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SECURITIES - Schedule of Securities Pledged (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
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Pledged against derivatives, to qualify for fiduciary powers, and to secure public and other deposits as required by law |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Debt securities at amortized cost | $ 3,910 | $ 4,816
Debt securities at fair value | 3,457 | 4,782
Pledged as collateral for FHLB borrowing capacity |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Debt securities at amortized cost | 244 | 325
Debt securities at fair value | 214 | 333
Pledged against repurchase agreements |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Debt securities at amortized cost | 0 | 1
Debt securities at fair value | $ 0 | $ 1

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- Definition Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References No definition available. + Details
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=SL120269820-111563 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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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. + Details
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- Details
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