Loans and Leases - Schedule of Troubled Debt Restructuring Modifications (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	337	454	599,000,000
Amortized Cost at Period End | $	$ 79	$ 64	$ 92
Interest only
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	17	20	37
Amortized Cost at Period End | $	$ 39	$ 18	$ 32
Loan term extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	128	129	92
Amortized Cost at Period End | $	$ 26	$ 16	$ 11
Below market rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	86	177	254
Amortized Cost at Period End | $	$ 9	$ 20	$ 40
Discharge from bankruptcy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	106	128	216
Amortized Cost at Period End | $	$ 5	$ 10	$ 9