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Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions | Aug. 01, 2018 | Sep. 30, 2018
--- | --- | ---
Liabilities: |  |
Preliminary goodwill |  | $ 3
Nationstar Mortgage Holdings Inc. |  |
Assets: |  |
Cash and cash equivalent | $ 166 |
Restricted cash | 430 |
Mortgage servicing rights | 3,428 |
Advances and other receivables | 1,262 |
Reverse mortgage interests | 9,225 |
Mortgage loans held for sale | 1,514 |
Mortgage loans held for investment | 125 |
Property and equipment | 96 |
Derivative financial instruments | 64 |
Other assets | 548 |
Fair value of assets acquired | 16,858 |
Liabilities: |  |
Unsecured senior notes | 1,830 |
Advance facilities | 551 |
Warehouse facilities | 2,701 |
Payables and accrued liabilities | 1,365 |
MSR related liabilities—nonrecourse | 1,065 |
Mortgage servicing liabilities | 86 |
Derivative financial instruments | 3 |
Other nonrecourse debt | 7,583 |
Fair value of liabilities assumed | 15,184 |
Total fair value of net tangible assets acquired | 1,674 |
Intangible assets | 103 |
Preliminary goodwill | 0 |
Total | 1,777 |
Intangible assets acquired | $ 103 |
Customer relationships | Nationstar Mortgage Holdings Inc. |  |
Liabilities: |  |
Useful Life, Assets acquired | 6 years |
Intangible assets acquired | $ 61 |
Tradename | Nationstar Mortgage Holdings Inc. |  |
Liabilities: |  |
Useful Life, Assets acquired | 5 years |
Intangible assets acquired | $ 8 |
Technology | Nationstar Mortgage Holdings Inc. |  |
Liabilities: |  |
Intangible assets acquired | $ 11 |
Internally developed software | Nationstar Mortgage Holdings Inc. |  |
Liabilities: |  |
Useful Life, Assets acquired | 2 years |
Intangible assets acquired | $ 23 |
Minimum | Technology | Nationstar Mortgage Holdings Inc. |  |
Liabilities: |  |
Useful Life, Assets acquired | 3 years |
Maximum | Technology | Nationstar Mortgage Holdings Inc. |  |
Liabilities: |  |
Useful Life, Assets acquired | 5 years |

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