Fundies.
English

Segment disclosures

Company overview

ZILLOW GROUP, INC.

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

101 dimension combinations 750 retained observations 30 reported periods Partial retained history

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Operating Segments · Homes Revenue · Homes Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:HomesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-313718000000 USD20220505Open filing evidence
2021-07-01 – 2021-09-301172693000 USD20211102Open filing evidence
2021-01-01 – 2021-09-302645697000 USD20211102Open filing evidence
2021-01-01 – 2021-03-31701000000 USD20220505Open filing evidence
2020-07-01 – 2020-09-30185904000 USD20211102Open filing evidence
2020-01-01 – 2020-09-301408832000 USD20211102Open filing evidence

Operating Segments · Homes Revenue · Mortgages Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:HomesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Mortgages Revenue · Homes Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Mortgages Revenue · Internet Media Technology

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20220210Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20220210Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Operating Segments · Mortgages Revenue · Mortgages Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-3146000000 USD20220505Open filing evidence
2021-07-01 – 2021-09-3070290000 USD20211102Open filing evidence
2021-01-01 – 2021-09-30194995000 USD20211102Open filing evidence
2021-01-01 – 2021-03-3168000000 USD20220505Open filing evidence
2020-07-01 – 2020-09-3054198000 USD20211102Open filing evidence
2020-01-01 – 2020-09-30113241000 USD20211102Open filing evidence

Operating Segments · Other Real Estate · Homes Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2021-07-01 – 2021-09-3013465000 USD20211102Open filing evidence
2021-01-01 – 2021-09-3021758000 USD20211102Open filing evidence
2020-07-01 – 2020-09-301201000 USD20211102Open filing evidence
2020-01-01 – 2020-09-302398000 USD20211102Open filing evidence

Operating Segments · Other Real Estate · Internet Media Technology

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3071000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-30137000000 USD20220804Open filing evidence
2021-07-01 – 2021-09-30121343000 USD20211102Open filing evidence
2021-01-01 – 2021-09-30360689000 USD20211102Open filing evidence
2021-04-01 – 2021-06-3054000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-30102000000 USD20220804Open filing evidence
2020-07-01 – 2020-09-30116716000 USD20211102Open filing evidence
2020-01-01 – 2020-09-30293653000 USD20211102Open filing evidence

Operating Segments · Other Real Estate · Mortgages Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Premier Agent · Homes Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:PremierAgentMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Rentals · Homes Segment

Consolidation Items · Product Or Service · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:RentalsMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence

Operating Segments · Homes Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-313721000000 USD20220505Open filing evidence
2021-07-01 – 2021-09-301186158000 USD20211102Open filing evidence
2021-01-01 – 2021-09-302667455000 USD20211102Open filing evidence
2021-01-01 – 2021-03-31704000000 USD20220505Open filing evidence
2020-07-01 – 2020-09-30187105000 USD20211102Open filing evidence
2020-01-01 – 2020-09-301411230000 USD20211102Open filing evidence

Operating Segments · Internet Media Technology

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30475000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-30965000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-311885782000 USD20220210Open filing evidence
2021-07-01 – 2021-09-30480195000 USD20211102Open filing evidence
2021-01-01 – 2021-09-301402613000 USD20211102Open filing evidence
2021-04-01 – 2021-06-30476000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-30922000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-311450232000 USD20220210Open filing evidence
2020-07-01 – 2020-09-30415389000 USD20211102Open filing evidence
2020-01-01 – 2020-09-301026394000 USD20211102Open filing evidence
2019-01-01 – 2019-12-311276896000 USD20220210Open filing evidence

Operating Segments · Internet Media Technology · Homes Revenue

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Internet Media Technology · Mortgages Revenue

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Internet Media Technology · Premier Agent

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2021-07-01 – 2021-09-30358852000 USD20211102Open filing evidence
2021-01-01 – 2021-09-301041924000 USD20211102Open filing evidence
2020-07-01 – 2020-09-30298673000 USD20211102Open filing evidence
2020-01-01 – 2020-09-30732741000 USD20211102Open filing evidence

Operating Segments · Mortgages Segment

Consolidation Items · Statement Business Segments

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-3146000000 USD20220505Open filing evidence
2021-07-01 – 2021-09-3070290000 USD20211102Open filing evidence
2021-01-01 – 2021-09-30194995000 USD20211102Open filing evidence
2021-01-01 – 2021-03-3168000000 USD20220505Open filing evidence
2020-07-01 – 2020-09-3054198000 USD20211102Open filing evidence
2020-01-01 – 2020-09-30113241000 USD20211102Open filing evidence

