Leases (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating leases	$ 19	$ 22	$ 61	$ 67
Short-term leases	1	0	2	1
Lease expense	20	22	63	68
Less: sublease income	0	0	0	0
Net lease cost	20	22	63	68
Cash payments to settle a lease liability reported in cash flows	23	25	71	78
Right-of-use assets obtained in exchange for new lease liabilities	$ 14	$ 2	$ 21	$ 21
Weighted average discount rate (percent)	2.33%	2.37%	2.33%	2.37%
Weighted average remaining lease term (in years)	4 years 6 months	4 years 7 months 6 days	4 years 6 months	4 years 7 months 6 days