v2.4.1.9

CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) | Mar. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Current assets: |  |  |  |
Cash and cash equivalents | $ 377,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue |  | $ 570,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | [1]
Restricted cash | 10,000,000 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue |  | 11,000,000 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue | [1]
Trade accounts receivable | 1,081,000,000 us-gaap_AccountsReceivableNetCurrent |  | 1,242,000,000 us-gaap_AccountsReceivableNetCurrent | [1]
Other accounts and notes receivable | 175,000,000 us-gaap_AccountsNotesAndLoansReceivableNetCurrent |  | 152,000,000 us-gaap_AccountsNotesAndLoansReceivableNetCurrent | [1]
Due from unconsolidated affiliates | 5,000,000 us-gaap_DueFromAffiliateCurrent |  | 38,000,000 us-gaap_DueFromAffiliateCurrent | [1]
Income taxes receivable | 53,000,000 us-gaap_IncomeTaxesReceivable |  | 45,000,000 us-gaap_IncomeTaxesReceivable | [1]
Deferred income taxes, net current assets | 244,000,000 us-gaap_DeferredTaxAssetsNetCurrent |  | 305,000,000 us-gaap_DeferredTaxAssetsNetCurrent | [1]
Inventories | 255,000,000 us-gaap_InventoryNet |  | 396,000,000 us-gaap_InventoryNet | [1]
Regulatory balancing accounts, undercollected | 718,000,000 sre_RegulatoryBalancingAccountsUndercollected |  | 746,000,000 sre_RegulatoryBalancingAccountsUndercollected | [1]
Fixed-price contracts and other derivatives, current assets | 89,000,000 us-gaap_DerivativeAssetsCurrent |  | 93,000,000 us-gaap_DerivativeAssetsCurrent | [1]
Assets held for sale, power plant | 295,000,000 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent |  | 293,000,000 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent | [1]
Other current assets | 354,000,000 us-gaap_OtherAssetsCurrent |  | 293,000,000 us-gaap_OtherAssetsCurrent | [1]
Total current assets | 3,656,000,000 us-gaap_AssetsCurrent |  | 4,184,000,000 us-gaap_AssetsCurrent | [1]
Investments And Other Assets [Abstract] |  |  |  |
Restricted cash, noncurrent | 23,000,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent |  | 29,000,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent | [1]
Due from unconsolidated affiliate | 195,000,000 us-gaap_DueFromAffiliateNoncurrent |  | 188,000,000 us-gaap_DueFromAffiliateNoncurrent | [1]
Other regulatory assets | 3,046,000,000 us-gaap_RegulatoryAssetsNoncurrent |  | 3,031,000,000 us-gaap_RegulatoryAssetsNoncurrent | [1]
Nuclear decommissioning trusts | 1,150,000,000 us-gaap_DecommissioningFundInvestments |  | 1,131,000,000 us-gaap_DecommissioningFundInvestments | [1]
Other investments | 2,772,000,000 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures |  | 2,848,000,000 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures | [1]
Goodwill | 903,000,000 us-gaap_Goodwill |  | 931,000,000 us-gaap_Goodwill | [1]
Other intangible assets | 412,000,000 us-gaap_IntangibleAssetsNetExcludingGoodwill |  | 415,000,000 us-gaap_IntangibleAssetsNetExcludingGoodwill | [1]
Sundry | 682,000,000 us-gaap_OtherAssetsNoncurrent |  | 561,000,000 us-gaap_OtherAssetsNoncurrent | [1]
Dedicated assets in support of certain benefit plans | 476,000,000 us-gaap_AssetsHeldInTrustNoncurrent |  | 512,000,000 us-gaap_AssetsHeldInTrustNoncurrent | [1]
Total investments and other assets | 9,659,000,000 sre_TotalInvestmentsAndOtherAssets |  | 9,646,000,000 sre_TotalInvestmentsAndOtherAssets | [1]
Property, plant and equipment: |  |  |  |
Property, plant and equipment | 35,901,000,000 us-gaap_PropertyPlantAndEquipmentGross |  | 35,407,000,000 us-gaap_PropertyPlantAndEquipmentGross | [1]
Less accumulated depreciation and amortization | (9,665,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment |  | (9,505,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | [1]
Property, plant and equipment, net | 26,236,000,000 us-gaap_PropertyPlantAndEquipmentNet |  | 25,902,000,000 us-gaap_PropertyPlantAndEquipmentNet | [1]
Total assets | 39,551,000,000 us-gaap_Assets |  | 39,732,000,000 us-gaap_Assets | [1]
Current liabilities: |  |  |  |
Short-term debt | 795,000,000 us-gaap_ShortTermBorrowings |  | 1,733,000,000 us-gaap_ShortTermBorrowings | [1]
Accounts payable - trade | 907,000,000 us-gaap_AccountsPayableTradeCurrent |  | 1,198,000,000 us-gaap_AccountsPayableTradeCurrent | [1]
Accounts payable - other | 137,000,000 us-gaap_AccountsPayableOtherCurrent |  | 155,000,000 us-gaap_AccountsPayableOtherCurrent | [1]
Due to unconsolidated affiliates | 0 us-gaap_DueToAffiliateCurrent |  | 2,000,000 us-gaap_DueToAffiliateCurrent | [1]
Dividends and interest payable | 344,000,000 us-gaap_InterestAndDividendsPayableCurrent |  | 282,000,000 us-gaap_InterestAndDividendsPayableCurrent | [1]
Accrued compensation and benefits | 238,000,000 us-gaap_EmployeeRelatedLiabilitiesCurrent |  | 373,000,000 us-gaap_EmployeeRelatedLiabilitiesCurrent | [1]
Current portion of long-term debt | 477,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent |  | 469,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent | [1]
Fixed-price contracts and other derivatives, current liabilities | 50,000,000 us-gaap_DerivativeLiabilitiesCurrent |  | 55,000,000 us-gaap_DerivativeLiabilitiesCurrent | [1]
Customer deposits | 155,000,000 us-gaap_CustomerDepositsCurrent |  | 153,000,000 us-gaap_CustomerDepositsCurrent | [1]
Other current liabilities | 667,000,000 us-gaap_OtherLiabilitiesCurrent |  | 649,000,000 us-gaap_OtherLiabilitiesCurrent | [1]
Total current liabilities | 3,770,000,000 us-gaap_LiabilitiesCurrent |  | 5,069,000,000 us-gaap_LiabilitiesCurrent | [1]
Long-term debt | 13,012,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligations |  | 12,167,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligations | [1]
