Discontinued Operations - Non-Cash Items and Capital Expenditures (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Settlement of beneficial interests in securitizations		$ 0	$ (79)
Discontinued Operations, Disposed Of By Means Other Than Sale, Wind Down \| Zillow Offers Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of debt discount and debt issuance costs			21
Loss on debt extinguishment	$ 7		21
Share-based compensation			15
Inventory valuation adjustment			9
Depreciation and amortization			$ 7

Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483499/205-20-50-5B

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