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MORTGAGE BANKING AND OTHER - Other Serviced Loans (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 123,090	$ 119,088
Education Loans Serviced For Others
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	974	0
SBA Loans Serviced For Others | CBNA and Other Subsidiaries
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 51	$ 33

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No definition available.

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- Definition

Amount, before allowance for credit loss, of financing receivable.

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