Loans and Leases - Schedule of Troubled Debt Restructuring Modifications (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($) loan	Jun. 30, 2022 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	90	171
Amortized Cost at Period End | $	$ 15	$ 38
Interest only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	6	8
Amortized Cost at Period End | $	$ 6	$ 6
Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	41	76
Amortized Cost at Period End | $	$ 4	$ 23
Below market rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	25	45
Amortized Cost at Period End | $	$ 3	$ 5
Discharge from bankruptcy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	18	42
Amortized Cost at Period End | $	$ 2	$ 4