Equity Method Investment, Energy Output

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- Definition

Equity Method Investment, Waste Processing Capacity

+ References

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- Definition

Equity Method Investment, Weight

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No definition available.

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- Definition

Equity Method Investments, Right To Invest

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- Definition

Proceeds from Divestiture of Interest in Consolidated Subsidiaries, Net of Restricted Cash

+ References

No definition available.

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- Definition

Amount of gain (loss) from remeasurement to fair value of retained investment in former subsidiary and group of assets constituting business or nonprofit activity deconsolidated and derecognized, excluding conveyance of oil and gas mineral rights and transfer of product or service in contract with customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (b)
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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Name Accounting Standards Codification
-Topic 230
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-Topic 360
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-Section 50
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- Definition

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
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-Publisher FASB
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- Definition

The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert significant influence.

+ References

No definition available.

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- Definition

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

+ References

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.

+ References

No definition available.

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NEW BUSINESS AND ASSET MANAGMENT (Details) £ in Millions		3 Months Ended	6 Months Ended	12 Months Ended
NEW BUSINESS AND ASSET MANAGMENT (Details) £ in Millions	Feb. 12, 2018 USD ($)	Jun. 30, 2019 USD ($) MWh T	Jun. 30, 2019 USD ($) MWh T	Dec. 31, 2018 USD ($)	Jun. 30, 2019 GBP (£) MWh T
Rookery South Energy Recovery Facility
Schedule of Equity Method Investments [Line Items]
Equity method investment, weight \| T		1,600	1,600		1,600
Equity method investment, energy output \| MWh		60	60		60
Equity method investment, percent		80.00%	80.00%		80.00%
Equity method investment		$ 44,000,000	$ 44,000,000		£ 34
Gain on sale of equity method investment			$ 57,000,000
Rookery South Energy Recovery Facility \| Veolia ES Limited
Schedule of Equity Method Investments [Line Items]
Equity method investment, percent		20.00%	20.00%		20.00%
Equity method investment, waste processing capacity		70.00%	70.00%		70.00%
Rookery South Energy Recovery Facility \| Green Investment Group Limited
Schedule of Equity Method Investments [Line Items]
Equity method investment, right to invest percent		40.00%	40.00%		40.00%
Covanta Green \| Green Investment Group Limited
Schedule of Equity Method Investments [Line Items]
Equity method investment, right to invest percent		50.00%	50.00%		50.00%
Dublin EfW Facility
Schedule of Equity Method Investments [Line Items]
Equity method investment, percent				50.00%
Equity method investment		$ 145,000,000	$ 145,000,000	$ 149,000,000
Sale of Stock, Percentage of Ownership before Transaction				100.00%
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates	$ 167,000,000
Proceeds from Divestiture of Interest in Consolidated Subsidiaries, Net of Restricted Cash	$ 98,000,000
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount				$ 204,000,000
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity				$ 0
Dublin EfW Facility \| Green Investment Group Limited
Schedule of Equity Method Investments [Line Items]
Equity method investment, percent				50.00%
Prepaid Expenses and Other Current Assets \| Rookery South Energy Recovery Facility
Schedule of Equity Method Investments [Line Items]
Equity method investment		22,000,000	22,000,000
Other Assets \| Covanta Green
Schedule of Equity Method Investments [Line Items]
Equity method investment		15,000,000	15,000,000
Pittsfield And Springfield EfW \| Disposal Group, Held-for-sale, Not Discontinued Operations
Schedule of Equity Method Investments [Line Items]
Loss on investment disposal		$ (3,000,000)	$ (12,000,000)