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Note 2. Summary of Significant Accounting Policies Investments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments | $ (51) | $ (74) |
Proceeds from investments in unconsolidated entities | 19 | 11 | $ 0
Income (Loss) from Equity Method Investments | 4 | (18) | (12)
Proceeds from Equity Method Investment, Distribution | 3 | 63 | 11
Payments to Acquire Equity Method Investments | 15 | 55 | 0
Company Owned Real Estate Brokerage Services | Gain from sale of PHHHL assets by Guaranteed Rate Affinity |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investments |  | (35) |
Company Owned Real Estate Brokerage Services | Exit Costs related to PHHHL |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments |  | 7 |
Company Owned Real Estate Brokerage Services | PHH Home Loans |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments |  | (6) |
Title and Settlement Services |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments |  | (4) |
Title and Settlement Services | Amortization of Intangible Assets related to GRA Acquisition |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments | $ 2 | (3) |
PHH Home Loans |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investment, Ownership Percentage | 49.90% |  |
Equity Method Investments | $ 0 | (19) |
PHH Home Loans | Company Owned Real Estate Brokerage Services |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income (Loss) from Equity Method Investments |  | (22) | $ (8)
Guaranteed Rate Affinity |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity Method Investment, Ownership Percentage | 49.90% |  |
Equity Method Investment, Unowned Percentage | 50.10% |  |
Equity Method Investments | $ (43) | (48) |
Payments to Acquire Equity Method Investments | $ 4 | $ 55 |

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