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OTHER FINANCIAL DATA - OTHER INCOME (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |||||||
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Mar. 31, 2015
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Mar. 31, 2014
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| Component of Other Income, Nonoperating [Line Items] | ||||||||
| AFUDC related to equity | $ 27us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity | $ 25us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity | ||||||
| Investment gains (losses) | 9us-gaap_GainLossOnInvestments | [1] | 8us-gaap_GainLossOnInvestments | [1] | ||||
| Gains (losses) on interest rate and foreign exchange instruments, net | 0us-gaap_UnrealizedGainLossOnDerivatives | 2us-gaap_UnrealizedGainLossOnDerivatives | ||||||
| Regulatory Interest, net | 1sre_RegulatoryInterestNet | [2] | 1sre_RegulatoryInterestNet | [2] | ||||
| Sundry, net | 3us-gaap_OtherNonoperatingIncome | 4us-gaap_OtherNonoperatingIncome | ||||||
| Foreign currency gain (losses) | (1)us-gaap_ForeignCurrencyTransactionGainLossRealized | 0us-gaap_ForeignCurrencyTransactionGainLossRealized | ||||||
| Total | 39us-gaap_NonoperatingIncomeExpense | 40us-gaap_NonoperatingIncomeExpense | ||||||
| San Diego Gas and Electric Company [Member] | ||||||||
| Component of Other Income, Nonoperating [Line Items] | ||||||||
| AFUDC related to equity | 8us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
11us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
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| Regulatory Interest, net | 1sre_RegulatoryInterestNet / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
[2] | 1sre_RegulatoryInterestNet / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
[2] | ||||
| Sundry, net | 0us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
1us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
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| Total | 9us-gaap_NonoperatingIncomeExpense / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
13us-gaap_NonoperatingIncomeExpense / dei_LegalEntityAxis = sre_SanDiegoGasAndElectricCompanyMember |
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| Southern California Gas Company [Member] | ||||||||
| Component of Other Income, Nonoperating [Line Items] | ||||||||
| AFUDC related to equity | 9us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
5us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
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| Sundry, net | (1)us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
(1)us-gaap_OtherNonoperatingIncome / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
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| Total | $ 8us-gaap_NonoperatingIncomeExpense / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
$ 4us-gaap_NonoperatingIncomeExpense / dei_LegalEntityAxis = sre_SouthernCaliforniaGasCompanyMember |
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- Definition
Regulatory interest, net. No definition available.
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| X | ||||||||||
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- Details
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- Definition
Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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