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available.falsefalse103false0sre_TransactionsWithJointVentureDueToJointVenturesrefalsecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse1100000011falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse1100000011falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse104false0sre_TransactionsWithJointVentureDueFromJointVenturesrefalsedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse50000005falsetruefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse50000005falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNo definition available.No authoritative reference available.falsefalse1SDG&E, PE and SoCalGas are included in the consolidated income tax return of Sempra Energy and are allocated income tax expense from Sempra Energy in an amount equal to that which would result from the companies' having always filed a separate return.2Includes amounts in 2010 for Sempra Rockies Marketing, previously reported in the Sempra Commodities segment, as we discuss in Note 11. 384OTHER FINANCIAL DATA - TRANSACTIONS WITH AFFILIATES (Details) (USD $)MillionsUnKnownUnKnownUnKnowntruetrue