XML 43 R90.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Restructuring Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  | $ 13 | $ 11 | $ 9 | $ 9 | $ 11 | $ 9 | $ 5 | $ 22 | $ 42 | [1],[2] | $ 47 | [1],[2] | $ 12 | [1],[2]
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Impairment Loss | [3] |  |  |  |  |  |  |  |  | 12 |  |  |  |  |
Realogy Franchise Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 2 |  | 3 |  | 1 |
Realogy Brokerage Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 25 |  | 37 |  | 9 |
Realogy Title Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 3 |  | 4 |  | 1 |
Realogy Leads Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Corporate and Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 10 |  | 3 |  | 1 |
Leadership Realignment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 |  |  |  |  | 17 |  |  |  |  | 17 |  |  |  |  |
Increase (Decrease) in Restructuring Reserve |  |  |  |  |  |  |  |  |  | (12) |  |  |  |  |
Balance at December 31, 2019 |  |  |  |  |  | 17 |  |  |  |  |  | 17 |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount remaining to be incurred |  | 5 |  |  |  |  |  |  |  | 5 |  |  |  |  |
Amount reclassified from Restructure against the Lease Asset upon Adoption of ASC 842 |  |  |  |  |  |  |  |  |  | (3) |  |  |  |  |
Operational Efficiencies Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 |  |  |  |  | 0 |  |  |  |  | 0 |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 38 |  |  |  |  |
Increase (Decrease) in Restructuring Reserve |  |  |  |  |  |  |  |  |  | (27) |  |  |  |  |
Balance at December 31, 2019 |  | 11 |  |  |  | 0 |  |  |  | 11 |  | 0 |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 71 |  |  |  |  |  |  |  | 71 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 38 |  |  |  |  |  |  |  | 38 |  |  |  |  |
Total amount remaining to be incurred |  | 33 |  |  |  |  |  |  |  | 33 |  |  |  |  |
Operational Efficiencies Program | Realogy Franchise Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 3 |  |  |  |  |  |  |  | 3 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |  |
Total amount remaining to be incurred |  | 1 |  |  |  |  |  |  |  | 1 |  |  |  |  |
Operational Efficiencies Program | Realogy Brokerage Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 54 |  |  |  |  |  |  |  | 54 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 25 |  |  |  |  |  |  |  | 25 |  |  |  |  |
Total amount remaining to be incurred |  | 29 |  |  |  |  |  |  |  | 29 |  |  |  |  |
Operational Efficiencies Program | Realogy Title Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |  |
Total amount remaining to be incurred |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  |  |
Operational Efficiencies Program | Realogy Leads Group |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |  |
Total amount remaining to be incurred |  | 0 |  |  |  |  |  |  |  | 0 |  |  |  |  |
Operational Efficiencies Program | Corporate and Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 10 |  |  |  |  |  |  |  | 10 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 7 |  |  |  |  |  |  |  | 7 |  |  |  |  |
Total amount remaining to be incurred |  | 3 |  |  |  |  |  |  |  | 3 |  |  |  |  |
Other Restructuring Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |
Personnel-related costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net | [4] |  |  |  |  |  |  |  |  | 24 |  | 17 |  | 7 |
Personnel-related costs | Leadership Realignment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Personnel-related costs | Operational Efficiencies Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 |  |  |  |  | 0 |  |  |  |  | 0 |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 21 |  |  |  |  |
Increase (Decrease) in Restructuring Reserve |  |  |  |  |  |  |  |  |  | (15) |  |  |  |  |
Balance at December 31, 2019 |  | 6 |  |  |  | 0 |  |  |  | 6 |  | 0 |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 24 |  |  |  |  |  |  |  | 24 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 21 |  |  |  |  |  |  |  | 21 |  |  |  |  |
Total amount remaining to be incurred |  | 3 |  |  |  |  |  |  |  | 3 |  |  |  |  |
Facility-related costs (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net | [5] |  |  |  |  |  |  |  |  | 17 |  | 20 |  | 4 |
Facility-related costs (1) | Operational Efficiencies Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 | [6] |  |  |  | 0 |  |  |  |  | 0 |  |  |  |  |
Restructuring costs, net | [6] |  |  |  |  |  |  |  |  | 16 |  |  |  |  |
Increase (Decrease) in Restructuring Reserve | [6] |  |  |  |  |  |  |  |  | (11) |  |  |  |  |
Balance at December 31, 2019 | [6] | 5 |  |  |  | 0 |  |  |  | 5 |  | 0 |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred | [7] | 46 |  |  |  |  |  |  |  | 46 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date | [7] | 16 |  |  |  |  |  |  |  | 16 |  |  |  |  |
Total amount remaining to be incurred | [7] | 30 |  |  |  |  |  |  |  | 30 |  |  |  |  |
Internal Use Software Impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net | [8] |  |  |  |  |  |  |  |  | 0 |  | 10 |  | 0 |
