Leases - Components of Lease Income (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
Interest income on lease financing	[1]	$ 12	$ 14	$ 24	$ 28

[1] Included in Interest Income – Loans and leases in the Consolidated Statements of Income and Comprehensive Income.