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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+ References

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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.

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-SubTopic 10
-Section 50
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COMMITMENTS AND CONTINGENCIES - Guarantees and Indemnifications (Details) - USD ($) $ in Millions	Jun. 30, 2020	Oct. 25, 2019
Sunrise Wind, LLC
Guarantor Obligations [Line Items]
Maximum exposure (up to)		$ 15.4
Ownership interest		50.00%
Surety Bond
Guarantor Obligations [Line Items]
Maximum exposure (up to)	$ 30.9
Lease Payments for Real Estate
Guarantor Obligations [Line Items]
Maximum exposure (up to)	5.9
Real Estate Purchase
Guarantor Obligations [Line Items]
Maximum exposure (up to)	2.5
Sunrise Wind, LLC - Offshore Wind
Guarantor Obligations [Line Items]
Maximum exposure (up to)	$ 2.2