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DERIVATIVES - Effect of Customer Derivatives and Economic Hedges on Net Income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | $ 178 | $ 95 | $ 534 | $ 167
Economic hedges | Foreign exchange and interest rate products | Customer interest rate contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | 180 | 425 | 1,269 | 654
Economic hedges | Foreign exchange and interest rate products | Customer foreign exchange contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | 23 | (47) | (7) | (81)
Economic hedges | Foreign exchange and interest rate products | Derivative transactions to hedge interest rate risk |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | (161) | (410) | (1,246) | (627)
Economic hedges | Foreign exchange and interest rate products | Derivative transactions to hedge foreign exchange risk |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | (50) | 54 | 49 | 94
Economic hedges | Foreign exchange and interest rate products | Other derivative contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | 7 | 0 | (56) | 0
Economic hedges | Foreign exchange and interest rate products | Derivative transactions to hedge other derivative risk |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | (7) | 0 | 57 | 0
Economic hedges | Mortgage banking fees | Residential loan commitments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | 14 | 11 | 154 | 16
Economic hedges | Mortgage banking fees | Derivative contracts used to hedge residential loan commitments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | 110 | (9) | (19) | (5)
Economic hedges | Mortgage banking fees | Derivative contracts used to hedge residential MSRs |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amounts Recognized in Noninterest Income | $ 62 | $ 71 | $ 333 | $ 116

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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 http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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