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Contingencies and Commitments - Narrative (Details) $ in Millions | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2021 USD ($) | Apr. 01, 2021 lawsuit classAction | May 27, 2020 classAction numberOfCases | Apr. 08, 2020 subsidiary | May 02, 2019 lawsuit
Loss Contingencies [Line Items] |  |  |  |  |
Number of lawsuits | lawsuit |  |  |  |  | 2
Reserve funds | $ 629 |  |  |  |
Escrow deposit | 172 |  |  |  |
Number of subsidiaries | subsidiary |  |  |  | 2 |
Number of class actions | classAction |  |  | 2 |  |
Number of cases consolidated with a new lead plaintiff | numberOfCases |  |  | 3 |  |
Subsequent Event |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of lawsuits, COVID-19 | lawsuit |  | 70 |  |  |
Number of class actions, COVID-19 | classAction |  | 10 |  |  |
Prepaid expenses and other |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Escrow deposit | $ 142 |  |  |  |

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- Definition Loss Contingency, Number of Cases Consolidated With a New Lead Plaintiff + References No definition available. + Details
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- Definition Loss Contingency, Number of Class Actions + References No definition available. + Details
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- Definition Loss Contingency, Number of Class Actions, COVID-19 + References No definition available. + Details
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- Definition Loss Contingency, Number of Lawsuits, COVID-19 + References No definition available. + Details
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- Definition Loss Contingency, Reserve Funds + References No definition available. + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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