Deferred Revenue - Schedule of Deferred Revenue Estimate (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
2025	$ 237
2026	46
2027	29
2028	15
2029	5
Thereafter	1
Total	333	$ 307	$ 254
Listing Revenues
Disaggregation of Revenue [Line Items]
2025	41
2026	36
2027	25
2028	12
2029	4
Thereafter	1
Total	119	108	115
Data Services and Other Revenues
Disaggregation of Revenue [Line Items]
2025	122
2026	5
2027	2
2028	1
2029	0
Thereafter	0
Total	130	93	88
Mortgage Technology
Disaggregation of Revenue [Line Items]
2025	74
2026	5
2027	2
2028	2
2029	1
Thereafter	0
Total	$ 84	$ 106	$ 51