v2.4.1.9

DEBT AND CREDIT FACILITIES (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Line Of Credit Facility, Sempra Energy Consolidated [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	$ 4,100us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyConsolidatedMember
Committed lines of credit, remaining borrowing capacity	3,300us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyConsolidatedMember
Weighted average interest rate on total short-term debt outstanding	0.72%us-gaap_ShortTermDebtWeightedAverageInterestRate / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyConsolidatedMember	0.70%us-gaap_ShortTermDebtWeightedAverageInterestRate / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyConsolidatedMember
Line Of Credit Facility, Sempra Energy [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	1,067us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyMember
Committed lines of credit, maximum ratio of indebtedness to total capitalization	65.00%sre_LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyMember
Committed lines of credit, capacity for issuance of letters of credit	635sre_LineOfCreditFacilityLettersOfCreditCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyMember
Committed lines of credit, outstanding borrowings	0us-gaap_LineOfCredit / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraEnergyMember
Line Of Credit Facility, Sempra Global [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	2,189us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraGlobalMember
Committed lines of credit, maximum ratio of indebtedness to total capitalization	65.00%sre_LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraGlobalMember
Outstanding commercial paper supported by committed lines of credit	731us-gaap_CommercialPaper / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySempraGlobalMember
Line Of Credit Facility, S D G E [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	658us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySDGEMember
Committed lines of credit, maximum ratio of indebtedness to total capitalization	65.00%sre_LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySDGEMember
Committed lines of credit, remaining borrowing capacity	558us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySDGEMember
Outstanding commercial paper supported by committed lines of credit	100us-gaap_CommercialPaper / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySDGEMember
Weighted average interest rate on total short-term debt outstanding		0.27%us-gaap_ShortTermDebtWeightedAverageInterestRate / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySDGEMember
Weighted Average Interest Rate On Commercial Paper, Noncurrent	0.40%sre_WeightedAverageInterestRateOnCommercialPaperNoncurrent / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySDGEMember
Line Of Credit Facility, So Cal Gas [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	658us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySoCalGasMember
Committed lines of credit, maximum ratio of indebtedness to total capitalization	65.00%sre_LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySoCalGasMember
Committed lines of credit, remaining borrowing capacity	658us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySoCalGasMember
Outstanding letters of credit	0us-gaap_LettersOfCreditOutstandingAmount / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySoCalGasMember
Weighted average interest rate on total short-term debt outstanding		0.25%us-gaap_ShortTermDebtWeightedAverageInterestRate / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySoCalGasMember
Line Of Credit Facility, California Utilities Combined [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	877us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityCaliforniaUtilitiesCombinedMember
Committed lines of credit, capacity for issuance of letters of credit	300sre_LineOfCreditFacilityLettersOfCreditCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityCaliforniaUtilitiesCombinedMember
Line Of Credit Facility, South American Utilities And Mexico [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	843us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySouthAmericanUtilitiesAndMexicoMember
Committed lines of credit, remaining borrowing capacity	648us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilitySouthAmericanUtilitiesAndMexicoMember
Line Of Credit Facility, IEnova Santander [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	200us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityIenovaSantanderMember
Committed lines of credit, remaining borrowing capacity	150us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityIenovaSantanderMember
Committed lines of credit, outstanding borrowings	50us-gaap_LineOfCredit / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityIenovaSantanderMember
Line Of Credit Facility, IEnova Sumitomo [Member]
Line of Credit Facility [Line Items]
Committed lines of credit, maximum borrowing capacity	100us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityIenovaSumitomoMember
Committed lines of credit, remaining borrowing capacity	75us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityIenovaSumitomoMember
Committed lines of credit, outstanding borrowings	$ 25us-gaap_LineOfCredit / us-gaap_LineOfCreditFacilityAxis = sre_LineOfCreditFacilityIenovaSumitomoMember

X

- Definition

Committed lines of credit, capacity for issuance of letters of credit.

+ References

No definition available.

+ Details

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Namespace Prefix:	sre_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Committed lines of credit, maximum ratio of indebtedness to total capitalization.

+ References

No definition available.

+ Details

Name:	sre_LineOfCreditFacilityMaximumRatioOfIndebtednessToTotalCapitalization
Namespace Prefix:	sre_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Weighted average interest rate on commercial paper, noncurrent.

+ References

No definition available.

+ Details

Name:	sre_WeightedAverageInterestRateOnCommercialPaperNoncurrent
Namespace Prefix:	sre_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a)(3))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13(2))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a(3)

-Article 5



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph 2

-Article 9

+ Details

Name:	us-gaap_CommercialPaper
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Weighted average interest rate of short-term debt outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph b

-Article 5

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- Details

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- Details

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- Details

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- Details

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- Details

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