Operating Segments · Mortgages Segment · Homes Revenue

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence

Operating Segments · Mortgages Segment · Premier Agent

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-07-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-09-300 USD20211102Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence
2020-07-01 – 2020-09-300 USD20211102Open filing evidence
2020-01-01 – 2020-09-300 USD20211102Open filing evidence

Operating Segments · Mortgages Segment · Rentals

Consolidation Items · Statement Business Segments · Product Or Service

Source dimensions srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:RentalsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence

Homes Revenue · Operating Segments · Internet Media Technology

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:HomesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20220210Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20220210Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Homes Revenue · Homes

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:HomesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-30185904000 USD20201105Open filing evidence
2020-01-01 – 2020-09-301408832000 USD20201105Open filing evidence
2020-01-01 – 2020-03-31769112000 USD20200507Open filing evidence
2019-07-01 – 2019-09-30384626000 USD20201105Open filing evidence
2019-01-01 – 2019-09-30762022000 USD20201105Open filing evidence
2019-04-01 – 2019-06-30248924000 USD20190807Open filing evidence
2019-01-01 – 2019-06-30377396000 USD20190807Open filing evidence
2019-01-01 – 2019-03-31128472000 USD20200507Open filing evidence
2018-01-01 – 2018-12-3152365000 USD20190221Open filing evidence
2018-07-01 – 2018-09-3011018000 USD20191107Open filing evidence
2018-01-01 – 2018-09-3011018000 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Homes Revenue · Homes Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:HomesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-30772030000 USD20210805Open filing evidence
2021-01-01 – 2021-06-301473004000 USD20210805Open filing evidence
2020-04-01 – 2020-06-30453816000 USD20210805Open filing evidence
2020-01-01 – 2020-06-301222928000 USD20210805Open filing evidence

Homes Revenue · Internet Media Technology

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:HomesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-03-310 USD20200507Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence
2018-01-01 – 2018-12-310 USD20190221Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Homes Revenue · Mortgages Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:HomesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2019-07-01 – 2019-09-300 USD20191107Open filing evidence
2019-01-01 – 2019-09-300 USD20191107Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Mortgages Revenue · Homes

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20190509Open filing evidence
2018-01-01 – 2018-12-310 USD20190221Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Mortgages Revenue · Homes Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence

Mortgages Revenue · Internet Media Technology

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-03-310 USD20190509Open filing evidence
2018-01-01 – 2018-12-3180046000 USD20190221Open filing evidence
2018-07-01 – 2018-09-300 RestatedUSD20191107Open filing evidence
2018-01-01 – 2018-09-300 RestatedUSD20191107Open filing evidence
2018-04-01 – 2018-06-300 RestatedUSD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Mortgages Revenue · Internet Media Technology · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence

Mortgages Revenue · Mortgages Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-3056745000 USD20210805Open filing evidence
2021-01-01 – 2021-06-30124705000 USD20210805Open filing evidence
2021-01-01 – 2021-03-3167960000 USD20210504Open filing evidence
2020-07-01 – 2020-09-3054198000 USD20201105Open filing evidence
2020-01-01 – 2020-09-30113241000 USD20201105Open filing evidence
2020-04-01 – 2020-06-3033761000 USD20210805Open filing evidence
2020-01-01 – 2020-06-3059043000 USD20210805Open filing evidence
2020-01-01 – 2020-03-3125282000 USD20210504Open filing evidence
2019-07-01 – 2019-09-3025292000 USD20201105Open filing evidence
2019-01-01 – 2019-09-3079637000 USD20201105Open filing evidence
2019-04-01 – 2019-06-3026985000 USD20190807Open filing evidence
2019-01-01 – 2019-06-3054345000 USD20190807Open filing evidence
2019-01-01 – 2019-03-3127360000 USD20190509Open filing evidence
2018-07-01 – 2018-09-3018438000 USD20191107Open filing evidence
2018-01-01 – 2018-09-3056766000 USD20191107Open filing evidence
2018-04-01 – 2018-06-3019305000 USD20190807Open filing evidence
2018-01-01 – 2018-06-3038328000 USD20190807Open filing evidence

Mortgages Revenue · Mortgages Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=z:MortgagesRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3026000000 USD20221102Open filing evidence
2022-01-01 – 2022-09-30101000000 USD20221102Open filing evidence
2021-07-01 – 2021-09-3070000000 USD20221102Open filing evidence
2021-01-01 – 2021-09-30195000000 USD20221102Open filing evidence

Other Real Estate · Operating Segments · Homes Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-313000000 USD20220505Open filing evidence
2021-01-01 – 2021-03-313000000 USD20220505Open filing evidence

