Shares Issued, Price Per Share, Net of Underwriting Discount

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- Definition

The maximum number of shares that could be issued to net share settle a contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that may be required to be issued, disclose the fact that a potentially infinite number of shares could be issued to settle the contract.

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- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

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- Definition

Number of new stock issued during the period.

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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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GENERAL INFORMATION AND OTHER FINANCIAL DATA - SHAREHOLDER'S EQUITY AND NONCONTROLLING INTEREST (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended
	May 07, 2019	Jul. 31, 2018	Jan. 31, 2018	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jul. 13, 2018	Jan. 09, 2018
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance				$ 0		$ 1,693
Proceeds from issuance				$ 11		$ 1,278
Public Offering [Member] \| Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issued		11,212,500	26,869,158
Shares issued (in usd per share)		$ 113.75	$ 107.00
Shares issued net of underwriting discount (in usd per share)		$ 111.87	$ 105.07
Proceeds from issuance			$ 1,270
Over-Allotment Option [Member] \| Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance		$ 164	$ 367
Settlement of Forward Sale Contracts [Member] \| Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance					$ 800
Sempra Energy [Member] \| Series A Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issued			17,250,000
Proceeds from issuance			$ 1,690
Liquidation price (in usd per share)								$ 100.00
Sempra Energy [Member] \| Series B Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issued		5,750,000
Proceeds from issuance		$ 565
Liquidation price (in usd per share)							$ 100.00
Subsequent Event [Member] \| Settlement of Forward Sale Contracts [Member] \| Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issuable under forward contracts	16,906,185