1.0.0.3 true CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data in Thousands false 1 $ 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 $ 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 3 $ 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 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 REVENUES 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 Sempra Utilities 2 us-gaap_RegulatedOperatingRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 6220000000 6220 false false 2 true true 7972000000 7972 [1] false false 3 true true 7053000000 7053 [1] false false No definition available. 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 1 false true 1886000000 1886 false false 2 false true 2786000000 2786 [1] false false 3 false true 4385000000 4385 [1] false false No definition available. 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 1 false true 8106000000 8106 false false 2 false true 10758000000 10758 [1] false false 3 false true 11438000000 11438 [1] false false No definition available. 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 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 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 1 false true -1530000000 -1530 false false 2 false true -3244000000 -3244 [1] false false 3 false true -2763000000 -2763 [1] 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 1 false true -672000000 -672 false false 2 false true -900000000 -900 [1] false false 3 false true -699000000 -699 [1] false false No definition available. 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 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 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 1 false true -976000000 -976 false false 2 false true -1671000000 -1671 [1] false false 3 false true -1302000000 -1302 [1] 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 1 false true -80000000 -80 false false 2 false true -182000000 -182 [1] false false 3 false true -988000000 -988 [1] false false No definition available. No authoritative reference available. false 16 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 1 false true -2474000000 -2474 false false 2 false true -2536000000 -2536 [1] false false 3 false true -3032000000 -3032 [1] false false No definition available. No authoritative reference available. false 17 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 18 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 1 false true -296000000 -296 false false 2 false true -312000000 -312 [1] false false 3 false true -295000000 -295 [1] false false No definition available. No authoritative reference available. false 19 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 20 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 30 Equity earnings (losses): 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 31 RBS Sempra Commodities LLP 2 sre_EquityEarningsLossesFromJointVenture sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 463000000 463 false false 2 false true 383000000 383 [1] false false 3 false true 0 0 [1] false false No definition available. No authoritative reference available. false 32 Other 2 us-gaap_IncomeLossFromEquityMethodInvestments 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 37000000 37 [1] false false 3 false true -9000000 -9 [1] false false No definition available. No authoritative reference available. false 33 Other income (expense), net 2 us-gaap_NonoperatingIncomeExpense us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 149000000 149 false false 2 false true -109000000 -109 [1] false false 3 false true 73000000 73 [1] false false No definition available. No authoritative reference available. false 34 Interest income 2 us-gaap_InvestmentIncomeInterest 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 45000000 45 [1] false false 3 false true 72000000 72 [1] false false No definition available. No authoritative reference available. false 35 Interest expense 2 us-gaap_InterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -367000000 -367 false false 2 false true -253000000 -253 [1] false false 3 false true -272000000 -272 [1] false false No definition available. No authoritative reference available. false 36 Income from continuing operations 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 1 false true 1476000000 1476 false false 2 false true 1443000000 1443 [1] false false 3 false true 1543000000 1543 [1] false false No definition available. No authoritative reference available. true 37 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 1 false true -422000000 -422 false false 2 false true -438000000 -438 [1] false false 3 false true -524000000 -524 [1] false false No definition available. No authoritative reference available. false 38 Equity earnings, net of income tax 2 sre_IncomeLossFromEquityMethodInvestmentsNetOfTax sre false credit duration monetary No definition available. false false false false false false false false false 1 false true 68000000 68 false false 2 false true 63000000 63 [1] false false 3 false true 99000000 99 [1] false false No definition available. No authoritative reference available. false 39 Income from continuing operations 2 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 1122000000 1122 false false 2 false true 1068000000 1068 [1] false false 3 false true 1118000000 1118 [1] false false No definition available. No authoritative reference available. false 40 Discontinued operations, net of income tax 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 41 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 1122000000 1122 false false 2 false true 1068000000 1068 [1] false false 3 false true 1092000000 1092 [1] false false No definition available. No authoritative reference available. true 42 (Earnings) losses 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 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 43 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false debit 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 44 Earnings 2 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 1119000000 1119 false false 2 false true 1113000000 1113 [1] false false 3 false true 1099000000 1099 [1] false false No definition available. No authoritative reference available. true 47 Basic earnings per common share: 