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Equity Method Investment, Summarized Financial Information, Net Income (Loss), Attributable To Controlling Interest

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Equity Method Investment, Summarized Financial Information, Net Income (Loss), Non-controlling Interest

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

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

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The amount of current assets reported by an equity method investment of the entity.

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The amount of current liabilities reported by an equity method investment of the entity.

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Amount of income (loss) from continuing operations reported by an equity method investee.

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Amount of equity attributable to noncontrolling interests of an equity method investment of the entity.

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The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of noncurrent assets reported by an equity method investment of the entity.

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The amount of noncurrent liabilities reported by an equity method investment of the entity.

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Amount of revenue from sale of product and rendering of service reported by equity method investee.

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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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INVESTMENTS IN UNCONSOLIDATED ENTITIES - SUMMARIZED FINANCIAL INFORMATION (Details) - USD ($) $ in Millions		10 Months Ended	12 Months Ended
	Nov. 15, 2017	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 13, 2018	Nov. 14, 2017
Other Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
Gross revenue			$ 798	$ 706	$ 833
Operating expense			(372)	(609)	(585)
Income from operations			426	97	248
Interest expense			(401)	(322)	(219)
Net income/earnings			85	(36)	$ 108
Current assets		$ 564	1,124	564
Noncurrent assets		14,558	15,039	14,558
Current liabilities		801	1,232	801
Noncurrent liabilities		9,966	11,438	9,966
Oncor Electric Delivery Holdings Company LLC [Member]
Schedule of Equity Method Investments [Line Items]
Gross revenue		3,347	4,347
Operating expense		(2,434)	(3,135)
Income from operations		913	1,212
Interest expense		(285)	(375)
Income tax expense		(119)	(131)
Net income/earnings		455	643
Noncontrolling interest held by TTI		(94)	(129)
Earnings attributable to Sempra Energy		360	514
Current assets		772	913	772
Noncurrent assets		21,980	26,012	21,980
Current liabilities		2,217	1,626	2,217
Noncurrent liabilities		11,756	14,125	11,756
Noncontrolling Interest held by TTI		$ 1,951	$ 2,473	$ 1,951
Sempra Renewables [Member] \| Broken Bow 2 Wind [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee						50.00%
IEnova [Member] \| Ductos Energéticos del Norte [Member] \| Sempra Mexico [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity method investee							50.00%
Ownership percentage before acquisition							50.00%
Acquired percentage interest	50.00%
Ownership percentage in consolidated entity	100.00%