Other Real Estate · Operating Segments · Internet Media Technology

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-12-31490059000 USD20220210Open filing evidence
2020-01-01 – 2020-12-31403278000 USD20220210Open filing evidence
2019-01-01 – 2019-12-31353020000 USD20220210Open filing evidence

Other Real Estate · Operating Segments · Mortgages Segment

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence

Other Real Estate · Homes

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-31761000 USD20200507Open filing evidence
2019-07-01 – 2019-09-300 USD20191107Open filing evidence
2019-01-01 – 2019-09-300 USD20191107Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence
2018-01-01 – 2018-12-310 USD20190221Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Other Real Estate · Homes Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-305115000 USD20210805Open filing evidence
2021-01-01 – 2021-06-308293000 USD20210805Open filing evidence
2020-04-01 – 2020-06-30436000 USD20210805Open filing evidence
2020-01-01 – 2020-06-301197000 USD20210805Open filing evidence

Other Real Estate · Homes Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-12-3133421000 USD20220210Open filing evidence
2020-01-01 – 2020-12-314840000 USD20220210Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Other Real Estate · Internet Media Technology

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-30127336000 USD20210805Open filing evidence
2021-01-01 – 2021-06-30239346000 USD20210805Open filing evidence
2020-04-01 – 2020-06-3088377000 USD20210805Open filing evidence
2020-01-01 – 2020-06-30176937000 USD20210805Open filing evidence
2020-01-01 – 2020-03-3188560000 USD20200507Open filing evidence
2019-07-01 – 2019-09-3050162000 USD20191107Open filing evidence
2019-01-01 – 2019-09-30141899000 USD20191107Open filing evidence
2019-04-01 – 2019-06-3091708000 RestatedUSD20200806Open filing evidence
2019-01-01 – 2019-06-30172245000 RestatedUSD20200806Open filing evidence
2019-01-01 – 2019-03-3180537000 RestatedUSD20200507Open filing evidence
2018-01-01 – 2018-12-31168224000 USD20190221Open filing evidence
2018-07-01 – 2018-09-3043616000 USD20191107Open filing evidence
2018-01-01 – 2018-09-30123445000 USD20191107Open filing evidence
2018-04-01 – 2018-06-3041768000 USD20190807Open filing evidence
2018-01-01 – 2018-06-3079829000 USD20190807Open filing evidence

Other Real Estate · Mortgages Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-07-01 – 2019-09-300 USD20191107Open filing evidence
2019-01-01 – 2019-09-300 USD20191107Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Other Real Estate · Mortgages Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=z:OtherRealEstateMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-12-310 USD20220210Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence
2020-01-01 – 2020-12-310 USD20220210Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Premier Agent · Operating Segments · Internet Media Technology

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:PremierAgentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30333000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-30696000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-311395723000 USD20220210Open filing evidence
2021-04-01 – 2021-06-30349000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-30683000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-311046954000 USD20220210Open filing evidence
2019-01-01 – 2019-12-31923876000 USD20220210Open filing evidence

Premier Agent · Homes

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:PremierAgentMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2020-04-01 – 2020-06-300 USD20200806Open filing evidence
2020-01-01 – 2020-06-300 USD20200806Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-03-310 USD20190509Open filing evidence
2018-01-01 – 2018-12-310 USD20190221Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Premier Agent · Homes Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:PremierAgentMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence

Premier Agent · Internet Media Technology

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:PremierAgentMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-30348754000 USD20210805Open filing evidence
2021-01-01 – 2021-06-30683072000 USD20210805Open filing evidence
2020-07-01 – 2020-09-30298673000 USD20201105Open filing evidence
2020-01-01 – 2020-09-30732741000 USD20201105Open filing evidence
2020-04-01 – 2020-06-30191962000 USD20210805Open filing evidence
2020-01-01 – 2020-06-30434068000 USD20210805Open filing evidence
2020-01-01 – 2020-03-31242106000 USD20200507Open filing evidence
2019-07-01 – 2019-09-30240698000 USD20201105Open filing evidence
2019-01-01 – 2019-09-30690394000 USD20201105Open filing evidence
2019-04-01 – 2019-06-30231961000 USD20200806Open filing evidence
2019-01-01 – 2019-06-30449696000 USD20200806Open filing evidence
2019-01-01 – 2019-03-31217735000 USD20200507Open filing evidence
2018-01-01 – 2018-12-31898332000 USD20190221Open filing evidence
2018-07-01 – 2018-09-30232703000 USD20191107Open filing evidence
2018-01-01 – 2018-09-30677320000 USD20191107Open filing evidence
2018-04-01 – 2018-06-30230885000 USD20190807Open filing evidence
2018-01-01 – 2018-06-30444617000 USD20190807Open filing evidence

