Loans and Leases - Summary of Payment Status of Loans Modified (Parenthetical) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	$ 123
Past Due 90 Days or More	49
Guaranteed by Government-Related Entities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-89 Days Past Due	40
Past Due 90 Days or More	$ 24