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Advances and Other Receivables - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
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Receivables [Abstract] |  |  |  |  |  |
Servicing advances, net of $26 and $72 purchase discount, respectively | $ 856 |  | $ 975 |  |  |
Receivables from agencies, investors and prior servicers, net of $20 and $21 purchase discount, respectively | 172 |  | 173 |  |  |
Reserves | (191) |  | (208) |  |  |
Total advances and other receivables, net | 837 |  | 940 |  |  |
Servicing advances discount | 26 | $ 63 | 72 | $ 117 | $ 125 | $ 131
Receivables discount | $ 20 | $ 20 | $ 21 | $ 21 | $ 21 | $ 21

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- Definition Advances and Other Receivables, Reserves + References No definition available. + Details
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- Definition Servicing Advances + References No definition available. + Details
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- Definition Servicing Advances, Discount + References No definition available. + Details
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- Definition Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 + Details
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- References No definition available. + Details
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