XML 69 R53.htm IDEA: XBRL DOCUMENT
v3.19.1

Mortgage Servicing Rights ("MSRs") and Related Liabilities - MSRs and Related Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Feb. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Mortgage Servicing Rights [Line Items] |  |  |
Mortgage servicing rights at fair value | $ 3,481 |  | $ 3,665
Mortgage servicing rights - fair value and amortized cost | 3,488 |  | 3,676
Mortgage servicing liabilities - amortized cost | 90 |  | 71
Excess spread financing - fair value | 1,309 |  | 1,184
Mortgage servicing rights financing - fair value | 34 |  | 32
MSR related liabilities - nonrecourse at fair value | 1,343 |  | 1,216
Mortgage servicing rights |  |  |
Mortgage Servicing Rights [Line Items] |  |  |
Mortgage servicing rights at fair value | 3,481 |  | 3,665
Mortgage servicing right at amortized cost | 7 |  | 11
Mortgage servicing rights - fair value and amortized cost | 3,488 |  | 3,676
Mortgage servicing liabilities - amortized cost | $ 90 |  | $ 71
Pacific Union |  |  |
Mortgage Servicing Rights [Line Items] |  |  |
Mortgage servicing rights |  | $ 271 |

X
- Definition Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Mortgage Servicing Rights + References No definition available. + Details
Name: | coop_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedMortgageServicingRights
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Excess Spread Financing, Fair Value Disclosure + References No definition available. + Details
Name: | coop_ExcessSpreadFinancingFairValueDisclosure
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Mortgage Servicing Rights Liability Resulting from Sale or Securitization of Servicer Advances, Rights not Accounted for as a Sale + References No definition available. + Details
Name: | coop_MortgageServicingRightsLiabilityResultingfromSaleofServicerAdvancesRightsnotAccountedforasaSale
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Mortgage Servicing Rights [Line Items] + References No definition available. + Details
Name: | coop_MortgageServicingRightsLineItems
Namespace Prefix: | coop_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage Serving Rights Liability, carried at fair value + References No definition available. + Details
Name: | coop_MortgageServingRightsLiabilitycarriedatfairvalue
Namespace Prefix: | coop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
Name: | us-gaap_ServicingAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7524895&loc=d3e120260-111741 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 + Details
Name: | us-gaap_ServicingAssetAtAmortizedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
Name: | us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized amount of contract to service financial assets under which estimated future revenues from contractually specified servicing fees, late charges, and other ancillary revenue are not expected to adequately compensate the servicer for performing the servicing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + Details
Name: | us-gaap_ServicingLiabilityAtAmortizedValueBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=coop_PacificUnionFinancialLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |