net changes in other working capital components 2 us-gaap_IncreaseDecreaseInOperatingCapital us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -141000000 -141 false false 2 false true 36000000 36 [1] false false 3 false true -75000000 -75 [1] false false No definition available. No authoritative reference available. true 703 Changes in other assets 2 sre_IncreaseDecreaseInNoncurrentAssets sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 11000000 11 false false 2 false true -30000000 -30 [1] false false 3 false true 4000000 4 [1] false false No definition available. No authoritative reference available. false 704 Changes in other liabilities 2 sre_IncreaseDecreaseInNoncurrentLiabilities sre false debit duration monetary No definition available. false false false false false false false false false 1 false true -76000000 -76 false false 2 false true -56000000 -56 [1] false false 3 false true 29000000 29 [1] false false No definition available. No authoritative reference available. false 707 Net cash provided by operating activities 2 us-gaap_NetCashProvidedByUsedInOperatingActivities us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true 433000000 433 false false 2 false true 573000000 573 [1] false false 3 false true 492000000 492 [1] false false No definition available. No authoritative reference available. true 708 CASH FLOWS FROM INVESTING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 709 Expenditures for property, plant and equipment 2 us-gaap_PaymentsToAcquireProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -480000000 -480 false false 2 false true -454000000 -454 [1] false false 3 false true -457000000 -457 [1] false false No definition available. No authoritative reference available. false 711 Proceeds from sale of assets 2 us-gaap_ProceedsFromSaleOfProductiveAssets us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 [1] false false 3 false true 2000000 2 [1] false false No definition available. No authoritative reference available. false 718 Decrease (increase) in notes receivable from unconsolidated affiliates, net 2 us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -4000000 -4 false false 2 false true 136000000 136 [1] false false 3 false true -34000000 -34 [1] false false No definition available. No authoritative reference available. false 721 Other cash flows from investing activities 2 us-gaap_PaymentsForProceedsFromOtherInvestingActivities us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -1000000 -1 false false 2 false true -1000000 -1 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 722 Net cash used in investing activities 2 us-gaap_NetCashProvidedByUsedInInvestingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -485000000 -485 false false 2 false true -319000000 -319 [1] false false 3 false true -489000000 -489 [1] false false No definition available. No authoritative reference available. true 723 CASH FLOWS FROM FINANCING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 724 Common dividends paid 2 us-gaap_PaymentsOfDividendsCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -350000000 -350 [1] false false 3 false true -150000000 -150 [1] false false No definition available. No authoritative reference available. false 725 Preferred dividends paid 2 us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -4000000 -4 false false 2 false true -4000000 -4 [1] false false 3 false true -4000000 -4 [1] false false No definition available. No authoritative reference available. false 726 Preferred dividends paid by subsidiaries 2 sre_PreferredDividendsPaidBySubsidiaries sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -1000000 -1 false false 2 false true -1000000 -1 [1] false false 3 false true -1000000 -1 [1] false false No definition available. No authoritative reference available. false 731 Issuances of long-term debt 2 us-gaap_ProceedsFromIssuanceOfLongTermDebt us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 250000000 250 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 733 Payments on long-term debt 2 us-gaap_RepaymentsOfLongTermDebt us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -100000000 -100 false false 2 false true 0 0 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 739 Other cash flows from financing activities 2 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -2000000 -2 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 740 Net cash provided by (used in) financing activities 2 us-gaap_NetCashProvidedByUsedInFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -105000000 -105 false false 2 false true -107000000 -107 [1] false false 3 false true -155000000 -155 [1] false false No definition available. No authoritative reference available. true 741 Increase (decrease) in cash and cash equivalents 2 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true -157000000 -157 false false 2 false true 147000000 147 [1] false false 3 false true -152000000 -152 [1] false false No definition available. No authoritative reference available. true 742 Cash and cash equivalents, beginning of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false true false false 1 false true 206000000 206 [1] false false 2 false true 59000000 59 [1] false false 3 false true 211000000 211 false false No definition available. No authoritative reference available. false 744 Cash and cash equivalents, end of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false true false 1 false true 49000000 49 false false 2 false true 206000000 206 [1] false false 3 false true 59000000 59 [1] false false No definition available. No authoritative reference available. false 745 SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 746 Interest payments, net of amounts capitalized 2 us-gaap_InterestPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 60000000 60 false false 2 false true 61000000 61 false false 3 false true 72000000 72 false false No definition available. No authoritative reference available. false 747 Income tax payments, net of refunds 2 us-gaap_IncomeTaxesPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 76000000 76 false false 2 false true 120000000 120 false false 3 false true 114000000 114 false false No definition available. No authoritative reference available. false 748 Acquisition of business: 2 sre false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 753 Increase in capital lease