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Derivative And Credit-Related Financial Instruments (Schedule Of Financial Instruments With Off-Balance Sheet Credit Risk) (Details) - Maximum - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Unused Commitments to Extend Credit |  |
Credit Related Financial Instrument [Line Items] |  |
Loss contingency, estimate of possible loss | $ 32,526 | $ 34,817
Commercial and other | Unused Commitments to Extend Credit |  |
Credit Related Financial Instrument [Line Items] |  |
Loss contingency, estimate of possible loss | 28,357 | 30,800
Bankcard, revolving credit and home equity loan commitments | Unused Commitments to Extend Credit |  |
Credit Related Financial Instrument [Line Items] |  |
Loss contingency, estimate of possible loss | 4,169 | 4,017
Standby letters of credit |  |
Credit Related Financial Instrument [Line Items] |  |
Loss contingency, estimate of possible loss | 3,521 | 3,712
Commercial letters of credit |  |
Credit Related Financial Instrument [Line Items] |  |
Loss contingency, estimate of possible loss | $ 42 | $ 39

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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-9 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-2 + Details
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- Details
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- Details
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Balance Type: |
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- Details
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Balance Type: |
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- Details
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- Details
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- Details
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