Business Segments - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Lease revenue	$ 183	$ 204
Payment Services [Member]
Rewards and Rebate Costs and Certain Partner Payments Included in Noninterest Income	717	671
Revenue generated from certain contracts with customers included in non-interest income	$ 2,100	$ 1,900