Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating leases	$ 19	$ 21
Short-term leases	1	0
Lease expense	20	21
Less: sublease income	0	0
Net lease cost	20	21
Cash payments to settle a lease liability reported in cash flows	21	24
Right-of-use assets obtained in exchange for new lease liabilities	$ 10	$ 2
Weighted average discount rate (percent)	2.44%	2.23%
Weighted average remaining lease term (in years)	4 years 4 months 24 days	4 years 9 months 18 days