Guarantor Obligations, Maximum Exposure, Percent Of Obligation

No definition available.

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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.

+ References

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

+ Details

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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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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.

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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COMMITMENTS AND CONTINGENCIES - Schedule of Guarantees and Indemnifications (Details) - USD ($)	Dec. 31, 2020	Dec. 01, 2020	Oct. 25, 2019
Guarantor Obligations [Line Items]
Fair value of guarantees	$ 500,000
North East Offshore LLC
Guarantor Obligations [Line Items]
Ownership interest		50.00%
Sunrise Wind LLC
Guarantor Obligations [Line Items]
Maximum Exposure			$ 15,400,000
Ownership interest			50.00%
North East Offshore LLC \| Construction-related Purchase Contracts with Third-Party Suppliers
Guarantor Obligations [Line Items]
Maximum Exposure	30,500,000
North East Offshore LLC \| Performance Guarantee
Guarantor Obligations [Line Items]
Maximum Exposure	$ 1,300,000,000
Percent of obligations guaranteed	50.00%
North East Offshore LLC \| Payment Guarantee
Guarantor Obligations [Line Items]
Maximum Exposure	$ 62,500,000
Percent of obligations guaranteed	50.00%
Eversource Investment LLC \| North East Offshore LLC
Guarantor Obligations [Line Items]
Ownership interest		50.00%
Eversource Investment LLC \| Funding and Indemnification Obligations
Guarantor Obligations [Line Items]
Maximum Exposure	$ 0
Eversource Investment LLC \| Funding and Indemnification Obligations \| North East Offshore LLC
Guarantor Obligations [Line Items]
Maximum Exposure	910,000,000
Sunrise Wind LLC \| OREC Capacity Production
Guarantor Obligations [Line Items]
Maximum Exposure	2,200,000
South Fork Wind, LLC \| Transmission Interconnection
Guarantor Obligations [Line Items]
Maximum Exposure	1,700,000
Bay State Wind LLC \| Real Estate Purchase
Guarantor Obligations [Line Items]
Maximum Exposure	2,500,000
Various \| Surety Bonds
Guarantor Obligations [Line Items]
Maximum Exposure	56,600,000
Rocky River Realty Company and Eversource Service \| Lease Payments for Real Estate
Guarantor Obligations [Line Items]
Maximum Exposure	$ 5,200,000