This is the principal amount of loans (across all types of loans) that are overdue in payment by a set number of days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (e)(4)
-URI http://asc.fasb.org/extlink&oid=118948506&loc=d3e107314-111719

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- Definition

Amount of credit loss after recoveries for transferred financial assets that continue to be recognized in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (e)(5)
-URI http://asc.fasb.org/extlink&oid=118948506&loc=d3e107314-111719

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- Definition

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.

+ References

No definition available.

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SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Loan Delinquencies and Liquidation Losses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Residential mortgages
Variable Interest Entity
Securitized assets	$ 11,800		$ 11,700
Liquidation losses	11	$ 11
Commercial and other
Variable Interest Entity
Securitized assets	20,500		22,300
Liquidation losses	0	0
Mortgage securitizations - Non-agency-sponsored
Variable Interest Entity
Securitized assets	32,300		34,000
Liquidation losses	11	$ 11
Personal loan
Variable Interest Entity
Securitized assets	300
90 days past due \| Residential mortgages
Variable Interest Entity
Securitized assets	300		400
90 days past due \| Commercial and other
Variable Interest Entity
Securitized assets	0		0
90 days past due \| Mortgage securitizations - Non-agency-sponsored
Variable Interest Entity
Securitized assets	$ 300		$ 400