Leases - Operating Leases Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 30	$ 30
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 4	$ 5
Weighted-average remaining lease term (years)	4 years 2 months 12 days	4 years 9 months 18 days
Weighted-average discount rate applied to operating leases (percent)	3.20%	3.10%