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Variable Interest Entities - HLVB Method of Accounting (Details) - Variable Interest Entity, Primary Beneficiary - Clean Energy Businesses - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
CED Nevada Virginia | Tax Equity Investors |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Income (loss) before tax | $ (6) | $ 74 | $ 36 | $ 127
Net income (loss) | (5) | 56 | 27 | 96
CED Nevada Virginia | Con Edison Development |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Income (loss) before tax | (7) | 74 | 32 | 127
Net income (loss) | (5) | 56 | 24 | 96
Tax Equity Projects | Tax Equity Investors |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Income (loss) before tax | 0 | 0 | (7) | 8
Net income (loss) | 0 | 0 | (5) | 6
Tax Equity Projects | Con Edison Development |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Income (loss) before tax | 16 | 14 | 44 | 27
Net income (loss) | $ 12 | $ 11 | $ 33 | $ 20

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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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