Business Acquisition, Percent of Consideration Funded by Debt Issuance

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- Definition

Business Acquisition, Percent of Consideration Funded by Equity Issuance

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Business Combination, Termination Fee Receivable

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Equity Method Investment, Realized Gain (Loss) on Acquisition of Remaining Voting Rights

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Equity Method Investment, Realized Gain (Loss) on Acquisition of Remaining Voting Rights, Net of Tax

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Number of Directors on Board

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Number of Purchase Power Agreements

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Power Plant, Energy Generating Capacity

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Power Purchase Agreement, Term

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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No definition available.

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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.

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No definition available.

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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)
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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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- Definition

The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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ACQUISTION AND DIVESTITURE ACTIVITY - ACQUISITION ACTIVITY (Details) $ in Millions								1 Months Ended	3 Months Ended	9 Months Ended
	Oct. 06, 2017 USD ($)	Oct. 03, 2017 USD ($)	Aug. 21, 2017 USD ($) director	Jul. 10, 2017 USD ($) ppa MW	Dec. 14, 2016 MW	Sep. 26, 2016 USD ($)	Jul. 01, 2016 USD ($) MW	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 06, 2017 USD ($)	Sep. 25, 2016
Business Acquisition [Line Items]
Cash paid, net of cash and cash equivalents acquired										$ 0.0	$ (1,096.0)
Sempra Mexico [Member] \| IEnova [Member] \| Subsequent Event [Member] \| Ductos Energéticos del Norte [Member]
Business Acquisition [Line Items]
Ownership percentage in consolidated entity	100.00%
Sempra Mexico [Member] \| IEnova [Member] \| Subsequent Event [Member] \| Ductos Energéticos del Norte [Member] \| Ramones Norte Pipeline [Member]
Business Acquisition [Line Items]
Ownership percentage in consolidated entity	50.00%
GdC [Member] \| Sempra Mexico [Member] \| IEnova [Member]
Business Acquisition [Line Items]
Acquired percentage interest						50.00%
Cash paid, net of cash and cash equivalents acquired						$ 1,078.0
Cash and cash equivalents						66.0
Debt assumed						$ 364.0
Ownership percentage in consolidated entity						100.00%
Ownership percentage before acquisition													50.00%
Gain on acquisition of remaining voting rights								$ 617.0
Gain on acquisition of remaining voting rights, net of tax								$ 432.0
Cash consideration						$ 1,144.0
Ventika [Member] \| Sempra Mexico [Member] \| IEnova [Member]
Business Acquisition [Line Items]
Acquired percentage interest					100.00%
Generating capacity (in mw) \| MW					252
Great Valley Solar [Member] \| Sempra Renewables [Member]
Business Acquisition [Line Items]
Cash consideration				$ 124.0
Generating capacity (in mw) \| MW				200
Number of purchase power agreements \| ppa				4
Term of power purchase agreement				18 years
Huron County, Michigan [Member] \| Sempra Renewables [Member]
Business Acquisition [Line Items]
Ownership percentage in consolidated entity							100.00%
Cash consideration							$ 18.0		$ 4.0
Generating capacity (in mw) \| MW							100
Term of power purchase agreement							15 years
Consideration							$ 22.0
Energy Future Holdings Corp. [Member] \| Energy Future Holdings Corp. [Member]
Business Acquisition [Line Items]
Ownership percentage in consolidated entity			100.00%
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member]
Business Acquisition [Line Items]
Acquired percentage interest			80.03%
Energy Future Holdings Corp. [Member] \| Energy Future Holdings Corp. [Member] \| Energy Future Intermediate Holding Company LLC [Member]
Business Acquisition [Line Items]
Ownership percentage in consolidated entity			100.00%
Energy Future Holdings Corp. [Member] \| Energy Future Intermediate Holding Company LLC [Member] \| Oncor Holdings Electric Delivery Company LLC [Member]
Business Acquisition [Line Items]
Ownership percentage in consolidated entity			100.00%
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member]
Business Acquisition [Line Items]
Consideration			$ 9,450.0
Percent of consideration funded by equity issuance			65.00%
Percent of consideration funded by debt issuance			35.00%
Transaction costs incurred										$ 23.0
Number of directors on board \| director			13
Termination fee receivable upon termination of merger												$ 190.0
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member] \| Subsequent Event [Member]
Business Acquisition [Line Items]
Credit facilities obtained		$ 4,000.0
Equity interests issuable		$ 25.9
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member] \| Independent Director [Member]
Business Acquisition [Line Items]
Number of directors on board \| director			7
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member] \| Director Appointed by Related Party [Member] \| Energy Future Intermediate Holding Company LLC [Member]
Business Acquisition [Line Items]
Number of directors on board \| director			2
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member] \| Director Appointed by Related Party [Member] \| Texas Transmission Investment LLC [Member]
Business Acquisition [Line Items]
Number of directors on board \| director			2
Energy Future Holdings Corp. [Member] \| Oncor Electric Delivery Company LLC. [Member] \| Management [Member]
Business Acquisition [Line Items]
Number of directors on board \| director			2
Energy Future Holdings Corp. [Member] \| Texas Transmission Investment LLC [Member] \| Oncor Electric Delivery Company LLC. [Member]
Business Acquisition [Line Items]
Ownership percentage held by noncontrolling owners			19.75%
Energy Future Holdings Corp. [Member] \| Current and Former Directors and Officers of Oncor [Member] \| Oncor Electric Delivery Company LLC. [Member]
Business Acquisition [Line Items]
Ownership percentage held by noncontrolling owners			0.22%
Ductos Energéticos del Norte [Member] \| Sempra Mexico [Member] \| IEnova [Member] \| Subsequent Event [Member]
Business Acquisition [Line Items]
Acquired percentage interest	50.00%
Debt assumed	$ 81.0
Ownership percentage before acquisition	50.00%
Consideration	$ 231.0
Ductos Energéticos del Norte [Member] \| Sempra Mexico [Member] \| IEnova [Member] \| Subsequent Event [Member] \| Ramones Norte Pipeline [Member]
Business Acquisition [Line Items]
Ownership percentage before acquisition	25.00%