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Loans and Leases - Balances of Commercial Loan Portfolio Classes, Disaggregated by PD Grade (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | $ 62,781 | $ 61,292
Commercial: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 1,669 | 4,124
Financing receivable, originated year two | 3,953 | 5,832
Financing receivable, originated year three | 5,363 | 3,664
Financing receivable, originated year four | 3,314 | 1,743
Financing receivable, originated year five | 1,489 | 1,805
Financing receivable, originated prior to year five | 4,891 | 3,605
LMC | 2,934 | 2,024
Revolving Loans | 9,512 | 9,460
Revolving Loans Converted to Term Loans | 327 | 376
Loans and leases | 33,452 | 32,633
Commercial: | Commercial and industrial | PD Grade 1 -12 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 1,623 | 4,008
Financing receivable, originated year two | 3,772 | 5,637
Financing receivable, originated year three | 5,184 | 3,506
Financing receivable, originated year four | 3,139 | 1,636
Financing receivable, originated year five | 1,446 | 1,665
Financing receivable, originated prior to year five | 4,569 | 3,448
LMC | 2,934 | 2,019
Revolving Loans | 8,963 | 9,087
Revolving Loans Converted to Term Loans | 278 | 327
Loans and leases | 31,908 | 31,333
Commercial: | Commercial and industrial | PD Grade 13 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 45 | 75
Financing receivable, originated year two | 133 | 60
Financing receivable, originated year three | 71 | 64
Financing receivable, originated year four | 65 | 56
Financing receivable, originated year five | 18 | 101
Financing receivable, originated prior to year five | 149 | 57
LMC | 0 | 0
Revolving Loans | 361 | 186
Revolving Loans Converted to Term Loans | 28 | 0
Loans and leases | 870 | 599
Commercial: | Commercial and industrial | PD Grade 14 ,15 and 16 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 1 | 41
Financing receivable, originated year two | 48 | 135
Financing receivable, originated year three | 108 | 94
Financing receivable, originated year four | 110 | 51
Financing receivable, originated year five | 25 | 39
Financing receivable, originated prior to year five | 173 | 100
LMC | 0 | 5
Revolving Loans | 188 | 187
Revolving Loans Converted to Term Loans | 21 | 49
Loans and leases | 674 | 701
Commercial: | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and leases | 14,669 | 14,216
Commercial: | Commercial real estate | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 288 | 858
Financing receivable, originated year two | 1,050 | 3,476
Financing receivable, originated year three | 3,856 | 3,652
Financing receivable, originated year four | 3,678 | 1,259
Financing receivable, originated year five | 1,214 | 1,566
Financing receivable, originated prior to year five | 4,221 | 2,994
Revolving Loans | 362 | 393
Revolving Loans Converted to Term Loans | 0 | 18
Loans and leases | 14,669 | 14,216
Commercial: | Commercial real estate | PD Grade 1 -12 | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 288 | 853
Financing receivable, originated year two | 1,046 | 3,473
Financing receivable, originated year three | 3,580 | 3,518
Financing receivable, originated year four | 3,470 | 1,162
Financing receivable, originated year five | 1,071 | 1,216
Financing receivable, originated prior to year five | 3,635 | 2,853
Revolving Loans | 356 | 393
Revolving Loans Converted to Term Loans | 0 | 18
Loans and leases | 13,446 | 13,486
Commercial: | Commercial real estate | PD Grade 13 | 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 | 209 | 129
Financing receivable, originated year four | 94 | 86
Financing receivable, originated year five | 31 | 175
Financing receivable, originated prior to year five | 134 | 82
Revolving Loans | 0 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Loans and leases | 469 | 478
Commercial: | Commercial real estate | PD Grade 14 ,15 and 16 | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, originated year one | 0 | 0
Financing receivable, originated year two | 3 | 2
Financing receivable, originated year three | 67 | 5
Financing receivable, originated year four | 114 | 11
Financing receivable, originated year five | 112 | 175
Financing receivable, originated prior to year five | 452 | 59
Revolving Loans | 6 | 0
Revolving Loans Converted to Term Loans | 0 | 0
Loans and leases | $ 754 | $ 252

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