COMMITMENTS AND CONTINGENCIES - CONTRACTUAL COMMITMENTS 4 (Details) - Pio Pico [Member] - Sempra Energy Consolidated $ in Millions |
Jun. 30, 2015
USD ($)
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| Capital Leases [Line Items] | ||||||
| CapitalLeasesFutureMinimumPaymentsDueCurrent | $ 0 | |||||
| CapitalLeasesFutureMinimumPaymentsDueInTwoYears | 0 | |||||
| CapitalLeasesFutureMinimumPaymentsDueInThreeYears | 38 | |||||
| CapitalLeasesFutureMinimumPaymentsDueInFourYears | 65 | |||||
| CapitalLeasesFutureMinimumPaymentsDueInFiveYears | 65 | |||||
| CapitalLeasesFutureMinimumPaymentsDueThereafter | 1,460 | |||||
| CapitalLeasesFutureMinimumPaymentsDue | [1] | 1,628 | ||||
| CapitalLeasesFutureMinimumPaymentsExecutoryCosts | (392) | |||||
| CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments | [2] | (736) | ||||
| CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments | $ 500 | |||||
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