v3.25.2
Deferred Revenue (Tables)
6 Months Ended
Jun. 30, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Changes in Deferred Revenue The changes in our deferred revenue during the six months ended June 30, 2025 are as follows (in millions):
Listings RevenuesData Services and Other RevenuesMortgage TechnologyTotal
Deferred revenue balance at January 1, 2025
$119 $130 $84 $333 
Additions470 224 75 769 
Amortization
(246)(173)(82)(501)
Deferred revenue balance at June 30, 2025
$343 $181 $77 $601 
The changes in our deferred revenue during the six months ended June 30, 2024 are as follows (in millions):
Listings RevenuesData Services and Other RevenuesMortgage TechnologyTotal
Deferred revenue balance at January 1, 2024
$108 $93 $106 $307 
Additions475 265 66 806 
Amortization
(244)(191)(76)(511)
Deferred revenue balance at June 30, 2024
$339 $167 $96 $602