Dispositions (Details) $ in Millions	Mar. 31, 2021 USD ($)
Clean Energy Businesses \| Two Operating Projects Acquired In 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Carrying value of projects to be sold	$ 200

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.

No definition available.

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Balance Type:	na
Period Type:	duration