Other Restructuring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring costs, net | [9] |  |  |  |  |  |  |  |  | 1 |  | 0 |  | $ 1 |
Other Restructuring | Operational Efficiencies Program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2018 |  |  |  |  | $ 0 |  |  |  |  | 0 |  |  |  |  |
Restructuring costs, net |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Increase (Decrease) in Restructuring Reserve |  |  |  |  |  |  |  |  |  | (1) |  |  |  |  |
Balance at December 31, 2019 |  | 0 |  |  |  | $ 0 |  |  |  | 0 |  | $ 0 |  |  |
Restructuring and Related Cost, Expected Cost [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be incurred |  | 1 |  |  |  |  |  |  |  | 1 |  |  |  |  |
Restructuring and Related Cost, Cost Incurred to Date |  | 1 |  |  |  |  |  |  |  | 1 |  |  |  |  |
Total amount remaining to be incurred |  | $ 0 |  |  |  |  |  |  |  | $ 0 |  |  |  |  |
[1] | The year ended December 31, 2019 includes $38 million of expense related to the Facility and Operational Efficiencies Program and $4 million of expense related to prior restructuring programs. The years ended December 31, 2018 and December 31, 2017 relate to prior restructuring programs.
[2] | The year ended December 31, 2019 includes restructuring charges of $2 million at Realogy Franchise Group, $25 million at Realogy Brokerage Group, $3 million at Realogy Title Group, $2 million at Realogy Leads Group and $10 million at Corporate and Other. The year ended December 31, 2018 includes restructuring charges of $3 million at Realogy Franchise Group, $37 million at Realogy Brokerage Group, $4 million at Realogy Title Group and $3 million at Corporate and Other. The year ended December 31, 2017 includes restructuring charges of $1 million at Realogy Franchise Group, $9 million at Realogy Brokerage Group, $1 million at Realogy Title Group and $1 million at Corporate and Other.
[3] | Impairment charges relate to the exit and sublease of certain real estate operating leases
[4] | Personnel-related costs consist of severance costs provided to employees who have been terminated and duplicate payroll costs during transition.
[5] | Facility-related costs consist of costs associated with planned facility closures such as contract termination costs, amortization of lease assets that will continue to be incurred under the contract for its remaining term without economic benefit to the Company, accelerated depreciation on asset disposals and other facility and employee relocation related costs.
[6] | Facility-related costs includes lease asset impairments expected to be incurred under the Facility and Operational Efficiencies Program.
[7] | In addition, the Company incurred an additional $12 million related to lease asset impairments in connection with the Facility and Operational Efficiencies Program during the year ended December 31, 2019.
[8] | Internal use software impairment relates to development costs capitalized for a project that was determined to not meet the Company's strategic goals when analyzed by the Company's new leadership team.
[9] | Other restructuring costs consist of costs related to professional fees, consulting fees and other costs associated with restructuring activities which are primarily included in the Corporate and Other business segment.

X
- Definition Amount reclassified from restructure reserve against the lease asset upon Adoption of ASC 842 + References No definition available. + Details
Name: | rlgy_AmountreclassifiedfromRestructureagainsttheLeaseAssetuponAdoptionofASC842
Namespace Prefix: | rlgy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the period in the carrying amount (including both current and noncurrent portions of the accrual) of the liability pertaining to the exit from or disposal of business activities or restructuring pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination and to asset retirement obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInRestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888369&loc=SL77918431-209957 + Details
Name: | us-gaap_OperatingLeaseImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCost1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_RestructuringReserveRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rlgy_RealogyFranchiseGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rlgy_RealogyBrokerageGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rlgy_RealogyTitleGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rlgy_RealogyLeadsGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=rlgy_LeadershipRealignmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=rlgy_OperationalEfficienciesProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=rlgy_OtherRestructuringProgramsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=rlgy_PersonnelRelatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=rlgy_FacilityRelatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=rlgy_InternalUseSoftwareImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |