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Variable Interest Entities - HLVB Method of Accounting (Details) - Variable Interest Entity, Primary Beneficiary - Clean Energy Businesses $ in Millions | 3 Months Ended
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Mar. 31, 2022 USD ($)
CED Nevada Virginia | Tax Equity Investors |
Variable Interest Entity [Line Items] |
Income (loss) before tax | $ (42)
Net income (loss) | (32)
CED Nevada Virginia | Con Edison Development |
Variable Interest Entity [Line Items] |
Income (loss) before tax | 39
Net income (loss) | 30
Tax Equity Projects | Tax Equity Investors |
Variable Interest Entity [Line Items] |
Income (loss) before tax | (5)
Net income (loss) | (4)
Tax Equity Projects | Con Edison Development |
Variable Interest Entity [Line Items] |
Income (loss) before tax | 10
Net income (loss) | $ 7

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- Definition Description of the amount of pre-tax income (loss) derived by the reporting entity from the Variable Interest Entity (VIE). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph d -URI https://asc.fasb.org/extlink&oid=123419778&loc=d3e5747-111685 + Details
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