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 48 Basic earnings common per share, continuing operations attributable to common shares 2 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare us-gaap true na duration decimal No definition available. false false false false false false false false false 1 false true 4.60 4.60 false false 2 false true 4.50 4.50 [1] false false 3 false true 4.34 4.34 [1] false false No definition available. No authoritative reference available. false 49 Basic earnings per common share, discontinued operations, net of income tax 2 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare us-gaap true na duration decimal 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 -0.10 -0.10 [1] false false No definition available. No authoritative reference available. false 50 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 1 false true 4.60 4.60 false false 2 false true 4.50 4.50 [1] false false 3 false true 4.24 4.24 [1] false false No definition available. No authoritative reference available. false 51 Basic earnings per common share, weighted-average number of shares outstanding (thousands) 2 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 243339000 243339 false false 2 false true 247387000 247387 [1] false false 3 false true 259269000 259269 [1] false false No definition available. No authoritative reference available. false 52 Diluted earnings per common share: 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 53 Diluted earnings per common share, continuing operations attributable to common shares 2 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare us-gaap true na duration decimal No definition available. false false false false false false false false false 1 false true 4.52 4.52 false false 2 false true 4.43 4.43 [1] false false 3 false true 4.26 4.26 [1] false false No definition available. No authoritative reference available. false 54 Diluted earnings per common share, discontinued operations, net of income tax 2 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare us-gaap true na duration decimal 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 -0.10 -0.10 [1] false false No definition available. No authoritative reference available. false 55 Diluted earnings per common share 2 us-gaap_EarningsPerShareDiluted us-gaap true na duration decimal No definition available. false false false false false false false false false 1 false true 4.52 4.52 false false 2 false true 4.43 4.43 [1] false false 3 false true 4.16 4.16 [1] false false No definition available. No authoritative reference available. false 56 Diluted earnings per common share, weighted-average number of shares outstanding (thousands) 2 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 247384000 247384 false false 2 false true 251159000 251159 [1] false false 3 false true 264004000 264004 [1] false false No definition available. No authoritative reference available. false 57 Dividends declared per share of common stock 2 us-gaap_CommonStockDividendsPerShareDeclared us-gaap true na duration decimal No definition available. false false false false false false false false false 1 false true 1.56 1.56 false false 2 false true 1.37 1.37 [1] false false 3 false true 1.24 1.24 [1] false false No definition available. No authoritative reference available. false 58 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 87 Equity earnings (losses): 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 98 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. true 100 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false debit 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 115 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 144 Equity earnings (losses): 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 155 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. true 157 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false debit 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 172 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 201 Equity earnings (losses): 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 212 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. true 229 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 234 Utility operating revenues 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 235 Electric 2 us-gaap_ElectricUtilityRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 2426000000 2426 false false 2 false true 2562000000 2562 [1] false false 3 false true 2194000000 2194 [1] false false No definition available. No authoritative reference available. false 236 Natural gas 2 us-gaap_GasDomesticRegulatedRevenue us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 490000000 490 false false 2 false true 689000000 689 [1] false false 3 false true 658000000 658 [1] false false No definition available. No authoritative reference available. false 237 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 1 false true 2916000000 2916 false false 2 false true 3251000000 3251 [1] false false 3 false true 2852000000 2852 [1] false false No definition available. No authoritative reference available. true 249 Utility operating expenses 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 250 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 1 false true 206000000 206 false false 2 false true 415000000 415 [1] false false 3 false true 392000000 392 [1] false false No definition available. No authoritative reference available. false 251 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 1 false true 672000000 672 false false 2 false true 900000000 900 [1] false false 3 false true 699000000 699 [1] false false No definition available. No authoritative reference available. false 252 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 1 false true 961000000 961 false false 2 false true 913000000 913 [1] false false 3 false true 807000000 807 [1] false false No definition available. No authoritative reference available. false 253 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 254 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 1 false true 160000000 160 false false 2 false true 158000000 158 [1] false false 3 false true 155000000 155 [1] false false No definition available. No authoritative reference available. false 255 