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Deferred Revenue (Tables)

9 Months Ended

Sep. 30, 2024

Revenue from Contract with Customer [Abstract]

The changes in our deferred revenue during the nine months ended September 30, 2024 are as follows (in millions):


	Listings Revenues		Data Services and Other Revenues		Mortgage Technology		Total
Deferred revenue balance at January 1, 2024	$	108	$	93	$	106	$	307
Additions	487		335		106		928
Amortization	(366)		(270)		(124)		(760)
Deferred revenue balance at September 30, 2024	$	229	$	158	$	88	$	475

The changes in our deferred revenue during the nine months ended September 30, 2023 are as follows (in millions):


	Listings Revenues		Data Services and Other Revenues		Mortgage Technology		Total
Deferred revenue balance at January 1, 2023	$	115	$	88	$	51	$	254
Additions (1)	485		311		144		940
Amortization	(376)		(281)		(88)		(745)
Deferred revenue balance at September 30, 2023	$	224	$	118	$	107	$	449

(1) Additions in our Mortgage Technology segment in the table above include $68 million of deferred revenue acquired on the date of the Black Knight acquisition (Note 3) and $28 million of Black Knight related deferred revenue added in the period after the date of the Black Knight acquisition through September 30, 2023.