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Mortgage Loans Held for Sale and Investment - Reconciliation to Cash Flow (Details) - USD ($) $ in Millions | 2 Months Ended | 7 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2018 | Jul. 31, 2018 | Sep. 30, 2019
Loans Receivable Held-for-sale, Net, Reconciliation to Cash Flow [Roll Forward] |  |  |
Balance - beginning of period | $ 1,514 |  | $ 1,631
Mortgage loans originated and purchased, net of fees | 3,459 |  | 28,199
Loans sold | (3,508) |  | (27,430)
Repurchase of loans out of Ginnie Mae securitizations | 223 |  | 1,823
Net transfers of mortgage loans held for sale from REO in other assets and transfer from mortgage loans held for investment | 4 |  | 15
Changes in fair value | (8) |  | 19
Other purchase-related activities | (1) |  | 10
Transfer of mortgage loans held for sale to advances/accounts receivable, net related to claims | (2) |  | 0
Balance - end of period | 1,681 | $ 1,514 | $ 4,267
Nationstar Mortgage Holdings Inc. |  |  |
Loans Receivable Held-for-sale, Net, Reconciliation to Cash Flow [Roll Forward] |  |  |
Balance - beginning of period | $ 1,514 | 1,891 |
Mortgage loans originated and purchased, net of fees |  | 12,319 |
Loans sold |  | (13,255) |
Repurchase of loans out of Ginnie Mae securitizations |  | 544 |
Net transfers of mortgage loans held for sale from REO in other assets and transfer from mortgage loans held for investment |  | 14 |
Changes in fair value |  | (1) |
Other purchase-related activities |  | 9 |
Transfer of mortgage loans held for sale to advances/accounts receivable, net related to claims |  | (7) |
Balance - end of period |  | $ 1,514 |

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- Definition Loans Receivable Held-for-sale, Reconciliation to Cash Flow, Changes in Fair Value + References No definition available. + Details
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- Definition Loans Receivable Held-for-sale, Reconciliation to Cash Flow, Transfer from Held-for-sale to Held For Investment or Other Assets + References No definition available. + Details
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- Definition Repurchase of Ginnie Mae Receivables + References No definition available. + Details
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- Definition The face amount of loans that will be sold to other entities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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- Definition Amount, after allowance for bad debt, of additions to loan receivables held-for-sale that are not part of a disposal group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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- Definition Amount, after allowance for bad debt, of deductions to loan receivables held-for-sale that are not part of a disposal group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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