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v3.19.2

Indebtedness - Notes Payable Summary (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |
Debt Outstanding | $ 567,000,000 | $ 595,000,000
Servicing Segment | Notes Payable, Other |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | 568,000,000 | 595,000,000
Debt Outstanding | 567,000,000 | 595,000,000
Collateral Pledged | 714,000,000 | 777,000,000
Servicing Segment | Notes Payable, Other | Nationstar mortgage advance receivable trust |  |
Debt Instrument [Line Items] |  |
Capacity Amount | 325,000,000 |
Debt outstanding, gross | 229,000,000 | 209,000,000
Collateral Pledged | $ 290,000,000 | 284,000,000
Servicing Segment | Notes Payable, Other | Nationstar mortgage advance receivable trust | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Servicing Segment | Notes Payable, Other | Nationstar mortgage advance receivable trust | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 6.50% |
Servicing Segment | Notes Payable, Other | Nationstar agency advance receivable trust |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 250,000,000 |
Debt outstanding, gross | 162,000,000 | 218,000,000
Collateral Pledged | $ 194,000,000 | 255,000,000
Servicing Segment | Notes Payable, Other | Nationstar agency advance receivable trust | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Servicing Segment | Notes Payable, Other | Nationstar agency advance receivable trust | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.60% |
Servicing Segment | Notes Payable, Other | MBS servicer advance facility (2014) |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 90,000,000 | 90,000,000
Collateral Pledged | $ 131,000,000 | 149,000,000
Servicing Segment | Notes Payable, Other | MBS servicer advance facility (2014) | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.50% |
Servicing Segment | Notes Payable, Other | Nationstar agency advance financing facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 125,000,000 |
Debt outstanding, gross | 87,000,000 | 78,000,000
Collateral Pledged | $ 99,000,000 | 89,000,000
Servicing Segment | Notes Payable, Other | Nationstar agency advance financing facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Servicing Segment | Notes Payable, Other | Nationstar agency advance financing facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 7.40% |
Servicing Segment | Advance facilities |  |
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs | $ (1,000,000) | 0
Originations Segment | Mortgage loans, net |  |
Debt Instrument [Line Items] |  |
Debt Outstanding | 3,204,000,000 | 1,528,000,000
Collateral Pledged | 3,319,000,000 | 1,628,000,000
Originations Segment | Reverse mortgage interests |  |
Debt Instrument [Line Items] |  |
Debt Outstanding | 652,000,000 | 722,000,000
Collateral Pledged | 754,000,000 | 838,000,000
Originations Segment | MSR |  |
Debt Instrument [Line Items] |  |
Debt Outstanding | 190,000,000 | 100,000,000
Collateral Pledged | 1,214,000,000 | 1,686,000,000
Originations Segment | Notes Payable to Banks |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | 3,856,000,000 | 2,250,000,000
Collateral Pledged | 4,073,000,000 | 2,466,000,000
Originations Segment | Notes Payable to Banks | $1,200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | 1,200,000,000 |
Debt outstanding, gross | 715,000,000 | 560,000,000
Collateral Pledged | $ 762,000,000 | 622,000,000
Originations Segment | Notes Payable to Banks | $1,200 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.70% |
Originations Segment | Notes Payable to Banks | $1,200 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 3.50% |
Originations Segment | Notes Payable to Banks | $1,000 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 1,000,000,000 |
Debt outstanding, gross | 629,000,000 | 137,000,000
Collateral Pledged | $ 646,000,000 | 140,000,000
Originations Segment | Notes Payable to Banks | $1,000 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.60% |
Originations Segment | Notes Payable to Banks | $1,000 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.50% |
Originations Segment | Notes Payable to Banks | $750 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 750,000,000 |
Debt outstanding, gross | 416,000,000 | 119,000,000
Collateral Pledged | $ 424,000,000 | 122,000,000
Originations Segment | Notes Payable to Banks | $750 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.40% |
Originations Segment | Notes Payable to Banks | $750 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.80% |
Originations Segment | Notes Payable to Banks | $800 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 800,000,000 |
Debt outstanding, gross | 531,000,000 | 464,000,000
Collateral Pledged | $ 576,000,000 | 514,000,000
