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DERIVATIVES - Schedule of Fair Value Hedges (Details) - Interest rate swap - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Interest expense - long-term borrowed funds |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative | $ (19) | $ (13) | $ (71) | $ (51)
Hedged item | 19 | 13 | 70 | 50
Interest and fees on loans and leases |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative | 18 | 0 | 15 | 0
Hedged item | (19) | 0 | (15) | 0
Interest income - investment securities |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Derivative | 0 | 7 | 29 | 39
Hedged item | $ 0 | $ (7) | $ (29) | $ (39)

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- Definition Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=121577467&loc=d3e76258-113986 + Details
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