obligations for investments in property, plant and equipment 2 us-gaap_CapitalLeaseObligationsIncurred us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 29000000 29 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 754 Dividends declared but not paid 2 us-gaap_DividendsPayableAmount us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1000000 1 false false 2 false true 1000000 1 false false 3 false true 151000000 151 false false No definition available. No authoritative reference available. false 757 Pacific Enterprises and Subsidiaries | Retained Earnings 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 758 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 759 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 270000000 270 false false 2 false true 253000000 253 [1] false false 3 false true 243000000 243 [1] false false No definition available. No authoritative reference available. false 841 Pacific Enterprises and Subsidiaries | Total Shareholders' Equity 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 842 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 843 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 270000000 270 false false 2 false true 253000000 253 [1] false false 3 false true 243000000 243 [1] false false No definition available. No authoritative reference available. false 925 Southern California Gas Company and Subsidiaries 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 926 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 927 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 274000000 274 false false 2 false true 245000000 245 false false 3 false true 231000000 231 false false No definition available. No authoritative reference available. false 928 Adjustments to reconcile net income to net cash provided by operating activities: 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 931 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 1 false true 293000000 293 false false 2 false true 280000000 280 false false 3 false true 281000000 281 false false No definition available. No authoritative reference available. false 933 Utility gains on sale of assets 2 us-gaap_UtilitiesOperatingExpenseOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true -2000000 -2 false false No definition available. No authoritative reference available. false 934 Deferred income taxes and investment tax credits 2 us-gaap_DeferredIncomeTaxesAndTaxCredits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 70000000 70 false false 2 false true 87000000 87 false false 3 false true 8000000 8 false false No definition available. No authoritative reference available. false 939 Other adjustments to reconcile net income to net cash provided by operating activities 2 us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 8000000 8 false false 2 false true 2000000 2 false false 3 false true 5000000 5 false false No definition available. No authoritative reference available. false 940 Net changes in other working capital components (Excluding cash and cash equivalents and debt due within one year) 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 941 Net change in accounts and notes receivable 2 us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -30000000 -30 false false 2 false true 102000000 102 false false 3 false true -31000000 -31 false false No definition available. No authoritative reference available. false 942 Net change in due to/from affiliates, net 2 us-gaap_IncreaseDecreaseDueFromAffiliates us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -10000000 -10 false false 2 false true -6000000 -6 false false 3 false true 1000000 1 false false No definition available. No authoritative reference available. false 943 Net change in interest receivable 2 us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 10000000 10 false false No definition available. No authoritative reference available. false 945 Net change in income taxes, net 2 sre_IncreaseDecreaseInIncomeTaxesNet sre false credit duration monetary No definition available. false false false false false false false false false 1 false true -2000000 -2 false false 2 false true -67000000 -67 false false 3 false true 38000000 38 false false No definition available. No authoritative reference available. false 946 Net change in inventories 2 us-gaap_IncreaseDecreaseInInventories us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 74000000 74 false false 2 false true -69000000 -69 false false 3 false true 8000000 8 false false No definition available. No authoritative reference available. false 947 Net change in regulatory balancing accounts 2 us-gaap_IncreaseDecreaseInBalancingAccountUtility us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 10000000 10 false false 2 false true 46000000 46 false false 3 false true -13000000 -13 false false No definition available. No authoritative reference available. false 949 Net change in other current assets 2 us-gaap_IncreaseDecreaseInOtherOperatingAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 10000000 10 false false 2 false true -23000000 -23 false false 3 false true -2000000 -2 false false No definition available. No authoritative reference available. false 950 Net change in accounts payable 2 us-gaap_IncreaseDecreaseInAccountsPayable us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -99000000 -99 false false 2 false true 7000000 7 false false 3 false true -79000000 -79 false false No definition available. No authoritative reference available. false 951 Net change in customer deposits 2 us-gaap_IncreaseDecreaseInCustomerDeposits us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -28000000 -28 false false 2 false true 24000000 24 false false 3 false true 3000000 3 false false No definition available. No authoritative reference available. false 952 Net change in other current liabilities 2 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -69000000 -69 false false 2 false true 24000000 24 false false 3 false true -17000000 -17 false false No definition available. No authoritative reference available. false 953 Net changes in other working capital components 2 us-gaap_IncreaseDecreaseInOperatingCapital us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -144000000 -144 false false 2 false true 38000000 38 false false 3 false true -82000000 -82 false false No definition available. No authoritative reference available. true 955 