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DERIVATIVES - Effect of Customer Derivatives and Economic Hedges on Net Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ 86 | $ 15 | $ 201 | $ (93)
Economic hedges | Customer interest rate contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ (840) | $ (10) | $ (2,015) | $ (225)
Derivative, gain (loss), statement of income or comprehensive income | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products
Economic hedges | Derivatives hedging interest rate risk |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ 852 | $ 17 | $ 2,073 | $ 244
Derivative, gain (loss), statement of income or comprehensive income | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products
Economic hedges | Customer foreign exchange contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ (174) | $ (61) | $ (297) | $ (158)
Derivative, gain (loss), statement of income or comprehensive income | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products
Economic hedges | Derivatives hedging foreign exchange risk |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ 271 | $ 95 | $ 520 | $ 234
Derivative, gain (loss), statement of income or comprehensive income | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products
Economic hedges | Customer commodity contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ (71) | $ 468 | $ 1,453 | $ 881
Derivative, gain (loss), statement of income or comprehensive income | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products
Economic hedges | Derivatives hedging commodity price risk |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ 77 | $ (465) | $ (1,436) | $ (874)
Derivative, gain (loss), statement of income or comprehensive income | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products | Foreign exchange and derivative products
Economic hedges | Residential loan commitments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ (66) | $ (13) | $ (289) | $ (184)
Derivative, gain (loss), statement of income or comprehensive income | Mortgage banking fees | Mortgage banking fees | Mortgage banking fees | Mortgage banking fees
Economic hedges | Derivatives hedging residential loan commitments and mortgage loans held for sale, at fair value |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ 105 | $ 4 | $ 502 | $ 138
Derivative, gain (loss), statement of income or comprehensive income | Mortgage banking fees | Mortgage banking fees | Mortgage banking fees | Mortgage banking fees
Economic hedges | Derivative contracts used to hedge residential MSRs |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts recognized in noninterest income | $ (68) | $ (20) | $ (310) | $ (149)
Derivative, gain (loss), statement of income or comprehensive income | Mortgage banking fees | Mortgage banking fees | Mortgage banking fees | Mortgage banking fees

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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