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Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | $ 7,337 | $ 7,421 | $ 7,531
Real Estate Franchise Services |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 4,413 | 4,477 |
Company Owned Real Estate Brokerage Services |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 1,258 | 1,249 |
Relocation Services |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 1,029 | 1,081 |
Title and Settlement Services |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 486 | 416 |
Corporate and Other |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | $ 151 | $ 198 |

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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