Deferred Credits And Other Liabilities [Abstract] |  |  |  |
Customer advances for construction | 144,000,000 us-gaap_CustomerAdvancesForConstruction |  | 144,000,000 us-gaap_CustomerAdvancesForConstruction | [1]
Pension and other postretirement benefit obligations, net of plan assets | 1,077,000,000 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent |  | 1,064,000,000 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | [1]
Deferred income taxes, net noncurrent liabilities | 3,019,000,000 us-gaap_DeferredTaxLiabilitiesNoncurrent |  | 3,003,000,000 us-gaap_DeferredTaxLiabilitiesNoncurrent | [1]
Deferred investment tax credits | 35,000,000 us-gaap_AccumulatedDeferredInvestmentTaxCredit |  | 37,000,000 us-gaap_AccumulatedDeferredInvestmentTaxCredit | [1]
Regulatory liabilities arising from removal obligations | 2,755,000,000 sre_RegulatoryLiabilitiesArisingFromRemovalObligations |  | 2,741,000,000 sre_RegulatoryLiabilitiesArisingFromRemovalObligations | [1]
Asset retirement obligations | 2,066,000,000 us-gaap_AssetRetirementObligationsNoncurrent |  | 2,048,000,000 us-gaap_AssetRetirementObligationsNoncurrent | [1]
Fixed-price contracts and other derivatives, noncurrent liabilities | 274,000,000 us-gaap_DerivativeLiabilitiesNoncurrent |  | 255,000,000 us-gaap_DerivativeLiabilitiesNoncurrent | [1]
Deferred credits and other | 1,118,000,000 us-gaap_OtherLiabilitiesNoncurrent |  | 1,104,000,000 us-gaap_OtherLiabilitiesNoncurrent | [1]
Total deferred credits and other liabilities | 10,488,000,000 us-gaap_DeferredCreditsAndOtherLiabilities |  | 10,396,000,000 us-gaap_DeferredCreditsAndOtherLiabilities | [1]
Equity: |  |  |  |
Preferred stock | 0 us-gaap_PreferredStockValue |  | 0 us-gaap_PreferredStockValue | [1]
Common stock | 2,514,000,000 us-gaap_CommonStockValue |  | 2,484,000,000 us-gaap_CommonStockValue | [1]
Retained earnings | 9,603,000,000 us-gaap_RetainedEarningsAccumulatedDeficit |  | 9,339,000,000 us-gaap_RetainedEarningsAccumulatedDeficit | [1]
Accumulated other comprehensive income (loss) | (613,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | [2] | (497,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | [1],[2]
Total shareholders' equity | 11,504,000,000 us-gaap_StockholdersEquity |  | 11,326,000,000 us-gaap_StockholdersEquity | [1]
Preferred stock of subsidiaries | 20,000,000 sre_PreferredStockOfSubsidiaries |  | 20,000,000 sre_PreferredStockOfSubsidiaries | [1]
Other noncontrolling interests | 757,000,000 us-gaap_MinorityInterest |  | 754,000,000 us-gaap_MinorityInterest | [1]
Total equity | 12,281,000,000 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  | 12,100,000,000 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | [1]
Total liabilities and equity | 39,551,000,000 us-gaap_LiabilitiesAndStockholdersEquity |  | 39,732,000,000 us-gaap_LiabilitiesAndStockholdersEquity | [1]
San Diego Gas and Electric Company [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 23,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 8,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Restricted cash | 7,000,000 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 8,000,000 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Trade accounts receivable | 297,000,000 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 285,000,000 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Other accounts and notes receivable | 36,000,000 us-gaap_AccountsNotesAndLoansReceivableNetCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 35,000,000 us-gaap_AccountsNotesAndLoansReceivableNetCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Due from unconsolidated affiliates | 41,000,000 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,000,000 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Inventories | 69,000,000 us-gaap_InventoryNet / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 73,000,000 us-gaap_InventoryNet / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Regulatory balancing accounts, undercollected | 659,000,000 sre_RegulatoryBalancingAccountsUndercollected / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 711,000,000 sre_RegulatoryBalancingAccountsUndercollected / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Other regulatory assets | 101,000,000 us-gaap_RegulatoryAssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 54,000,000 us-gaap_RegulatoryAssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Fixed-price contracts and other derivatives, current assets | 44,000,000 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 44,000,000 us-gaap_DerivativeAssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Other current assets | 107,000,000 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 125,000,000 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total current assets | 1,384,000,000 us-gaap_AssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,344,000,000 us-gaap_AssetsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Investments And Other Assets [Abstract] |  |  |  |
