Equity Method Investment Long Lived Asset Impairment

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Equity Method Investment OTTI

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Equity Method Investment, Ownership Percentage Sold

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Equity Method Investment, Purchase Price Agreement

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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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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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Amount of gain (loss) on sale or disposal of an equity method investment.

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Amount of the entity's equity method investment which has been sold.

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Fair value portion of investments accounted under the equity method.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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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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Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity.

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The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity).

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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.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756

Reference 23: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(1))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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Investments In and Advances To Affiliates (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended		12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Mar. 31, 2021
Investments in and Advances to Affiliates [Line Items]
Revenue		$ 2,700	$ 2,217		$ 5,335	$ 4,555
Operating margin (loss)		728	524		1,392	1,031
Gain (Loss) on Disposition of Business		$ 64	(27)		$ 59	(27)
Equity Method Investment, Ownership Percentage		10.00%			10.00%
Income (Loss) from Equity Method Investments		$ (10)	8		$ (40)	6
Contributions and loans to equity affiliates					$ 173	178
Qatar Investment Authority
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage Sold		13.60%			13.60%
Qatar Investment Authority
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Purchase Price Agreement		$ 125
Majority Owned Affiliate [Member]
Investments in and Advances to Affiliates [Line Items]
Revenue					$ 1	1
Operating margin (loss)					(1)	(1)
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest					(2)	(2)
Minority Owned Affiliates [Member]
Investments in and Advances to Affiliates [Line Items]
Revenue					726	939
Operating margin (loss)					12	153
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest					(93)	11
OPGC [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investments, Fair Value Disclosure				$ 152
Equity Method Investment OTTI			$ 158	$ 43		$ 201
Equity Method Investment, Ownership Percentage			49.00%			49.00%
sPower [Member]
Investments in and Advances to Affiliates [Line Items]
Business Combination, Consideration Transferred					$ 104
Fluence [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage		43.20%			43.20%			50.00%
Equity Method Investment, Realized Gain (Loss) on Disposal (less than)		$ 61
Guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Purchase Price Agreement					$ 34
Equity Method Investment, Ownership Percentage								50.00%
Equity Method Investment Long Lived Asset Impairment							$ 127
Contributions and loans to equity affiliates		$ 10
Grupo Energía Gas Panamá
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Ownership Percentage		49.00%			49.00%
Payments to Acquire Equity Method Investments		$ 21
Subsequent Event [Member] \| Guacolda [Member]
Investments in and Advances to Affiliates [Line Items]
Equity Method Investment, Amount Sold	$ 24