Premier Agent · Mortgages Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:PremierAgentMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2021-04-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-06-300 USD20210805Open filing evidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-04-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-06-300 USD20210805Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-07-01 – 2019-09-300 USD20191107Open filing evidence
2019-01-01 – 2019-09-300 USD20191107Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Rentals · Operating Segments · Internet Media Technology

Product Or Service · Consolidation Items · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:RentalsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3071000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-30132000000 USD20220804Open filing evidence
2021-04-01 – 2021-06-3073000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-30137000000 USD20220804Open filing evidence

Rentals · Internet Media Technology · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=z:RentalsMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3074000000 USD20221102Open filing evidence
2022-01-01 – 2022-09-30206000000 USD20221102Open filing evidence
2021-07-01 – 2021-09-3067000000 USD20221102Open filing evidence
2021-01-01 – 2021-09-30204000000 USD20221102Open filing evidence

Rentals · Mortgages Segment · Operating Segments

Product Or Service · Statement Business Segments · Consolidation Items

Source dimensions srt:ProductOrServiceAxis=z:RentalsMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence

Rentals Revenue · Homes

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:RentalsRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesMember
PeriodValueUnitFiledEvidence
2019-07-01 – 2019-09-300 USD20191107Open filing evidence
2019-01-01 – 2019-09-300 USD20191107Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20190509Open filing evidence
2018-01-01 – 2018-12-310 USD20190221Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Rentals Revenue · Homes Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:RentalsRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-310 USD20200219Open filing evidence
2018-01-01 – 2018-12-310 USD20200219Open filing evidence

Rentals Revenue · Internet Media Technology

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:RentalsRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2019-01-01 – 2019-12-31164173000 USD20200219Open filing evidence
2019-07-01 – 2019-09-3044430000 USD20191107Open filing evidence
2019-01-01 – 2019-09-30124938000 USD20191107Open filing evidence
2019-04-01 – 2019-06-3042670000 USD20190807Open filing evidence
2019-01-01 – 2019-06-3080508000 USD20190807Open filing evidence
2019-01-01 – 2019-03-3137838000 USD20190509Open filing evidence
2018-01-01 – 2018-12-31134587000 USD20200219Open filing evidence
2018-07-01 – 2018-09-3037319000 USD20191107Open filing evidence
2018-01-01 – 2018-09-3099670000 USD20191107Open filing evidence
2018-04-01 – 2018-06-3033288000 USD20190807Open filing evidence
2018-01-01 – 2018-06-3062351000 USD20190807Open filing evidence

Rentals Revenue · Mortgages Segment

Product Or Service · Statement Business Segments

Source dimensions srt:ProductOrServiceAxis=z:RentalsRevenueMember;us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2019-07-01 – 2019-09-300 USD20191107Open filing evidence
2019-01-01 – 2019-09-300 USD20191107Open filing evidence
2019-04-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-06-300 USD20190807Open filing evidence
2019-01-01 – 2019-03-310 USD20190509Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence
2018-07-01 – 2018-09-300 USD20191107Open filing evidence
2018-01-01 – 2018-09-300 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Homes

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-30187105000 USD20201105Open filing evidence
2020-01-01 – 2020-09-301411230000 USD20201105Open filing evidence
2020-04-01 – 2020-06-30454252000 USD20200806Open filing evidence
2020-01-01 – 2020-06-301224125000 USD20200806Open filing evidence
2020-01-01 – 2020-03-31769873000 USD20200507Open filing evidence
2019-07-01 – 2019-09-30384626000 USD20201105Open filing evidence
2019-01-01 – 2019-09-30762022000 USD20201105Open filing evidence
2019-04-01 – 2019-06-30248924000 USD20200806Open filing evidence
2019-01-01 – 2019-06-30377396000 USD20200806Open filing evidence
2019-01-01 – 2019-03-31128472000 USD20200507Open filing evidence
2018-01-01 – 2018-12-3152365000 USD20190221Open filing evidence
2018-07-01 – 2018-09-3011018000 USD20191107Open filing evidence
2018-01-01 – 2018-09-3011018000 USD20191107Open filing evidence
2018-04-01 – 2018-06-300 USD20190807Open filing evidence
2018-01-01 – 2018-06-300 USD20190807Open filing evidence

Homes · Homes Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-30453816000 USD20200806Open filing evidence
2020-01-01 – 2020-06-301222928000 USD20200806Open filing evidence
2019-04-01 – 2019-06-30248924000 USD20200806Open filing evidence
2019-01-01 – 2019-06-30377396000 USD20200806Open filing evidence