Restricted cash, noncurrent | 12,000,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 11,000,000 us-gaap_RestrictedCashAndCashEquivalentsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Deferred taxes recoverable in rates | 833,000,000 sre_DeferredIncomeTaxesRecoverableInRates / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 824,000,000 sre_DeferredIncomeTaxesRecoverableInRates / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Other regulatory assets | 1,015,000,000 us-gaap_RegulatoryAssetsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,086,000,000 us-gaap_RegulatoryAssetsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Nuclear decommissioning trusts | 1,150,000,000 us-gaap_DecommissioningFundInvestments / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,131,000,000 us-gaap_DecommissioningFundInvestments / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Sundry | 369,000,000 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 282,000,000 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total investments and other assets | 3,379,000,000 sre_TotalInvestmentsAndOtherAssets / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 3,334,000,000 sre_TotalInvestmentsAndOtherAssets / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Property, plant and equipment: |  |  |  |
Property, plant and equipment | 15,643,000,000 us-gaap_PropertyPlantAndEquipmentGross / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 15,478,000,000 us-gaap_PropertyPlantAndEquipmentGross / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Less accumulated depreciation and amortization | (3,921,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | (3,860,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Property, plant and equipment, net | 11,722,000,000 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 11,618,000,000 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total assets | 16,485,000,000 us-gaap_Assets / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 16,296,000,000 us-gaap_Assets / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Current liabilities: |  |  |  |
Short-term debt | 0 us-gaap_ShortTermBorrowings / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 246,000,000 us-gaap_ShortTermBorrowings / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Accounts payable - trade | 310,000,000 us-gaap_AccountsPayableTradeCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 441,000,000 us-gaap_AccountsPayableTradeCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Due to unconsolidated affiliates | 2,000,000 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 21,000,000 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Income taxes payable | 30,000,000 us-gaap_AccruedIncomeTaxesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 30,000,000 us-gaap_AccruedIncomeTaxesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Deferred income taxes, net current liabilities | 114,000,000 us-gaap_DeferredTaxLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 53,000,000 us-gaap_DeferredTaxLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Accrued compensation and benefits | 66,000,000 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 124,000,000 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Current portion of long-term debt | 401,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 365,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Fixed-price contracts and other derivatives, current liabilities | 38,000,000 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 40,000,000 us-gaap_DerivativeLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Customer deposits | 72,000,000 us-gaap_CustomerDepositsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 71,000,000 us-gaap_CustomerDepositsCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Other current liabilities | 242,000,000 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 237,000,000 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Interest payable | 51,000,000 us-gaap_InterestPayableCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 40,000,000 us-gaap_InterestPayableCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Asset Retirement Obligation Current | 105,000,000 us-gaap_AssetRetirementObligationCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 120,000,000 us-gaap_AssetRetirementObligationCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total current liabilities | 1,431,000,000 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,788,000,000 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Long-term debt | 4,668,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 4,319,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Deferred Credits And Other Liabilities [Abstract] |  |  |  |
Customer advances for construction | 41,000,000 us-gaap_CustomerAdvancesForConstruction / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 41,000,000 us-gaap_CustomerAdvancesForConstruction / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Pension and other postretirement benefit obligations, net of plan assets | 220,000,000 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 216,000,000 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Deferred income taxes, net noncurrent liabilities | 2,122,000,000 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 2,121,000,000 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Deferred investment tax credits | 21,000,000 us-gaap_AccumulatedDeferredInvestmentTaxCredit / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 22,000,000 us-gaap_AccumulatedDeferredInvestmentTaxCredit / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Regulatory liabilities arising from removal obligations | 1,587,000,000 sre_RegulatoryLiabilitiesArisingFromRemovalObligations / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,557,000,000 sre_RegulatoryLiabilitiesArisingFromRemovalObligations / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Asset retirement obligations | 746,000,000 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 754,000,000 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Fixed-price contracts and other derivatives, noncurrent liabilities | 151,000,000 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 153,000,000 us-gaap_DerivativeLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Deferred credits and other | 360,000,000 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 333,000,000 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total deferred credits and other liabilities | 5,248,000,000 us-gaap_DeferredCreditsAndOtherLiabilities / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 5,197,000,000 us-gaap_DeferredCreditsAndOtherLiabilities / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Equity: |  |  |  |
