v3.25.1
Deferred Revenue (Tables)
3 Months Ended
Mar. 31, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Changes in Deferred Revenue The changes in our deferred revenue during the three months ended March 31, 2025 are as follows (in millions):
Listings RevenuesData Services and Other RevenuesMortgage TechnologyTotal
Deferred revenue balance at January 1, 2025
$119 $130 $84 $333 
Additions461 139 38 638 
Amortization
(122)(100)(46)(268)
Deferred revenue balance at March 31, 2025
$458 $169 $76 $703 
The changes in our deferred revenue during the three months ended March 31, 2024 are as follows (in millions):
Listings RevenuesData Services and Other RevenuesMortgage TechnologyTotal
Deferred revenue balance at January 1, 2024
$108 $93 $106 $307 
Additions460 161 32 653 
Amortization
(122)(99)(39)(260)
Deferred revenue balance at March 31, 2024
$446 $155 $99 $700