Leases (Lessee Components of Lease Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Property leases
Operating lease expense	$ 184	$ 146	$ 513	$ 419
Variable lease expense	169	152	423	318
Total property lease expense	353	298	936	737
Minimum annual guaranteed rent in excess of concession fees, net	$ 0	$ (4)	$ (9)	$ 12