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Segment Information and Revenue
 12 Months Ended
Dec. 31, 2022
Segment Reporting [Abstract]  
Segment Information and Revenue Segment Information and Revenue
We have three operating and reportable segments, which have been identified based on the way in which our chief operating decision-maker manages our business, makes operating decisions and evaluates operating performance. The chief executive officer acts as the chief operating decision-maker and reviews financial and operational information for the Internet, Media & Technology (“IMT”), Mortgages and Homes segments.
The IMT segment includes the financial results for the Premier Agent and rentals marketplaces, as well as Other IMT, which includes our new construction marketplace and revenue from the sale of other advertising and business technology solutions for real estate professionals, including display, StreetEasy for-sale product offerings and ShowingTime+, which houses ShowingTime, Bridge Interactive, dotloop and interactive floor plans. In the first quarter of 2022, we began reporting rentals revenue as a separate revenue category within the IMT segment and prior period amounts have been recast to conform to this presentation. The Mortgages segment primarily includes the financial results for mortgage originations and the sale of mortgages on the secondary market through Zillow Home Loans and advertising sold to mortgage lenders and other mortgage professionals. The Homes segment includes the financial results from title and escrow services performed by Zillow Closing Services and certain indirect costs of the Homes segment which do not qualify as discontinued operations. As discussed in Note 3, the wind down of Zillow Offers was completed in the third quarter of 2022, and we have presented the financial results of Zillow Offers as discontinued operations in our consolidated financial statements. Prior period amounts have been recast to conform to this presentation.
Revenue and costs are directly attributed to our segments when possible. However, due to the integrated structure of our business, certain costs incurred by one segment may benefit the other segments. These costs primarily include headcount-related expenses, general and administrative expenses including executive, finance, accounting, legal, human resources, recruiting and facilities costs, product development and data acquisition costs, costs related to operating our mobile applications and websites and marketing and advertising costs. These costs are allocated to each segment based on the estimated benefit each segment receives from such expenditures.
The chief executive officer reviews information about our revenue categories as well as statement of operations data inclusive of income (loss) from continuing operations before income taxes by segment. This information is included in the following tables for the periods presented (in millions):
 Year Ended December 31, 2022Year Ended December 31, 2021Year Ended December 31, 2020
IMTMortgagesHomesIMTMortgagesHomesIMTMortgagesHomes
Revenue:
Premier Agent$1,291 $— $— $1,396 $— $— $1,047 $— $— 
Rentals274 — — 264 — — 222 — — 
Other274 — — 226 — — 181 — — 
Mortgages— 119 — — 246 — — 174 — 
Total revenue1,839 119 — 1,886 246 — 1,450 174 — 
Cost of revenue (1)275 68 24 203 84 36 193 39 23 
Gross profit (loss)1,564 51 (24)1,683 162 (36)1,257 135 (23)
Operating expenses (1):
Sales and marketing572 79 13 552 109 54 441 60 34 
Technology and development438 50 10 318 32 71 260 23 41 
General and administrative375 85 38 258 72 84 225 44 55 
Impairment and restructuring costs12 4 8 — 1 9 74 3 — 
Acquisition-related costs— — — 9 — — — — — 
Integration costs— — — 1 — — — — — 
Total operating expenses1,397 218 69 1,138 214 218 1,000 130 130 
Income (loss) from continuing operations
167 (167)(93)545 (52)(254)257 5 (153)
Segment other income (expense), net(7)3 — — 5 — 5 2 — 
Segment interest expense — (3)— — (5)— — (2)— 
Income (loss) from continuing operations before income taxes (2)
$160 $(167)$(93)$545 $(52)$(254)$262 $5 $(153)
(1) The following table presents depreciation and amortization expense and share-based compensation expense for each of our segments for the periods presented (in millions):
 Year Ended December 31, 2022Year Ended December 31, 2021Year Ended December 31, 2020
IMTMortgagesHomesIMTMortgagesHomesIMTMortgagesHomes
Depreciation and amortization expense$137 $11 $2 $99 $8 $13 $90 $7 $8 
Share-based compensation expense$356 $60 $17 $201 $34 $41 $135 $15 $20 
(2) The following table presents the reconciliation of total segment income (loss) from continuing operations before income taxes to consolidated income (loss) from continuing operations before income taxes for the periods presented (in millions):
Year Ended December 31,
202220212020
Total segment income (loss) from continuing operations before income taxes
$(100)$239 $114 
Corporate interest expense(32)(123)(136)
Corporate other income, net47 2 18 
Gain (loss) on extinguishment of debt— (17)1 
Consolidated income (loss) from continuing operations before income taxes
$(85)$101 $(3)
Certain corporate items are not directly attributable to any of our segments, including the gain (loss) on extinguishment of debt, interest income earned on our short-term investments included in other income, net and interest costs on our convertible senior notes included in interest expense.