Homes · Mortgages Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2020-04-01 – 2020-06-300 USD20200806Open filing evidence
2020-01-01 – 2020-06-300 USD20200806Open filing evidence
2020-01-01 – 2020-03-310 USD20200507Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence

Homes · Other Real Estate

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-301201000 USD20201105Open filing evidence
2020-01-01 – 2020-09-302398000 USD20201105Open filing evidence
2020-04-01 – 2020-06-30436000 USD20200806Open filing evidence
2020-01-01 – 2020-06-301197000 USD20200806Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence

Homes · Premier Agent

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-03-310 USD20200507Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence

Homes Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30505000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-304226000000 USD20220804Open filing evidence
2022-01-01 – 2022-03-313721000000 USD20220505Open filing evidence
2021-01-01 – 2021-12-316015778000 USD20220210Open filing evidence
2021-07-01 – 2021-09-301186158000 USD20211102Open filing evidence
2021-01-01 – 2021-09-302667455000 USD20211102Open filing evidence
2021-04-01 – 2021-06-30777000000 RestatedUSD20220804Open filing evidence
2021-01-01 – 2021-06-301481000000 RestatedUSD20220804Open filing evidence
2021-01-01 – 2021-03-31704000000 RestatedUSD20220505Open filing evidence
2020-01-01 – 2020-12-311715375000 USD20220210Open filing evidence
2020-07-01 – 2020-09-30187105000 USD20211102Open filing evidence
2020-01-01 – 2020-09-301411230000 USD20211102Open filing evidence
2020-04-01 – 2020-06-30454252000 USD20210805Open filing evidence
2020-01-01 – 2020-06-301224125000 USD20210805Open filing evidence
2020-01-01 – 2020-03-31769873000 USD20210504Open filing evidence
2019-01-01 – 2019-12-311365250000 USD20220210Open filing evidence
2018-01-01 – 2018-12-3152365000 USD20210212Open filing evidence

Homes Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2022-04-01 – 2022-06-30505000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-304226000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 RestatedUSD20230215Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence
2021-04-01 – 2021-06-30777000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-301481000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 RestatedUSD20230215Open filing evidence
2019-01-01 – 2019-12-311365250000 USD20220210Open filing evidence

Homes Segment · Operating Segments · Mortgages Revenue

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20220210Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20220210Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Homes Segment · Operating Segments · Other Real Estate

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-04-01 – 2022-06-301000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-304000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2021-04-01 – 2021-06-305000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-308000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence

Homes Segment · Operating Segments · Premier Agent

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence

Homes Segment · Homes Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-31700974000 USD20210504Open filing evidence
2020-01-01 – 2020-12-311710535000 USD20210212Open filing evidence
2020-01-01 – 2020-03-31769112000 USD20210504Open filing evidence
2019-01-01 – 2019-12-311365250000 USD20210212Open filing evidence
2018-01-01 – 2018-12-3152365000 USD20210212Open filing evidence

Homes Segment · Homes Revenue · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:HomesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30504000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-304222000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-315982357000 USD20220210Open filing evidence
2021-04-01 – 2021-06-30772000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-301473000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-311710535000 USD20220210Open filing evidence
2019-01-01 – 2019-12-311365250000 USD20220210Open filing evidence

Homes Segment · Mortgages Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence

Homes Segment · Mortgages Revenue · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence

Homes Segment · Other Real Estate

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-313178000 USD20210504Open filing evidence
2020-01-01 – 2020-03-31761000 USD20210504Open filing evidence
2019-01-01 – 2019-12-310 USD20200219Open filing evidence
2018-01-01 – 2018-12-310 USD20200219Open filing evidence

Homes Segment · Other Real Estate · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence

Homes Segment · Premier Agent

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence

Homes Segment · Premier Agent · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:PremierAgentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Homes Segment · Rentals · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:RentalsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence

Homes Segment · Rentals Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:HomesSegmentMember;srt:ProductOrServiceAxis=z:RentalsRevenueMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-314840000 USD20210212Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence

