Payables and Other Liabilities - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Loans subject to repurchase right from Ginnie Mae	$ 1,171	$ 560
Financial Asset, Equal to or Greater than 90 Days Past Due \| Payment Deferral
Business Acquisition [Line Items]
Loans subject to repurchase right from Ginnie Mae	$ 818

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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