XML 68 R43.htm IDEA: XBRL DOCUMENT
v3.20.2

Advances and Other Receivables, Net - Schedule of Accounts Receivable (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | ---
Receivables [Abstract] |  |  |  |  |  |
Servicing advances, net of $92 and $131 purchase discount, respectively | $ 746 |  | $ 970 |  |  |
Receivables from agencies, investors and prior servicers, net of $21 and $21 purchase discount, respectively | 190 |  | 193 |  |  |
Reserves | (191) |  | (175) |  |  |
Total advances and other receivables, net | 745 |  | 988 |  |  |
Servicing advances discount | 92 | $ 117 | 131 | $ 148 | $ 156 | $ 205
Receivables discount | $ 21 | $ 21 | $ 21 | $ 48 | $ 48 | $ 48

X
- Definition Advances and Other Receivables, Net + References No definition available. + Details
Name: | nsm_AdvancesandOtherReceivablesNet
Namespace Prefix: | nsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Advances and Other Receivables, Reserves + References No definition available. + Details
Name: | nsm_AdvancesandOtherReceivablesReserves
Namespace Prefix: | nsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Government Sponsored Entity and Investor Receivable + References No definition available. + Details
Name: | nsm_GovernmentSponsoredEntityandInvestorReceivable
Namespace Prefix: | nsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Servicing Advances + References No definition available. + Details
Name: | nsm_ServicingAdvances
Namespace Prefix: | nsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Servicing Advances, Discount + References No definition available. + Details
Name: | nsm_ServicingAdvancesDiscount
Namespace Prefix: | nsm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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=119993939&loc=d3e28541-108399 + Details
Name: | us-gaap_ReceivableWithImputedInterestDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration