XML 80 R63.htm IDEA: XBRL DOCUMENT
v3.19.2

Reverse Mortgage Interests, Net - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Mar. 31, 2019 | Dec. 31, 2018 | Aug. 01, 2018 | Mar. 31, 2018 | Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Purchase discount |  | $ 84 |  | $ 84 |  |  |  | $ 90 | $ 89
Unsecuritized HECM |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Interest earned on HECM loans | $ 85 | 118 | $ 167 | 237 |  |  |  |  |
Participating Interests in HMBS |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB securitized | 149 | 174 | 149 | 174 |  |  |  |  |
GNMA |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB securitized | 61 |  | 61 |  |  |  |  |  |
Trust 2019-1 |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB securitized | 398 |  | 398 |  |  |  |  |  |
Trust 2017-2 |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB securitized | 249 |  | 249 |  |  |  |  |  |
Trust 2018-3 |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB sold |  |  | 20 |  |  |  |  |  |
Trust 2018-1 and Trust 2018-2 |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB securitized |  | 443 |  | 443 |  |  |  |  |
Trust 2016-2 and Trust 2016-3 |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
UPB securitized |  | $ 284 |  | 284 |  |  |  |  |
Reverse Mortgage Interests, Unsecuritized | HECM |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of HECM loans |  |  | 1,457 | 2,109 |  |  |  |  |
Repurchase of HECM loans funded by prior servicer |  |  | 371 | $ 444 |  |  |  |  |
Other Interest Securitized and Unsecuritized Interests |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Purchase discount |  |  |  |  |  |  | $ 298 |  |
Receivables From Prior Servicers, Reverse Mortgage Interests |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Account receivables | 13 |  | 13 |  |  | $ 18 |  |  |
Mortgage-backed debt |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Debt premium | 18 |  | 18 |  |  | 58 |  |  |
Mortgage-backed debt | Participating Interests in HMBS |  |  |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |  |
Debt premium | $ 18 |  | $ 18 |  | $ 36 | $ 58 | $ 42 |  |

X
- Definition Reverse Mortgage Interest, Unpaid Principal Balance, Purchase Discount + References No definition available. + Details
Name: | coop_ReverseMortgageInterestUnpaidPrincipalBalancePurchaseDiscount
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reverse Mortgage Interest, Unpaid Principal Balance, Securitized + References No definition available. + Details
Name: | coop_ReverseMortgageInterestUnpaidPrincipalBalanceSecuritized
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reverse Mortgage Interest, Unpaid Principal Balance, Sold + References No definition available. + Details
Name: | coop_ReverseMortgageInterestUnpaidPrincipalBalanceSold
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reverse Mortgage Interest, Unsecuritized, Repurchase of Home Equity Conversion Mortgages + References No definition available. + Details
Name: | coop_ReverseMortgageInterestUnsecuritizedRepurchaseofHomeEquityConversionMortgages
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reverse Mortgage Interest, Unsecuritized, Repurchase of Home Equity Conversion Mortgages Funded by Prior Servicer + References No definition available. + Details
Name: | coop_ReverseMortgageInterestUnsecuritizedRepurchaseofHomeEquityConversionMortgagesFundedbyPriorServicer
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_AccountsReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt premium. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 2: 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=114775744&loc=d3e28541-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Interest and fee income from mortgage loans considered to be held-for-sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 + Details
Name: | us-gaap_InterestAndFeeIncomeLoansHeldForSaleMortgages
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=coop_UnsecuritizedHECMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_ParticipatingInterestsinHMBSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_GovernmentNationalMortgageAssociationGnmaInsuredLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_A201901HECMSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_A201702HECMSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_A201803HECMSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_Trust20181andTrust20182Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_Trust20162andTrust20163Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_ReverseMortgageInterestsUnsecuritizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=coop_HECMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=coop_OtherInterestSecuritizedAndUnsecuritizedInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=coop_ReceivablesFromPriorServicersReverseMortgageInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |