Noninterest Revenue and Noninterest Expense - Other Income (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Non interest Revenue [Line Items]
Operating lease income		$ 3,654	$ 4,914	$ 5,539
Losses on tax-oriented investments(a)		(1,491)	(1,570)	(1,280)
VISA | Common stock | Class B
Schedule of Non interest Revenue [Line Items]
Gain on sale of Visa B shares	$ 914	$ 914	$ 0	$ 0