Amount of write-down from impairment of an investment in a qualified affordable housing project.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
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Amount, before allowance for credit loss, of financing receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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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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VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Variable Interest Entity
Lending to special purpose entities included in loans and leases	$ 125,713		$ 125,713		$ 119,088
LIHTC Investments
Variable Interest Entity
Net impairment losses recognized in earnings	0	$ 0	0	$ 0
Commitments to extend credit \| Special Purpose Entities
Variable Interest Entity
Commitment amount	1,000		1,000		1,200
Commercial \| Special Purpose Entities
Variable Interest Entity
Lending to special purpose entities included in loans and leases	$ 1,499		$ 1,499		$ 1,101