Other Liabilities (Details 1) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Deferred card and other fees	$ 2,838	$ 2,639
Deferred direct acquisition costs	(169)	(166)
Reserves for membership cancellations	(153)	(191)
Deferred card and other fees, net	$ 2,516	$ 2,282