Assets Held for Sale, Long-term Debt

No definition available.

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Period Type:	instant

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of long-term debt due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ 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 210.5-02.22)
-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 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Section 45
-Paragraph 10
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Section 45
-Paragraph 11
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721673-107760

+ Details

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

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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

- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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

- Definition

The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

DEBT AND CREDIT FACILITIES - OTHER LONG-TERM DEBT (Details) - USD ($) $ in Millions	1 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jan. 31, 2017	Dec. 14, 2016	Oct. 31, 2016	Sep. 26, 2016	Sep. 12, 2016	Jul. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Disposal Group Disposed of by Sale [Member]
Debt Instrument [Line Items]
Cash	$ 2									$ 10
Sempra South American Utilities [Member] \| Corporate Bonds Due in 2025 [Member]
Debt Instrument [Line Items]
Stated percentage rate								6.50%
Sempra Mexico [Member] \| GdC [Member]
Debt Instrument [Line Items]
Debt acquired						$ 315
Current portion of debt acquired						$ 49
Sempra Mexico [Member] \| Ventika [Member]
Debt Instrument [Line Items]
Debt acquired				$ 478
Current portion of debt acquired				$ 7
Sempra LNG & MIdstream [Member] \| Disposal Group Disposed of by Sale [Member] \| Energy South [Member]
Debt Instrument [Line Items]
Proceeds from sale							$ 318
Cash							2
Debt transferred							$ 67
Sempra LNG & MIdstream [Member] \| Mobile Gas [Member] \| Disposal Group Disposed of by Sale [Member] \| Energy South [Member] \| 4.14% First Mortgage Bonds [Member]
Debt Instrument [Line Items]
Stated percentage rate							4.14%
Debt transferred							$ 20
Sempra LNG & MIdstream [Member] \| Mobile Gas [Member] \| Disposal Group Disposed of by Sale [Member] \| Energy South [Member] \| 5% First Mortgage Bonds [Member]
Debt Instrument [Line Items]
Stated percentage rate							5.00%
Debt transferred							$ 42
Sempra LNG & MIdstream [Member] \| Willmut Gas [Member] \| Disposal Group Disposed of by Sale [Member] \| Energy South [Member] \| 3.1% Notes Payable [Member]
Debt Instrument [Line Items]
Stated percentage rate							3.10%
Debt transferred							$ 5
Sempra Energy [Member] \| Other Long-term Debt, Due October 2019 [Member]
Debt Instrument [Line Items]
Gross long-term debt	$ 500				$ 500				$ 0
Stated percentage rate	1.625%				1.625%
Luz Del Sur [Member] \| Sempra South American Utilities [Member] \| Corporate Bonds Due in 2025 [Member]
Debt Instrument [Line Items]
Gross long-term debt								$ 50
IEnova [Member] \| Sempra Mexico [Member] \| GdC [Member]
Debt Instrument [Line Items]
Acquired percentage interest		50.00%				50.00%
Debt acquired		$ 364
Current portion of debt acquired		$ 49
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member]
Debt Instrument [Line Items]
Gross long-term debt	$ 481
Effective percentage rate	6.30%
Acquired percentage interest				100.00%
Debt acquired	$ 485
Current portion of debt acquired	7
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Year 2024 [Member]
Debt Instrument [Line Items]
Debt acquired	113
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Matures in March 2032 [Member]
Debt Instrument [Line Items]
Debt acquired	372
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Other Long Term Debt, Payable Currently Through May 2032 [Member]
Debt Instrument [Line Items]
Long-term debt subject to fixed rate	$ 254
Stated percentage rate	3.64%
Effective percentage rate	6.67%
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Other Long Term Debt, Payable Currently Through May 2032 [Member] \| Credit Spread [Member]
Debt Instrument [Line Items]
Variable percentage rate	3.03%
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Other Long Term Debt, Variable Rate, Payable Through May 2032, Subject to Hedging [Member]
Debt Instrument [Line Items]
Long-term debt subject to variable rate	$ 187
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Other Long Term Debt, Variable Rate, Payable Through May 2032, Not Subject to Hedging [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Long-term debt subject to variable rate	$ 40
Variable percentage rate	3.03%
Effective percentage rate	3.99%
IEnova [Member] \| Sempra Mexico [Member] \| Ventika [Member] \| Other Long Term Debt, Variable Rate, Payable Through May 2032 [Member]
Debt Instrument [Line Items]
Long-term debt subject to variable rate	$ 227
IEnova [Member] \| Sempra Mexico [Member] \| Minimum [Member] \| GdC [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Variable percentage rate		2.00%
IEnova [Member] \| Sempra Mexico [Member] \| Minimum [Member] \| Ventika [Member] \| Other Long Term Debt, Payable Currently Through May 2032 [Member] \| Credit Spread [Member]
Debt Instrument [Line Items]
Variable percentage rate	3.03%
IEnova [Member] \| Sempra Mexico [Member] \| Maximum [Member] \| GdC [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Variable percentage rate		2.75%
IEnova [Member] \| Sempra Mexico [Member] \| Maximum [Member] \| Ventika [Member] \| Other Long Term Debt, Payable Currently Through May 2032 [Member] \| Credit Spread [Member]
Debt Instrument [Line Items]
Variable percentage rate	3.93%
IEnova [Member] \| Sempra Mexico [Member] \| Interest Rate Swap [Member] \| GdC [Member]
Debt Instrument [Line Items]
Hedging rate		2.63%
IEnova [Member] \| Sempra Mexico [Member] \| Interest Rate Swap [Member] \| Ventika [Member] \| Other Long Term Debt, Variable Rate, Payable Through May 2032, Subject to Hedging [Member]
Debt Instrument [Line Items]
Hedging rate	3.26%
Effective percentage rate	6.29%
IEnova [Member] \| Sempra Mexico [Member] \| Interest Rate Swap [Member] \| Ventika [Member] \| Other Long Term Debt, Variable Rate, Payable Through May 2032, Subject to Hedging [Member] \| Credit Spread [Member]
Debt Instrument [Line Items]
Variable percentage rate	3.03%
Sempra Mexico [Member] \| Other Long Term Debt, Payable Currently Through May 2032 [Member]
Debt Instrument [Line Items]
Long-term debt subject to fixed rate	$ 254
Gross long-term debt	$ 481								$ 0
Effective percentage rate	6.67%
Subsequent Event [Member] \| Sempra South American Utilities [Member] \| Corporate Bonds Due in 2023 [Member]
Debt Instrument [Line Items]
Stated percentage rate			6.375%
Subsequent Event [Member] \| Luz Del Sur [Member] \| Sempra South American Utilities [Member] \| Corporate Bonds Due in 2023 [Member]
Debt Instrument [Line Items]
Gross long-term debt			$ 50