Lessee - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Operating lease expense	$ 20	$ 25	$ 65	$ 74
Short-term lease expense	4	4	12	12
Variable lease expense	12	12	38	37
Sublease income	0	(1)	(1)	(5)
Total Lease expense	$ 36	$ 40	$ 114	$ 118