Common stock | 1,338,000,000 us-gaap_CommonStockValue / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 1,338,000,000 us-gaap_CommonStockValue / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Retained earnings | 3,753,000,000 us-gaap_RetainedEarningsAccumulatedDeficit / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 3,606,000,000 us-gaap_RetainedEarningsAccumulatedDeficit / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Accumulated other comprehensive income (loss) | (12,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | (12,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total shareholders' equity | 5,079,000,000 us-gaap_StockholdersEquity / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 4,932,000,000 us-gaap_StockholdersEquity / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Other noncontrolling interests | 59,000,000 us-gaap_MinorityInterest / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 60,000,000 us-gaap_MinorityInterest / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Total equity | 5,138,000,000 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 4,992,000,000 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
Total liabilities and equity | 16,485,000,000 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |  | 16,296,000,000 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember | [1]
Southern California Gas Company [Member] |  |  |  |
Current assets: |  |  |  |
Cash and cash equivalents | 21,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 85,000,000 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Trade accounts receivable | 437,000,000 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 586,000,000 us-gaap_AccountsReceivableNetCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Other accounts and notes receivable | 68,000,000 us-gaap_AccountsNotesAndLoansReceivableNetCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 51,000,000 us-gaap_AccountsNotesAndLoansReceivableNetCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Due from unconsolidated affiliates | 61,000,000 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 4,000,000 us-gaap_DueFromAffiliateCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Income taxes receivable | 0 us-gaap_IncomeTaxesReceivable / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 5,000,000 us-gaap_IncomeTaxesReceivable / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Inventories | 109,000,000 us-gaap_InventoryNet / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 181,000,000 us-gaap_InventoryNet / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Regulatory balancing accounts, undercollected | 59,000,000 sre_RegulatoryBalancingAccountsUndercollected / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 35,000,000 sre_RegulatoryBalancingAccountsUndercollected / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Other regulatory assets | 6,000,000 us-gaap_RegulatoryAssetsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 5,000,000 us-gaap_RegulatoryAssetsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Other current assets | 62,000,000 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 36,000,000 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total current assets | 823,000,000 us-gaap_AssetsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 988,000,000 us-gaap_AssetsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Investments And Other Assets [Abstract] |  |  |  |
Regulatory assets arising from pension and other postretirement benefit obligations | 633,000,000 sre_RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 617,000,000 sre_RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Other regulatory assets | 532,000,000 us-gaap_RegulatoryAssetsNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 472,000,000 us-gaap_RegulatoryAssetsNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Other post retirement benefit assets, net of plan liabilities | 4,000,000 sre_OtherPostRetirementBenefitAssetsNetOfPlanLiabilities1 / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 4,000,000 sre_OtherPostRetirementBenefitAssetsNetOfPlanLiabilities1 / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Sundry | 147,000,000 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 136,000,000 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total investments and other assets | 1,316,000,000 sre_TotalInvestmentsAndOtherAssets / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,229,000,000 sre_TotalInvestmentsAndOtherAssets / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Property, plant and equipment: |  |  |  |
Property, plant and equipment | 13,130,000,000 us-gaap_PropertyPlantAndEquipmentGross / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 12,886,000,000 us-gaap_PropertyPlantAndEquipmentGross / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Less accumulated depreciation and amortization | (4,706,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | (4,642,000,000)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Property, plant and equipment, net | 8,424,000,000 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 8,244,000,000 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total assets | 10,563,000,000 us-gaap_Assets / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 10,461,000,000 us-gaap_Assets / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Current liabilities: |  |  |  |
