XML 103 R87.htm IDEA: XBRL DOCUMENT
v3.19.1

Indebtedness - Summary of Other Non-Recourse Debt (Details) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Non-recourse debt | $ 6,388,000,000 | $ 6,795,000,000
Unamortized debt issuance costs, net of premium, and issuance discount | 59,000,000 | 68,000,000
Participating Interest Financing |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 5,319,000,000 | 5,607,000,000
Trust 2017-2 |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 207,000,000 | 231,000,000
Trust 2018-1 |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 252,000,000 | 284,000,000
Trust 2018-2 |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 213,000,000 | 250,000,000
Trust 2018-3 |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 312,000,000 | 326,000,000
Legacy Asset |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 26,000,000 | 29,000,000
Other |  |
Debt Instrument [Line Items] |  |
Non-recourse debt | 6,329,000,000 | $ 6,727,000,000
Nonrecourse debt–legacy assets | Participating Interest Financing |  |
Debt Instrument [Line Items] |  |
Securitized Amount | 0 |
Nonrecourse debt–legacy assets | Trust 2017-2 |  |
Debt Instrument [Line Items] |  |
Securitized Amount | 263,000,000 |
Nonrecourse debt–legacy assets | Trust 2018-1 |  |
Debt Instrument [Line Items] |  |
Securitized Amount | 279,000,000 |
Nonrecourse debt–legacy assets | Trust 2018-2 |  |
Debt Instrument [Line Items] |  |
Securitized Amount | 226,000,000 |
Nonrecourse debt–legacy assets | Trust 2018-3 |  |
Debt Instrument [Line Items] |  |
Securitized Amount | 321,000,000 |
Nonrecourse debt–legacy assets | Legacy Asset |  |
Debt Instrument [Line Items] |  |
Securitized Amount | $ 101,000,000 |

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: 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 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of debt for which creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property. + References No definition available. + Details
Name: | us-gaap_NonRecourseDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=coop_A201801HECMSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=coop_A201802HECMSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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