Revenue - Schedule of Changes in Technology Services Deferred Revenue Liability (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue from Contract with Customer [Abstract]
Beginning balance	$ 120	$ 122	$ 133	$ 125
Additions	22	21	53	58
Revenue recognized that was included in the beginning balance	(28)	(28)	(72)	(68)
Ending balance	$ 114	$ 115	$ 114	$ 115