v3.2.0.727

DERIVATIVE FINANCIAL INSTRUMENTS 2 (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
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Jun. 30, 2015 | Dec. 31, 2014
Cash Flow Hedges |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Derivative Liability Notional Amount | $ 392 | $ 399
Cash Flow Hedges | Maximum [Member] |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Maturities of interest rate derivatives |  |
Cash Flow Hedges | Minimum [Member] |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Maturities of interest rate derivatives |  |
Fair Value Hedges |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Derivative Liability Notional Amount | $ 300 | $ 300
Fair Value Hedges | Maximum [Member] |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Maturities of interest rate derivatives |  |
San Diego Gas and Electric Company [Member] | Cash Flow Hedges |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Derivative Liability Notional Amount | $ 320 | $ 325
San Diego Gas and Electric Company [Member] | Cash Flow Hedges | Maximum [Member] |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Maturities of interest rate derivatives |  |
San Diego Gas and Electric Company [Member] | Cash Flow Hedges | Minimum [Member] |  |
Schedule Of Notional Amounts Of Interest Rate Derivatives [Line Items] |  |
Maturities of interest rate derivatives |  |

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- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959 + Details
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