Internet Media Technology

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-30475000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-30965000000 USD20220804Open filing evidence
2022-01-01 – 2022-03-31490000000 USD20220505Open filing evidence
2021-01-01 – 2021-12-311885782000 USD20220210Open filing evidence
2021-07-01 – 2021-09-30480195000 USD20211102Open filing evidence
2021-01-01 – 2021-09-301402613000 USD20211102Open filing evidence
2021-04-01 – 2021-06-30476000000 RestatedUSD20220804Open filing evidence
2021-01-01 – 2021-06-30922000000 RestatedUSD20220804Open filing evidence
2021-01-01 – 2021-03-31446000000 RestatedUSD20220505Open filing evidence
2020-01-01 – 2020-12-311450232000 USD20220210Open filing evidence
2020-07-01 – 2020-09-30415389000 USD20211102Open filing evidence
2020-01-01 – 2020-09-301026394000 USD20211102Open filing evidence
2020-04-01 – 2020-06-30280339000 USD20210805Open filing evidence
2020-01-01 – 2020-06-30611005000 USD20210805Open filing evidence
2020-01-01 – 2020-03-31330666000 USD20210504Open filing evidence
2019-01-01 – 2019-12-311276896000 USD20220210Open filing evidence
2019-07-01 – 2019-09-30335290000 USD20201105Open filing evidence
2019-01-01 – 2019-09-30957231000 USD20201105Open filing evidence
2019-04-01 – 2019-06-30323669000 USD20200806Open filing evidence
2019-01-01 – 2019-06-30621941000 USD20200806Open filing evidence
2019-01-01 – 2019-03-31298272000 USD20200507Open filing evidence
2018-01-01 – 2018-12-311201143000 RestatedUSD20210212Open filing evidence
2018-07-01 – 2018-09-30313638000 RestatedUSD20191107Open filing evidence
2018-01-01 – 2018-09-30900435000 RestatedUSD20191107Open filing evidence
2018-04-01 – 2018-06-30305941000 RestatedUSD20190807Open filing evidence
2018-01-01 – 2018-06-30586797000 RestatedUSD20190807Open filing evidence

Internet Media Technology · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-311839000000 USD20230215Open filing evidence
2022-07-01 – 2022-09-30457000000 USD20221102Open filing evidence
2022-01-01 – 2022-09-301422000000 USD20221102Open filing evidence
2022-01-01 – 2022-03-31490000000 USD20220505Open filing evidence
2021-01-01 – 2021-12-311886000000 USD20230215Open filing evidence
2021-07-01 – 2021-09-30480000000 USD20221102Open filing evidence
2021-01-01 – 2021-09-301402000000 USD20221102Open filing evidence
2021-01-01 – 2021-03-31446000000 USD20220505Open filing evidence
2020-01-01 – 2020-12-311450000000 USD20230215Open filing evidence

Internet Media Technology · Operating Segments · Homes Revenue

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence

Internet Media Technology · Operating Segments · Mortgages Revenue

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-310 USD20220505Open filing evidence
2021-01-01 – 2021-03-310 USD20220505Open filing evidence

Internet Media Technology · Operating Segments · Other Real Estate

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-31274000000 USD20230215Open filing evidence
2021-01-01 – 2021-12-31226000000 USD20230215Open filing evidence
2020-01-01 – 2020-12-31181000000 USD20230215Open filing evidence

Internet Media Technology · Operating Segments · Premier Agent

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-30312000000 USD20221102Open filing evidence
2022-01-01 – 2022-09-301008000000 USD20221102Open filing evidence
2022-01-01 – 2022-03-31363000000 USD20220505Open filing evidence
2021-07-01 – 2021-09-30359000000 USD20221102Open filing evidence
2021-01-01 – 2021-09-301042000000 USD20221102Open filing evidence
2021-01-01 – 2021-03-31334000000 USD20220505Open filing evidence

Internet Media Technology · Operating Segments · Rentals

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:RentalsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-03-3161000000 USD20220505Open filing evidence
2021-01-01 – 2021-03-3164000000 USD20220505Open filing evidence

Internet Media Technology · Homes Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence

Internet Media Technology · Mortgages Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-310 USD20210504Open filing evidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2020-01-01 – 2020-03-310 USD20210504Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2019-01-01 – 2019-03-310 USD20200507Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence

Internet Media Technology · Mortgages Revenue · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence

Internet Media Technology · Other Real Estate

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-31112010000 USD20210504Open filing evidence
2020-07-01 – 2020-09-30116716000 USD20201105Open filing evidence
2020-01-01 – 2020-09-30293653000 USD20201105Open filing evidence
2020-01-01 – 2020-03-3188560000 USD20210504Open filing evidence
2019-01-01 – 2019-12-31188847000 USD20200219Open filing evidence
2019-07-01 – 2019-09-3094592000 USD20201105Open filing evidence
2019-01-01 – 2019-09-30266837000 USD20201105Open filing evidence
2018-01-01 – 2018-12-31168224000 USD20200219Open filing evidence

