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Loans and Leases - Balances Of Commercial Loan Portfolio Classes, Disaggregated By PD Grade (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 61,753 | $ 61,292
Commercial and industrial | Commercial: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 706 | 4,124
Financing receivable, originated year two | 4,056 | 5,832
Financing receivable, originated year three | 5,555 | 3,664
Financing receivable, originated year four | 3,508 | 1,743
Financing receivable, originated year five | 1,654 | 1,805
Financing receivable, originated prior to year five | 5,224 | 3,605
LMC | 2,366 | 2,024
Revolving Loans | 9,494 | 9,460
Revolving Loans Converted to Term Loans | 348 | 376
Loans and leases | 32,911 | 32,633
Commercial and industrial | PD Grade 1 -12 | Commercial: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 703 | 4,008
Financing receivable, originated year two | 3,885 | 5,637
Financing receivable, originated year three | 5,346 | 3,506
Financing receivable, originated year four | 3,328 | 1,636
Financing receivable, originated year five | 1,537 | 1,665
Financing receivable, originated prior to year five | 4,874 | 3,448
LMC | 2,362 | 2,019
Revolving Loans | 8,999 | 9,087
Revolving Loans Converted to Term Loans | 309 | 327
Loans and leases | 31,343 | 31,333
Commercial and industrial | PD Grade 13 | Commercial: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 1 | 75
Financing receivable, originated year two | 127 | 60
Financing receivable, originated year three | 73 | 64
Financing receivable, originated year four | 87 | 56
Financing receivable, originated year five | 69 | 101
Financing receivable, originated prior to year five | 167 | 57
LMC | 0 | 0
Revolving Loans | 332 | 186
Revolving Loans Converted to Term Loans | 2 | 0
Loans and leases | 858 | 599
Commercial and industrial | PD Grade 14 ,15 and 16 | Commercial: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 2 | 41
Financing receivable, originated year two | 44 | 135
Financing receivable, originated year three | 136 | 94
Financing receivable, originated year four | 93 | 51
Financing receivable, originated year five | 48 | 39
Financing receivable, originated prior to year five | 183 | 100
LMC | 4 | 5
Revolving Loans | 163 | 187
Revolving Loans Converted to Term Loans | 37 | 49
Loans and leases | 710 | 701
Commercial real estate | Commercial: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 14,426 | 14,216
Commercial real estate | Commercial: | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 104 | 858
Financing receivable, originated year two | 958 | 3,476
Financing receivable, originated year three | 3,693 | 3,652
Financing receivable, originated year four | 3,705 | 1,259
Financing receivable, originated year five | 1,243 | 1,566
Financing receivable, originated prior to year five | 4,364 | 2,994
Revolving Loans | 344 | 393
Revolving Loans Converted to Term Loans | 15 | 18
Loans and leases | 14,426 | 14,216
Commercial real estate | PD Grade 1 -12 | Commercial: | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 104 | 853
Financing receivable, originated year two | 955 | 3,473
Financing receivable, originated year three | 3,611 | 3,518
Financing receivable, originated year four | 3,513 | 1,162
Financing receivable, originated year five | 1,107 | 1,216
Financing receivable, originated prior to year five | 3,869 | 2,853
Revolving Loans | 337 | 393
Revolving Loans Converted to Term Loans | 15 | 18
Loans and leases | 13,511 | 13,486
Commercial real estate | PD Grade 13 | Commercial: | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 0 | 5
Financing receivable, originated year two | 1 | 1
Financing receivable, originated year three | 76 | 129
Financing receivable, originated year four | 182 | 86
Financing receivable, originated year five | 86 | 175
Financing receivable, originated prior to year five | 239 | 82
Revolving Loans | 4 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Loans and leases | 588 | 478
Commercial real estate | PD Grade 14 ,15 and 16 | Commercial: | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 0 | 0
Financing receivable, originated year two | 2 | 2
Financing receivable, originated year three | 6 | 5
Financing receivable, originated year four | 10 | 11
Financing receivable, originated year five | 50 | 175
Financing receivable, originated prior to year five | 256 | 59
Revolving Loans | 3 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Loans and leases | $ 327 | $ 252

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