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Loans and Leases and the Allowance for Credit Losses - Changes in Allowance for Credit Losses (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | $ 2,191 | $ 1,975 | $ 2,129 | $ 1,925
Provision for credit losses | 150 | 150 | 350 | 270
Charge-offs | 180 | 162 | 343 | 257
Recoveries | 43 | 35 | 68 | 60
Net charge-offs | (137) | (127) | (275) | (197)
Ending balance | 2,204 | 1,998 | 2,204 | 1,998
Commercial and industrial |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 684 | 579 | 620 | 568
Provision for credit losses | 176 | 12 | 313 | 33
Charge-offs | 78 | 24 | 156 | 44
Recoveries | 8 | 16 | 13 | 26
Net charge-offs | (70) | (8) | (143) | (18)
Ending balance | 790 | 583 | 790 | 583
Commercial Real Estate |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 754 | 669 | 764 | 611
Provision for credit losses | (70) | 122 | (61) | 208
Charge-offs | 43 | 99 | 68 | 128
Recoveries | 17 | 2 | 23 | 3
Net charge-offs | (26) | (97) | (45) | (125)
Ending balance | 658 | 694 | 658 | 694
Residential Real Estate |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 118 | 113 | 116 | 115
Provision for credit losses | (8) | 3 | (6) | 2
Charge-offs | 2 | 1 | 3 | 3
Recoveries | 2 | 3 | 3 | 4
Net charge-offs | 0 | 2 | 0 | 1
Ending balance | 110 | 118 | 110 | 118
Consumer: |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | 635 | 614 | 629 | 631
Provision for credit losses | 52 | 13 | 104 | 27
Charge-offs | 57 | 38 | 116 | 82
Recoveries | 16 | 14 | 29 | 27
Net charge-offs | (41) | (24) | (87) | (55)
Ending balance | $ 646 | $ 603 | $ 646 | $ 603

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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