Lessee - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Leases [Abstract]
Operating lease expense	$ 22	$ 24	$ 45	$ 49
Short-term lease expense	4	4	8	8
Variable lease expense	13	13	26	25
Sublease income	0	(2)	(1)	(4)
Total Lease expense	$ 39	$ 39	$ 78	$ 78