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Revenue and Contract Balances
 12 Months Ended
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]  
Revenue and Contract Balances Revenue and Contract Balances
We recognize revenue when or as we satisfy our performance obligations by transferring control of the promised products or services to our customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those products or services. See Note 2 for additional information on our revenue from contracts with customers and contract balances.
Disaggregation of Revenue
The following table presents our revenue disaggregated by category for the periods presented (in millions):
 Year Ended December 31,
202420232022
Revenue:
For Sale revenue:
Residential$1,594 $1,452 $1,522 
Mortgages145 96 119 
Total For Sale revenue
1,739 1,548 1,641 
Rentals
453 357 274 
Other
44 40 43 
Total revenue$2,236 $1,945 $1,958 
Contract Balances
Contract assets totaled $157 million and $90 million as of December 31, 2024 and December 31, 2023, respectively. As of December 31, 2024, the average remaining recognition period for our contract asset related to our Premier Agent Flex offering was five months.
For the year ended December 31, 2024, the opening balance of deferred revenue was $52 million, of which $51 million was recognized as revenue during the period. For the year ended December 31, 2023, the opening balance of deferred revenue was $44 million, of which $43 million was recognized as revenue during the period.