Transportation Service Contract, Term

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- 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

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Allowance for Funds Used during Construction
-URI http://asc.fasb.org/extlink&oid=6504829

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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- 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.

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INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 27, 2016	Sep. 26, 2016	Sep. 25, 2016	May 31, 2016	Mar. 31, 2016	Mar. 29, 2016
Schedule of Equity Method Investments [Line Items]
Capitalized interest		$ 26	$ 18	$ 64	$ 52
Maximum exposure under guarantor obligations		4,500		4,500
Aggregate carrying value of guarantor obligations		$ 58		$ 58
Sempra Mexico [Member] \| GdC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage acquired							50.00%
Ownership percentage						100.00%	100.00%	50.00%
Sempra Mexico [Member] \| IEnova [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage		40.00%		40.00%
Natural gas transportation service agreement term				25 years
Sempra Mexico [Member] \| TransCanada [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage		60.00%		60.00%
Sempra Mexico [Member] \| Infraestructura Marina del Golfo [Member]
Schedule of Equity Method Investments [Line Items]
Investments made during period				$ 56
Sempra Renewables [Member]
Schedule of Equity Method Investments [Line Items]
Investments made during period				18	18
Sempra Natural Gas [Member] \| Cameron LNG [Member]
Schedule of Equity Method Investments [Line Items]
Investments made during period					10
Capitalized interest				$ 36	$ 36
Sempra Natural Gas [Member] \| Rockies Express [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage									25.00%	25.00%	25.00%
Investments made during period	$ 113