Internet Media Technology · Other Real Estate · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-3071000000 USD20221102Open filing evidence
2022-01-01 – 2022-09-30208000000 USD20221102Open filing evidence
2022-01-01 – 2022-03-3166000000 USD20220505Open filing evidence
2021-07-01 – 2021-09-3054000000 USD20221102Open filing evidence
2021-01-01 – 2021-09-30156000000 USD20221102Open filing evidence
2021-01-01 – 2021-03-3148000000 USD20220505Open filing evidence

Internet Media Technology · Premier Agent

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2021-01-01 – 2021-03-31334318000 USD20210504Open filing evidence
2020-01-01 – 2020-12-311046954000 USD20210212Open filing evidence
2020-01-01 – 2020-03-31242106000 USD20210504Open filing evidence
2019-01-01 – 2019-12-31923876000 USD20210212Open filing evidence
2018-01-01 – 2018-12-31898332000 USD20210212Open filing evidence

Internet Media Technology · Premier Agent · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:PremierAgentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-311291000000 USD20230215Open filing evidence
2021-01-01 – 2021-12-311396000000 USD20230215Open filing evidence
2020-01-01 – 2020-12-311047000000 USD20230215Open filing evidence

Internet Media Technology · Rentals · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:RentalsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-31274000000 USD20230215Open filing evidence
2021-01-01 – 2021-12-31264000000 USD20230215Open filing evidence
2020-01-01 – 2020-12-31222000000 USD20230215Open filing evidence

Internet Media Technology · Rentals Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:InternetMediaTechnologyMember;srt:ProductOrServiceAxis=z:RentalsRevenueMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31403278000 USD20210212Open filing evidence
2019-01-01 – 2019-12-31353020000 USD20210212Open filing evidence
2018-01-01 – 2018-12-31302811000 USD20210212Open filing evidence

Mortgages Segment

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3029000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-3075000000 USD20220804Open filing evidence
2022-01-01 – 2022-03-3146000000 USD20220505Open filing evidence
2021-01-01 – 2021-12-31245816000 USD20220210Open filing evidence
2021-07-01 – 2021-09-3070290000 USD20211102Open filing evidence
2021-01-01 – 2021-09-30194995000 USD20211102Open filing evidence
2021-04-01 – 2021-06-3057000000 RestatedUSD20220804Open filing evidence
2021-01-01 – 2021-06-30125000000 RestatedUSD20220804Open filing evidence
2021-01-01 – 2021-03-3168000000 RestatedUSD20220505Open filing evidence
2020-01-01 – 2020-12-31174210000 USD20220210Open filing evidence
2020-07-01 – 2020-09-3054198000 USD20211102Open filing evidence
2020-01-01 – 2020-09-30113241000 USD20211102Open filing evidence
2020-04-01 – 2020-06-3033761000 USD20210805Open filing evidence
2020-01-01 – 2020-06-3059043000 USD20210805Open filing evidence
2020-01-01 – 2020-03-3125282000 USD20210504Open filing evidence
2019-01-01 – 2019-12-31100691000 USD20220210Open filing evidence
2019-07-01 – 2019-09-3025292000 USD20201105Open filing evidence
2019-01-01 – 2019-09-3079637000 USD20201105Open filing evidence
2019-04-01 – 2019-06-3026985000 USD20200806Open filing evidence
2019-01-01 – 2019-06-3054345000 USD20200806Open filing evidence
2019-01-01 – 2019-03-3127360000 USD20200507Open filing evidence
2018-01-01 – 2018-12-3180046000 USD20210212Open filing evidence
2018-07-01 – 2018-09-3018438000 USD20191107Open filing evidence
2018-01-01 – 2018-09-3056766000 USD20191107Open filing evidence
2018-01-01 – 2018-06-3038328000 USD20190807Open filing evidence

Mortgages Segment · Operating Segments

Statement Business Segments · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-31119000000 USD20230215Open filing evidence
2022-07-01 – 2022-09-3026000000 USD20221102Open filing evidence
2022-01-01 – 2022-09-30101000000 USD20221102Open filing evidence
2022-04-01 – 2022-06-3029000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-3075000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-31246000000 RestatedUSD20230215Open filing evidence
2021-07-01 – 2021-09-3070000000 USD20221102Open filing evidence
2021-01-01 – 2021-09-30195000000 USD20221102Open filing evidence
2021-04-01 – 2021-06-3057000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-30125000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-31174000000 RestatedUSD20230215Open filing evidence
2019-01-01 – 2019-12-31100691000 USD20220210Open filing evidence