Short-term debt | 0 us-gaap_ShortTermBorrowings / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 50,000,000 us-gaap_ShortTermBorrowings / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Accounts payable - trade | 344,000,000 us-gaap_AccountsPayableTradeCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 532,000,000 us-gaap_AccountsPayableTradeCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Accounts payable - other | 84,000,000 us-gaap_AccountsPayableOtherCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 88,000,000 us-gaap_AccountsPayableOtherCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Due to unconsolidated affiliates | 0 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 13,000,000 us-gaap_DueToAffiliateCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Income taxes payable | 100,000,000 us-gaap_AccruedIncomeTaxesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 0 us-gaap_AccruedIncomeTaxesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Deferred income taxes, net current liabilities | 56,000,000 us-gaap_DeferredTaxLiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 53,000,000 us-gaap_DeferredTaxLiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Accrued compensation and benefits | 104,000,000 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 129,000,000 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Customer deposits | 75,000,000 us-gaap_CustomerDepositsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 75,000,000 us-gaap_CustomerDepositsCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Other current liabilities | 148,000,000 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 149,000,000 us-gaap_OtherLiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total current liabilities | 911,000,000 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,089,000,000 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Long-term debt | 1,906,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,906,000,000 us-gaap_LongTermDebtAndCapitalLeaseObligations / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Deferred Credits And Other Liabilities [Abstract] |  |  |  |
Customer advances for construction | 101,000,000 us-gaap_CustomerAdvancesForConstruction / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 102,000,000 us-gaap_CustomerAdvancesForConstruction / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Pension and other postretirement benefit obligations, net of plan assets | 650,000,000 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 633,000,000 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Deferred income taxes, net noncurrent liabilities | 1,249,000,000 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,212,000,000 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Deferred investment tax credits | 15,000,000 us-gaap_AccumulatedDeferredInvestmentTaxCredit / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 16,000,000 us-gaap_AccumulatedDeferredInvestmentTaxCredit / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Regulatory liabilities arising from removal obligations | 1,150,000,000 sre_RegulatoryLiabilitiesArisingFromRemovalObligations / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,167,000,000 sre_RegulatoryLiabilitiesArisingFromRemovalObligations / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Asset retirement obligations | 1,280,000,000 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,255,000,000 us-gaap_AssetRetirementObligationsNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Deferred credits and other | 306,000,000 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 300,000,000 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total deferred credits and other liabilities | 4,751,000,000 us-gaap_DeferredCreditsAndOtherLiabilities / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 4,685,000,000 us-gaap_DeferredCreditsAndOtherLiabilities / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Equity: |  |  |  |
Preferred stock | 22,000,000 us-gaap_PreferredStockValue / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 22,000,000 us-gaap_PreferredStockValue / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Common stock | 866,000,000 us-gaap_CommonStockValue / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 866,000,000 us-gaap_CommonStockValue / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Retained earnings | 2,125,000,000 us-gaap_RetainedEarningsAccumulatedDeficit / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 1,911,000,000 us-gaap_RetainedEarningsAccumulatedDeficit / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Accumulated other comprehensive income (loss) | (18,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | (18,000,000)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total shareholders' equity | 2,995,000,000 us-gaap_StockholdersEquity / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 2,781,000,000 us-gaap_StockholdersEquity / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
Total equity | 2,995,000,000 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | 2,781,000,000 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
Total liabilities and equity | $ 10,563,000,000 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |  | $ 10,461,000,000 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember | [1]
[1] | Derived from audited financial statements.
[2] | All amounts are net of income tax, if subject to tax, and exclude noncontrolling interests.

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