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DERIVATIVES - Effect of Customer Derivatives and Economic Hedges on Net Income (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | $ 153 | $ 112 | $ (72)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Fees and Commissions, Mortgage Banking and Servicing, Foreign exchange and derivative products | Fees and Commissions, Mortgage Banking and Servicing, Foreign exchange and derivative products | Fees and Commissions, Mortgage Banking and Servicing, Foreign exchange and derivative products
Economic hedges | Customer interest rate contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | $ (505) | $ (2,027) | $ (374)
Economic hedges | Derivatives hedging interest rate risk |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | 551 | 2,090 | 401
Economic hedges | Customer foreign exchange contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | 94 | (180) | (207)
Economic hedges | Derivatives hedging foreign exchange risk |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | 14 | 313 | 305
Economic hedges | Customer commodity contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | (900) | 1,121 | 779
Economic hedges | Derivatives hedging commodity price risk |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | 941 | (1,097) | (770)
Economic hedges | Residential loan commitments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | (34) | (284) | (208)
Economic hedges | Derivatives hedging residential loan commitments and mortgage LHFS, at fair value |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | 25 | 489 | 152
Economic hedges | Derivative contracts used to hedge residential MSRs |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Amounts Recognized in Noninterest Income | $ (33) | $ (313) | $ (150)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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