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Derivative And Credit-Related Financial Instruments (Schedule Of Net Gains Recognized In Income On Customer-Initiated Derivatives) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net derivative gain recognized in income | $ 35 | $ 20 | $ 86 | $ 72
Customer-initiated and other activities |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net derivative gain recognized in income | 35 | 20 | 86 | 72
Interest rate contracts | Customer-initiated and other activities |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net derivative gain recognized in income | 9 | 2 | 28 | 26
Energy contracts | Customer-initiated and other activities |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net derivative gain recognized in income | 14 | 7 | 22 | 13
Foreign exchange contracts | Customer-initiated and other activities |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Net derivative gain recognized in income | $ 12 | $ 11 | $ 36 | $ 33

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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 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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