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v3.19.3

Indebtedness - Notes Payable Summary (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |
Debt Outstanding | $ 513,000,000 | $ 595,000,000
Servicing Segment | Notes Payable, Other |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | 513,000,000 | 595,000,000
Debt Outstanding | 513,000,000 | 595,000,000
Collateral Pledged | 676,000,000 | 777,000,000
Servicing Segment | Notes Payable, Other | $325 advance facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | 325,000,000 |
Debt outstanding, gross | 233,000,000 | 209,000,000
Collateral Pledged | $ 294,000,000 | 284,000,000
Servicing Segment | Notes Payable, Other | $325 advance facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Servicing Segment | Notes Payable, Other | $325 advance facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 6.50% |
Servicing Segment | Notes Payable, Other | $250 advance facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 250,000,000 |
Debt outstanding, gross | 142,000,000 | 218,000,000
Collateral Pledged | $ 173,000,000 | 255,000,000
Servicing Segment | Notes Payable, Other | $250 advance facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Servicing Segment | Notes Payable, Other | $250 advance facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.60% |
Servicing Segment | Notes Payable, Other | $200 advance facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 64,000,000 | 90,000,000
Collateral Pledged | $ 125,000,000 | 149,000,000
Servicing Segment | Notes Payable, Other | $200 advance facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.50% |
Servicing Segment | Notes Payable, Other | $125 advance facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 125,000,000 |
Debt outstanding, gross | 74,000,000 | 78,000,000
Collateral Pledged | $ 84,000,000 | 89,000,000
Servicing Segment | Notes Payable, Other | $125 advance facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Servicing Segment | Notes Payable, Other | $125 advance 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 | $ 0 | 0
Originations Segment | Mortgage loans, net |  |
Debt Instrument [Line Items] |  |
Debt Outstanding | 3,980,000,000 | 1,528,000,000
Collateral Pledged | 4,119,000,000 | 1,628,000,000
Originations Segment | Reverse mortgage interests |  |
Debt Instrument [Line Items] |  |
Debt Outstanding | 663,000,000 | 722,000,000
Collateral Pledged | 773,000,000 | 838,000,000
Originations Segment | MSR |  |
Debt Instrument [Line Items] |  |
Debt Outstanding | 160,000,000 | 100,000,000
Collateral Pledged | 1,237,000,000 | 1,686,000,000
Originations Segment | Notes Payable to Banks |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | 4,643,000,000 | 2,250,000,000
Collateral Pledged | 4,892,000,000 | 2,466,000,000
Originations Segment | Notes Payable to Banks | $1,500 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | 1,500,000,000 |
Debt outstanding, gross | 970,000,000 | 0
Collateral Pledged | $ 938,000,000 | 0
Originations Segment | Notes Payable to Banks | $1,500 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.00% |
Originations Segment | Notes Payable to Banks | $1,200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 1,200,000,000 |
Debt outstanding, gross | 734,000,000 | 560,000,000
Collateral Pledged | $ 779,000,000 | 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 | 521,000,000 | 137,000,000
Collateral Pledged | $ 536,000,000 | 140,000,000
Originations Segment | Notes Payable to Banks | $1,000 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.40% |
Originations Segment | Notes Payable to Banks | $1,000 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.30% |
Originations Segment | Notes Payable to Banks | $800 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 800,000,000 |
Debt outstanding, gross | 586,000,000 | 464,000,000
Collateral Pledged | $ 643,000,000 | 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 | $750 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 750,000,000 |
Debt outstanding, gross | 511,000,000 | 119,000,000
Collateral Pledged | $ 524,000,000 | 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 | $600 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 600,000,000 |
Debt outstanding, gross | 214,000,000 | 151,000,000
Collateral Pledged | $ 251,000,000 | 168,000,000
Originations Segment | Notes Payable to Banks | $600 warehouse facility | LIBOR | Minimum |  |
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 | 405,000,000 | 220,000,000
Collateral Pledged | $ 474,000,000 | 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 | 3.00% |
Originations Segment | Notes Payable to Banks | $500 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 500,000,000 |
Debt outstanding, gross | 391,000,000 | 187,000,000
Collateral Pledged | $ 400,000,000 | 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 | 2.80% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 91,000,000 | 0
Collateral Pledged | $ 92,000,000 | 0
Originations Segment | Notes Payable to Banks | $200 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
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 | 91,000,000 | 18,000,000
Collateral Pledged | $ 94,000,000 | 19,000,000
Originations Segment | Notes Payable to Banks | $200 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.20% |
Originations Segment | Notes Payable to Banks | $200 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 200,000,000 |
Debt outstanding, gross | 67,000,000 | 103,000,000
Collateral Pledged | $ 94,000,000 | 132,000,000
Originations Segment | Notes Payable to Banks | $200 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
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 | 21,000,000 | 0
Collateral Pledged | $ 21,000,000 | 0
Originations Segment | Notes Payable to Banks | $200 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 1.50% |
Originations Segment | Notes Payable to Banks | $50 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 50,000,000 |
Debt outstanding, gross | 13,000,000 | 0
Collateral Pledged | $ 16,000,000 | 0
Originations Segment | Notes Payable to Banks | $50 warehouse facility | LIBOR | Minimum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 2.00% |
Originations Segment | Notes Payable to Banks | $50 warehouse facility | LIBOR | Maximum |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 6.00% |
Originations Segment | Notes Payable to Banks | $40 warehouse facility |  |
Debt Instrument [Line Items] |  |
Capacity Amount | $ 40,000,000 |
Debt outstanding, gross | 27,000,000 | 0
Collateral Pledged | $ 28,000,000 | 0
Originations Segment | Notes Payable to Banks | $40 warehouse facility | LIBOR |  |
Debt Instrument [Line Items] |  |
Basis spread on rate | 3.30% |
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
Originations Segment | Notes Payable to Banks | $40 warehouse facility | LIBOR |  |
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 | $ 0 |
Debt outstanding, gross | 0 | 290,000,000
Collateral Pledged | $ 0 | 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 | Mortgage servicing rights |  |
Debt Instrument [Line Items] |  |
Debt outstanding, gross | $ 160,000,000 | 100,000,000
Collateral Pledged | 1,237,000,000 | 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 | $ 839,000,000 | 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 | 0 | 0
Collateral Pledged | $ 193,000,000 | 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 | 10,000,000 | 0
Collateral Pledged | $ 84,000,000 | 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 | $ 4,803,000,000 | 2,350,000,000
Unamortized debt issuance costs | (1,000,000) | (1,000,000)
Debt Outstanding | 4,802,000,000 | 2,349,000,000
Collateral Pledged | $ 6,129,000,000 | $ 4,152,000,000

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