Loans and Leases - Schedule of Troubled Debt Restructuring Modifications (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) loan	Sep. 30, 2021 USD ($) loan	Sep. 30, 2022 USD ($) loan	Sep. 30, 2021 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	93	116	263	387
Amortized Cost at Period End | $	$ 67	$ 22	$ 100	$ 68
Interest only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	5	7	13	17
Amortized Cost at Period End | $	$ 31	$ 10	$ 37	$ 20
Loan term extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	35	41	110	112
Amortized Cost at Period End | $	$ 30	$ 6	$ 51	$ 15
Below market rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	17	47	62	148
Amortized Cost at Period End | $	$ 4	$ 3	$ 8	$ 21
Discharge from bankruptcy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	36	21	78	110
Amortized Cost at Period End | $	$ 2	$ 3	$ 4	$ 12