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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of interest income from net investment in direct financing lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of FHLB debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of other debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

+ References

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LOANS AND LEASES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest receivable	$ 450	$ 449
Interest income on direct financing and sales-type leases	49	64	$ 77
Retail \| Residential mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral for FHLB borrowed funds	26,100	25,500
Retail and Commercial \| Auto, commercial and commercial real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral to support the contingent ability to borrow at the FRB discount window	$ 35,800	$ 40,000
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term of contract	3 years
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term of contract	10 years