Leases Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lease Income	$ 8	$ 10	$ 10
Amortization of right-of-use assets	4	4	5
Interest on lease liabilities	1	1	1
Total finance lease cost	5	5	6
Operating lease cost	122	119	111
Short-term lease cost	14	13	13
Variable lease cost	1	0	0
Sublease Income	5	4	4
Total lease cost	137	133	126
Motional autonomous driving joint venture
Lease Income	$ 4	$ 3	$ 3