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 256 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 1 false true 2327000000 2327 false false 2 false true 2681000000 2681 [1] false false 3 false true 2352000000 2352 [1] false false No definition available. No authoritative reference available. true 257 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 1 false true 589000000 589 false false 2 false true 570000000 570 [1] false false 3 false true 500000000 500 [1] false false No definition available. No authoritative reference available. true 258 Equity earnings (losses): 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 261 Other income (expense), net 2 us-gaap_NonoperatingIncomeExpense us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 64000000 64 false false 2 false true -29000000 -29 [1] false false 3 false true -6000000 -6 [1] false false No definition available. No authoritative reference available. false 262 Interest income 2 us-gaap_InvestmentIncomeInterest 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 6000000 6 [1] false false 3 false true 8000000 8 [1] false false No definition available. No authoritative reference available. false 263 Interest expense 2 us-gaap_InterestExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -104000000 -104 false false 2 false true -96000000 -96 [1] false false 3 false true -96000000 -96 [1] false false No definition available. No authoritative reference available. false 264 Income from continuing operations 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 1 false true 550000000 550 false false 2 false true 451000000 451 [1] false false 3 false true 406000000 406 [1] false false No definition available. No authoritative reference available. true 265 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 1 false true -177000000 -177 false false 2 false true -161000000 -161 [1] false false 3 false true -135000000 -135 [1] false false No definition available. No authoritative reference available. false 269 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. true 270 (Earnings) losses 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 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 272 Earnings 2 us-gaap_NetIncomeLoss 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. true 273 Preferred dividend requirements 2 us-gaap_PreferredStockDividends us-gaap true debit 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 274 Earnings attributable to common shares 2 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 344000000 344 false false 2 false true 339000000 339 [1] false false 3 false true 283000000 283 [1] false false No definition available. No authoritative reference available. true 286 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 315 Equity earnings (losses): 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 326 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. true 343 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 372 Equity earnings (losses): 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 383 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. true 400 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 429 Equity earnings (losses): 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 440 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. true 457 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 462 Utility operating revenues 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 465 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 1 false true 3355000000 3355 false false 2 false true 4768000000 4768 [1] false false 3 false true 4282000000 4282 [1] false false No definition available. No authoritative reference available. true 477 Utility operating expenses 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 478 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 1 false true 1343000000 1343 false false 2 false true 2841000000 2841 [1] false false 3 false true 2420000000 2420 [1] false false No definition available. No authoritative reference available. false 480 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 1 false true 1138000000 1138 false false 2 false true 1077000000 1077 [1] false false 3 false true 1022000000 1022 [1] false false No definition available. No authoritative reference available. false 481 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 482 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 1 false true 105000000 105 false false 2 false true 135000000 135 [1] false false 3 false true 125000000 125 [1] false false No definition available. No authoritative reference available. false 483 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 484 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 1 false true 2879000000 2879 false false 2 false true 4333000000 4333 [1] false false 3 false true 3846000000 3846 [1] false false No definition available. No authoritative reference available. true 485 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 1 false true 476000000 476 false false 2 false true 435000000 435 [1] false false 3 false true 436000000 436 [1] false false No definition available. No authoritative reference available. true 486 Equity earnings (losses): 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 489 Other income (expense), net 2 us-gaap_NonoperatingIncomeExpense 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 2000000 2 [1] false false 3 false true -3000000 -3 [1] false false No definition available. No authoritative reference available. false 490 Interest income 2 us-gaap_InvestmentIncomeInterest 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 22000000 22 [1] false false 3 false true 51000000 51 [1] false false No definition available. No authoritative reference available. false 491 Interest expense 2 us-gaap_InterestExpense 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 -65000000 -65 [1] false false 3 false true -76000000 -76 [1] false false No definition available. No authoritative reference available. false 492 Income from continuing operations 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 1 false true 415000000 415 false false 2 false true 394000000 394 [1] false false 3 false true 408000000 408 [1] false false No definition available. No authoritative reference available. true 493 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 