Changes in other assets 2 sre_IncreaseDecreaseInNoncurrentAssets sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 7000000 7 false false 2 false true -33000000 -33 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 956 Changes in other liabilities 2 sre_IncreaseDecreaseInNoncurrentLiabilities sre false debit duration monetary No definition available. false false false false false false false false false 1 false true -68000000 -68 false false 2 false true -51000000 -51 false false 3 false true 37000000 37 false false No definition available. No authoritative reference available. false 959 Net cash provided by operating activities 2 us-gaap_NetCashProvidedByUsedInOperatingActivities us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true 440000000 440 false false 2 false true 568000000 568 false false 3 false true 478000000 478 false false No definition available. No authoritative reference available. true 960 CASH FLOWS FROM INVESTING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 961 Expenditures for property, plant and equipment 2 us-gaap_PaymentsToAcquireProductiveAssets us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -480000000 -480 false false 2 false true -454000000 -454 false false 3 false true -457000000 -457 false false No definition available. No authoritative reference available. false 963 Proceeds from sale of assets 2 us-gaap_ProceedsFromSaleOfProductiveAssets us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 2000000 2 false false No definition available. No authoritative reference available. false 970 Decrease (increase) in notes receivable from unconsolidated affiliates, net 2 us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -16000000 -16 false false 2 false true 136000000 136 false false 3 false true -24000000 -24 false false No definition available. No authoritative reference available. false 974 Net cash used in investing activities 2 us-gaap_NetCashProvidedByUsedInInvestingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -496000000 -496 false false 2 false true -318000000 -318 false false 3 false true -479000000 -479 false false No definition available. No authoritative reference available. true 975 CASH FLOWS FROM FINANCING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 976 Common dividends paid 2 us-gaap_PaymentsOfDividendsCommonStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -350000000 -350 false false 3 false true -150000000 -150 false false No definition available. No authoritative reference available. false 977 Preferred dividends paid 2 us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -1000000 -1 false false 2 false true -1000000 -1 false false 3 false true -1000000 -1 false false No definition available. No authoritative reference available. false 983 Issuances of long-term debt 2 us-gaap_ProceedsFromIssuanceOfLongTermDebt us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 250000000 250 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 985 Payments on long-term debt 2 us-gaap_RepaymentsOfLongTermDebt us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true -100000000 -100 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 991 Other cash flows from financing activities 2 us-gaap_ProceedsFromPaymentsForOtherFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true -2000000 -2 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 992 Net cash provided by (used in) financing activities 2 us-gaap_NetCashProvidedByUsedInFinancingActivities us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -101000000 -101 false false 2 false true -103000000 -103 false false 3 false true -151000000 -151 false false No definition available. No authoritative reference available. true 993 Increase (decrease) in cash and cash equivalents 2 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false true -157000000 -157 false false 2 false true 147000000 147 false false 3 false true -152000000 -152 false false No definition available. No authoritative reference available. true 994 Cash and cash equivalents, beginning of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false true false false 1 false true 206000000 206 false false 2 false true 59000000 59 false false 3 false true 211000000 211 false false No definition available. No authoritative reference available. false 996 Cash and cash equivalents, end of period 2 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false true false 1 false true 49000000 49 false false 2 false true 206000000 206 false false 3 false true 59000000 59 false false No definition available. No authoritative reference available. false 997 SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 998 Interest payments, net of amounts capitalized 2 us-gaap_InterestPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 59000000 59 false false 2 false true 58000000 58 false false 3 false true 66000000 66 false false No definition available. No authoritative reference available. false 999 Income tax payments, net of refunds 2 us-gaap_IncomeTaxesPaidNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 76000000 76 false false 2 false true 120000000 120 false false 3 false true 114000000 114 false false No definition available. No authoritative reference available. false 1000 Acquisition of business: 2 sre false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 1005 Increase in capital lease obligations for investments in property, plant and equipment 2 us-gaap_CapitalLeaseObligationsIncurred us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 29000000 29 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 1006 Dividends declared but not paid 2 us-gaap_DividendsPayableAmount us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 150000000 150 false false No definition available. No authoritative reference available. false 1009 Southern California Gas Company and Subsidiaries | Retained Earnings 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 1010 CASH FLOWS FROM OPERATING ACTIVITIES 2 us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 1011 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 274000000 274 false false 2 true true 245000000 245 false false 3 true true 231000000 231 false false No definition available. No authoritative reference available. false 1 As adjusted for the retrospective adoption of ASC 810 (SFAS 160). false 3 241 false Millions UnKnown UnKnown false true