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Credit Quality and the Allowance for Loan and Lease Losses - Summary of Recorded Investment in Portfolio Loans and Leases by Age and Class (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases | [1] | $ 122,191 | $ 119,791
Commercial |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 75,137 | 73,293
90 Days Past Due and Still Accruing |  | 8 | 6
Commercial | Current |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 74,720 | 73,047
Commercial | Total Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 417 | 246
Commercial | 30 to 89 Days |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 201 | 155
Commercial | 90 Days or More |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 216 | 91
Commercial | Commercial and industrial loans |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 53,700 | 52,271
90 Days Past Due and Still Accruing |  | 2 | 5
Commercial | Commercial and industrial loans | Current |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 53,377 | 52,098
Commercial | Commercial and industrial loans | Total Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 323 | 173
Commercial | Commercial and industrial loans | 30 to 89 Days |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 147 | 90
Commercial | Commercial and industrial loans | 90 Days or More |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 176 | 83
Commercial | Commercial mortgage owner-occupied loans |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 6,210 | 6,023
90 Days Past Due and Still Accruing |  | 5 | 0
Commercial | Commercial mortgage owner-occupied loans | Current |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 6,172 | 5,980
Commercial | Commercial mortgage owner-occupied loans | Total Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 38 | 43
Commercial | Commercial mortgage owner-occupied loans | 30 to 89 Days |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 6 | 40
Commercial | Commercial mortgage owner-occupied loans | 90 Days or More |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 32 | 3
Commercial | Commercial mortgage nonowner-occupied loans |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 6,147 | 6,223
90 Days Past Due and Still Accruing |  | 1 | 0
Commercial | Commercial mortgage nonowner-occupied loans | Current |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 6,137 | 6,215
Commercial | Commercial mortgage nonowner-occupied loans | Total Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 10 | 8
Commercial | Commercial mortgage nonowner-occupied loans | 30 to 89 Days |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 3 | 6
Commercial | Commercial mortgage nonowner-occupied loans | 90 Days or More |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 7 | 2
Commercial | Commercial construction loans |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 5,952 | 5,588
90 Days Past Due and Still Accruing |  | 0 | 0
Commercial | Commercial construction loans | Current |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 5,952 | 5,587
Commercial | Commercial construction loans | Total Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 0 | 1
Commercial | Commercial construction loans | 30 to 89 Days |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 0 | 1
Commercial | Commercial construction loans | 90 Days or More |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 0 | 0
Commercial | Commercial leases |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 3,128 | 3,188
90 Days Past Due and Still Accruing |  | 0 | 1
Commercial | Commercial leases | Current |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 3,082 | 3,167
Commercial | Commercial leases | Total Past Due |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 46 | 21
Commercial | Commercial leases | 30 to 89 Days |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | 45 | 18
Commercial | Commercial leases | 90 Days or More |  |  |
Financing Receivable, Recorded Investment, Past Due |  |  |
Total portfolio loans and leases |  | $ 1 | $ 3
[1] | Includes $47 and $51 of other short-term investments, $874 and $1,000 of portfolio loans and leases, $(16) and $(19) of ALLL, $6 and $5 of other assets, $12 and $12 of other liabilities and $774 and $889 of long-term debt from consolidated VIEs that are included in their respective captions above at March 31, 2025 and December 31, 2024, respectively. For further information, refer to Note 7.

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