Originations Segment | Notes Payable to Banks | $800 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Originations Segment | Notes Payable to Banks | $800 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.90% |
Originations Segment | Notes Payable to Banks | $600 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 600,000,000 |
Debt outstanding, gross | 226,000,000 | 151,000,000
Collateral Pledged | $ 258,000,000 | 168,000,000
Originations Segment | Notes Payable to Banks | $600 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.30% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 500,000,000 |
Debt outstanding, gross | 382,000,000 | 187,000,000
Collateral Pledged | $ 395,000,000 | 200,000,000
Originations Segment | Notes Payable to Banks | $500 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 3.00% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 500,000,000 |
Debt outstanding, gross | 377,000,000 | 220,000,000
Collateral Pledged | $ 410,000,000 | 248,000,000
Originations Segment | Notes Payable to Banks | $500 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.80% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 500,000,000 |
Debt outstanding, gross | 49,000,000 | 290,000,000
Collateral Pledged | $ 51,000,000 | 299,000,000
Originations Segment | Notes Payable to Banks | $500 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.00% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.30% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 194,000,000 | 0
Collateral Pledged | $ 187,000,000 | 0
Basis spread on rate | 1.00% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 107,000,000 | 0
Collateral Pledged | $ 103,000,000 | 0
Basis spread on rate | 1.50% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 104,000,000 | 0
Collateral Pledged | $ 103,000,000 | 0
Basis spread on rate | 1.50% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 88,000,000 | 103,000,000
Collateral Pledged | $ 116,000,000 | 132,000,000
Basis spread on rate | 2.00% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 32,000,000 | 18,000,000
Collateral Pledged | $ 33,000,000 | 19,000,000
Basis spread on rate | 1.20% |
Originations Segment | Notes Payable to Banks | $50 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 50,000,000 |
Debt outstanding, gross | 5,000,000 | 0
Collateral Pledged | $ 7,000,000 | 0
Originations Segment | Notes Payable to Banks | $50 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.70% |
Originations Segment | Notes Payable to Banks | $50 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 7.50% |
Originations Segment | Notes Payable to Banks | $40 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 40,000,000 |
Debt outstanding, gross | 1,000,000 | 1,000,000
Collateral Pledged | $ 2,000,000 | 2,000,000
Basis spread on rate | 3.00% |
Originations Segment | Mortgage servicing rights |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | $ 190,000,000 | 100,000,000
Collateral Pledged | 1,214,000,000 | 1,686,000,000
Originations Segment | Mortgage servicing rights | $400 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | 400,000,000 |
Debt outstanding, gross | 150,000,000 | 100,000,000
Collateral Pledged | $ 786,000,000 | 928,000,000
Originations Segment | Mortgage servicing rights | $400 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 3.50% |
Originations Segment | Mortgage servicing rights | $400 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 6.10% |
Originations Segment | Mortgage servicing rights | $400 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 400,000,000 |
Debt outstanding, gross | 25,000,000 | 0
Collateral Pledged | $ 215,000,000 | 226,000,000
Originations Segment | Mortgage servicing rights | $400 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.30% |
Originations Segment | Mortgage servicing rights | $150 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 150,000,000 |
Debt outstanding, gross | 0 | 0
Collateral Pledged | $ 121,000,000 | 430,000,000
Originations Segment | Mortgage servicing rights | $150 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.80% |
Originations Segment | Mortgage servicing rights | $50 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 50,000,000 |
Debt outstanding, gross | 15,000,000 | 0
Collateral Pledged | $ 92,000,000 | 102,000,000
Originations Segment | Mortgage servicing rights | $50 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.80% |
Originations Segment | Warehouse Facilities |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | $ 4,046,000,000 | 2,350,000,000
Unamortized debt issuance costs | (1,000,000) | (1,000,000)
Debt Outstanding | 4,045,000,000 | 2,349,000,000
Collateral Pledged | $ 5,287,000,000 | $ 4,152,000,000

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