Leasing (Lease, Cost) (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 lease expense	$ 8	$ 10	$ 25	$ 36
Variable lease expense	1	2	3	6
Total lease expense, net	$ 9	$ 12	$ 28	$ 42