Leases - Narrative (Details) ft² in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) ft²	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Lease space | ft²	271
Total lease assets	$ 87	$ 100
Total lease liability	$ 116	$ 136
Weighted average remaining lease term	8 years 2 months 12 days	8 years 7 months 6 days
Weighted average discount rate	2.49%	2.40%
ROU asset impairment			$ 13