Acquisitions and Divestitures - Narrative (Details) - USD ($) shares in Millions, $ in Millions				1 Months Ended	12 Months Ended
	Dec. 31, 2023	Sep. 14, 2023	Sep. 05, 2023	Feb. 29, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Fair value loss on Promissory Note					$ 0	$ 0	$ 160
Proceeds from sale of Promissory Note					$ 0	$ 75	0
Black Knight, Inc.
Business Combination [Line Items]
Notes receivable face amount		$ 500
Note receivable, term		40 years
Interest rate		7.00%
Note receivable	$ 75	$ 235					75
Fair value loss on Promissory Note	$ 160
Proceeds from sale of Promissory Note				$ 75
Optimal Blue | Black Knight, Inc.
Business Combination [Line Items]
Disposal group, including discontinued operation, consideration		$ 241
Black Knight, Inc.
Business Combination [Line Items]
Percentage of voting interests acquired			100.00%
Transaction consideration			$ 11,838
Cash			$ 10,542
Equity interests issued and issuable (in shares)			10.9
Goodwill expected to be tax deductible			$ 186
Business combination, pro forma Information, revenue of acquiree since acquisition date, actual							363
Business combination, pro forma information, operating expenses of acquire since acquisition date, actual							$ 470