Share-Based Compensation - Narrative (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended			3 Months Ended		9 Months Ended
	Oct. 31, 2023	Sep. 30, 2023	Feb. 28, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Class of Stock [Line Items]
Non-cash expense recognized				$ 79	$ 39	$ 164	$ 116
Performance Based Restricted Stock Units
Class of Stock [Line Items]
Unrecognized compensation expense		$ 40	$ 46	40		40
Target reserved (in shares)			0.4
Cost not yet recognized, period for recognition (in years)			3 years
Stock-based compensation				12		26
Amount of non-cash compensation remaining in fiscal period		10		10		$ 10
Restricted stock
Class of Stock [Line Items]
Accelerated cost		$ 28
Restricted stock | Black Knight, Inc.
Class of Stock [Line Items]
Stock-based compensation				$ 5
Performance based restricted stock | Share-Based Payment Arrangement, Employee | Subsequent Event
Class of Stock [Line Items]
Award vesting period	5 years
Minimum | Employee Stock Option
Class of Stock [Line Items]
Award vesting period						3 years
Maximum | Performance Based Restricted Stock Units
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)			0.9
Unrecognized compensation expense			$ 92
Maximum | Employee Stock Option
Class of Stock [Line Items]
Award vesting period						4 years