Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term for operating lease	6 years 8 months 12 days	4 years 8 months 12 days
Weighted average discount rate (percent)	5.10%	3.00%
Rent And Occupancy Expense
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 58	$ 52	$ 61
Technology And Communication Expense
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 32	$ 26	$ 24