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ALLOWANCE FOR CREDIT LOSSES - Allowance Roll-forward (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
ALLL balance, beginning of period | $ 2,331 | $ 2,304 | $ 2,244 | $ 2,255
Loan and lease charge-offs | (137) | (129) | (381) | (402)
Recoveries of loans and leases previously charged-off | 62 | 36 | 154 | 127
Provision for loan and lease losses | 118 | 24 | 357 | 255
ALLL balance, end of period | 2,374 | 2,235 | 2,374 | 2,235
AULC balance, beginning of period | 184 | 119 | 202 | 145
Provision for unfunded lending commitments | 4 | 82 | (14) | 56
AULC balance, end of period | 188 | 201 | 188 | 201
ACL balance, end of period | 2,562 | 2,436 | 2,562 | 2,436
Commercial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
ALLL balance, beginning of period | 1,548 | 1,587 | 1,484 | 1,563
Loan and lease charge-offs | (80) | (74) | (210) | (243)
Recoveries of loans and leases previously charged-off | 44 | 20 | 99 | 77
Provision for loan and lease losses | 56 | (35) | 195 | 101
ALLL balance, end of period | 1,568 | 1,498 | 1,568 | 1,498
AULC balance, beginning of period | 124 | 64 | 144 | 66
Provision for unfunded lending commitments | 1 | 76 | (19) | 74
AULC balance, end of period | 125 | 140 | 125 | 140
ACL balance, end of period | 1,693 | 1,638 | 1,693 | 1,638
Consumer |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
ALLL balance, beginning of period | 783 | 717 | 760 | 692
Loan and lease charge-offs | (57) | (55) | (171) | (159)
Recoveries of loans and leases previously charged-off | 18 | 16 | 55 | 50
Provision for loan and lease losses | 62 | 59 | 162 | 154
ALLL balance, end of period | 806 | 737 | 806 | 737
AULC balance, beginning of period | 60 | 55 | 58 | 79
Provision for unfunded lending commitments | 3 | 6 | 5 | (18)
AULC balance, end of period | 63 | 61 | 63 | 61
ACL balance, end of period | $ 869 | $ 798 | $ 869 | $ 798

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- Definition Financing Receivable, Allowance For Credit Loss And Off Balance Sheet, Credit Loss, Liability + 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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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 + Details
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482454/460-10-45-1 + Details
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