1 false true -145000000 -145 false false 2 false true -141000000 -141 [1] false false 3 false true -165000000 -165 [1] false false No definition available. No authoritative reference available. false 497 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. true 499 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false 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 -1000000 -1 [1] false false No definition available. No authoritative reference available. false 500 Earnings 2 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 269000000 269 false false 2 false true 252000000 252 [1] false false 3 false true 242000000 242 [1] false false No definition available. No authoritative reference available. true 501 Preferred dividend requirements 2 us-gaap_PreferredStockDividends 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 -4000000 -4 [1] false false 3 false true -4000000 -4 [1] false false No definition available. No authoritative reference available. false 502 Earnings attributable to common shares 2 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 265000000 265 false false 2 false true 248000000 248 [1] false false 3 false true 238000000 238 [1] false false No definition available. No authoritative reference available. true 514 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 543 Equity earnings (losses): 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 554 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. true 556 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false 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 -1000000 -1 [1] false false No definition available. No authoritative reference available. false 571 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 600 Equity earnings (losses): 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 611 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. true 613 Preferred dividends of subsidiaries 2 sre_PreferredStockDividendsOfSubsidiaries sre false 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 -1000000 -1 [1] false false No definition available. No authoritative reference available. false 628 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 633 Utility operating revenues 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 636 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 1 false true 3355000000 3355 false false 2 false true 4768000000 4768 false false 3 false true 4282000000 4282 false false No definition available. No authoritative reference available. true 648 Utility operating expenses 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 649 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 1 false true 1343000000 1343 false false 2 false true 2841000000 2841 false false 3 false true 2420000000 2420 false false No definition available. No authoritative reference available. false 651 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 1 false true 1138000000 1138 false false 2 false true 1078000000 1078 false false 3 false true 1021000000 1021 false false No definition available. No authoritative reference available. false 652 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 653 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 1 false true 105000000 105 false false 2 false true 135000000 135 false false 3 false true 125000000 125 false false No definition available. No authoritative reference available. false 654 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 655 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 1 false true 2879000000 2879 false false 2 false true 4334000000 4334 false false 3 false true 3845000000 3845 false false No definition available. No authoritative reference available. true 656 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 1 false true 476000000 476 false false 2 false true 434000000 434 false false 3 false true 437000000 437 false false No definition available. No authoritative reference available. true 657 Equity earnings (losses): 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 660 Other income (expense), net 2 us-gaap_NonoperatingIncomeExpense 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 2000000 2 false false 3 false true -3000000 -3 false false No definition available. No authoritative reference available. false 661 Interest income 2 us-gaap_InvestmentIncomeInterest 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 11000000 11 false false 3 false true 27000000 27 false false No definition available. No authoritative reference available. false 662 Interest expense 2 us-gaap_InterestExpense us-gaap true 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 -62000000 -62 false false 3 false true -70000000 -70 false false No definition available. No authoritative reference available. false 663 Income from continuing operations 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 1 false true 418000000 418 false false 2 false true 385000000 385 false false 3 false true 391000000 391 false false No definition available. No authoritative reference available. true 664 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 1 false true -144000000 -144 false false 2 false true -140000000 -140 false false 3 false true -160000000 -160 false false No definition available. No authoritative reference available. false 668 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. true 671 Earnings 2 us-gaap_NetIncomeLoss 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. true 672 Preferred dividend requirements 2 us-gaap_PreferredStockDividends 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 false false 3 false true -1000000 -1 false false No definition available. No authoritative reference available. false 673 Earnings attributable to common shares 2 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 273000000 273 false false 2 false true 244000000 244 false false 3 false true 230000000 230 false false No definition available. No authoritative reference available. true 685 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 714 Equity earnings (losses): 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 725 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. true 1 As adjusted for the retrospective adoption of ASC 810 (SFAS 160). false 3 141 false Millions Thousands UnKnown false true