Mortgages Segment · Operating Segments · Mortgages Revenue

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-3029000000 USD20220804Open filing evidence
2022-01-01 – 2022-06-3075000000 USD20220804Open filing evidence
2021-01-01 – 2021-12-31245816000 USD20220210Open filing evidence
2021-04-01 – 2021-06-3057000000 USD20220804Open filing evidence
2021-01-01 – 2021-06-30125000000 USD20220804Open filing evidence
2020-01-01 – 2020-12-31174210000 USD20220210Open filing evidence
2019-01-01 – 2019-12-31100691000 USD20220210Open filing evidence

Mortgages Segment · Operating Segments · Other Real Estate

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence

Mortgages Segment · Operating Segments · Premier Agent

Statement Business Segments · Consolidation Items · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2022-07-01 – 2022-09-300 USD20221102Open filing evidence
2022-01-01 – 2022-09-300 USD20221102Open filing evidence
2021-07-01 – 2021-09-300 USD20221102Open filing evidence
2021-01-01 – 2021-09-300 USD20221102Open filing evidence

Mortgages Segment · Homes Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:HomesRevenueMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2020-04-01 – 2020-06-300 USD20200806Open filing evidence
2020-01-01 – 2020-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-12-310 USD20200219Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2018-01-01 – 2018-12-310 USD20200219Open filing evidence

Mortgages Segment · Homes Revenue · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:HomesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20220210Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20220210Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Mortgages Segment · Mortgages Revenue

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-31174210000 USD20210212Open filing evidence
2020-04-01 – 2020-06-3033761000 USD20200806Open filing evidence
2020-01-01 – 2020-06-3059043000 USD20200806Open filing evidence
2020-01-01 – 2020-03-3125282000 USD20200507Open filing evidence
2019-01-01 – 2019-12-31100691000 USD20210212Open filing evidence
2019-04-01 – 2019-06-3026985000 USD20200806Open filing evidence
2019-01-01 – 2019-06-3054345000 USD20200806Open filing evidence
2019-01-01 – 2019-03-3127360000 USD20200507Open filing evidence
2018-01-01 – 2018-12-3180046000 USD20210212Open filing evidence

Mortgages Segment · Mortgages Revenue · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:MortgagesRevenueMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-31119000000 USD20230215Open filing evidence
2021-01-01 – 2021-12-31246000000 USD20230215Open filing evidence
2020-01-01 – 2020-12-31174000000 USD20230215Open filing evidence

Mortgages Segment · Other Real Estate

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:OtherRealEstateMember
PeriodValueUnitFiledEvidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2020-04-01 – 2020-06-300 USD20200806Open filing evidence
2020-01-01 – 2020-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-12-310 USD20200219Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2018-01-01 – 2018-12-310 USD20200219Open filing evidence

Mortgages Segment · Premier Agent

Statement Business Segments · Product Or Service

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:PremierAgentMember
PeriodValueUnitFiledEvidence
2020-01-01 – 2020-12-310 USD20210212Open filing evidence
2020-07-01 – 2020-09-300 USD20201105Open filing evidence
2020-01-01 – 2020-09-300 USD20201105Open filing evidence
2020-04-01 – 2020-06-300 USD20200806Open filing evidence
2020-01-01 – 2020-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-12-310 USD20210212Open filing evidence
2019-07-01 – 2019-09-300 USD20201105Open filing evidence
2019-01-01 – 2019-09-300 USD20201105Open filing evidence
2019-04-01 – 2019-06-300 USD20200806Open filing evidence
2019-01-01 – 2019-06-300 USD20200806Open filing evidence
2018-01-01 – 2018-12-310 USD20210212Open filing evidence

Mortgages Segment · Premier Agent · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:PremierAgentMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2022-04-01 – 2022-06-300 USD20220804Open filing evidence
2022-01-01 – 2022-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2021-04-01 – 2021-06-300 USD20220804Open filing evidence
2021-01-01 – 2021-06-300 USD20220804Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence
2019-01-01 – 2019-12-310 USD20220210Open filing evidence

Mortgages Segment · Rentals · Operating Segments

Statement Business Segments · Product Or Service · Consolidation Items

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:MortgagesSegmentMember;srt:ProductOrServiceAxis=z:RentalsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-310 USD20230215Open filing evidence
2021-01-01 – 2021-12-310 USD20230215Open filing evidence
2020-01-01 – 2020-12-310 USD20230215Open filing evidence

Reportable Segments

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=z:ReportableSegmentsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30772000000 USD20260805Open filing evidence
2026-01-01 – 2026-06-301480000000 USD20260805Open filing evidence
2026-01-01 – 2026-03-31708000000 USD20260506Open filing evidence
2025-01-01 – 2025-12-312583000000 USD20260211Open filing evidence
2025-07-01 – 2025-09-30676000000 USD20251030Open filing evidence
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