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Credit Quality and the Allowance for Loan and Lease Losses - Summary of Amortized Cost Basis of Modifications to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | $ 54 | $ 23
Term Extension |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 8
Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 4 | 4
Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 11 | 1
Term Extension and Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 1
Term Extension and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 37 | 9
Term Extension, Interest Rate Reduction and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 2 | 0
Commercial | Commercial and industrial loans |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 17 | 9
Commercial | Commercial and industrial loans | Term Extension |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 8
Commercial | Commercial and industrial loans | Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial and industrial loans | Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 11 | 0
Commercial | Commercial and industrial loans | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 1
Commercial | Commercial and industrial loans | Term Extension and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 6 | 0
Commercial | Commercial and industrial loans | Term Extension, Interest Rate Reduction and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial mortgage owner-occupied loans |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 24 | 0
Commercial | Commercial mortgage owner-occupied loans | Term Extension |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial mortgage owner-occupied loans | Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial mortgage owner-occupied loans | Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial mortgage owner-occupied loans | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Commercial | Commercial mortgage owner-occupied loans | Term Extension and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 24 | 0
Commercial | Commercial mortgage owner-occupied loans | Term Extension, Interest Rate Reduction and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Residential Mortgage |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 9 | 9
Residential Mortgage | Term Extension |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Residential Mortgage | Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Residential Mortgage | Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 1
Residential Mortgage | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Residential Mortgage | Term Extension and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 7 | 8
Residential Mortgage | Term Extension, Interest Rate Reduction and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 2 | 0
Consumer | Home equity |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 1 | 1
Consumer | Home equity | Term Extension |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Home equity | Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 1 | 0
Consumer | Home equity | Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Home equity | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Home equity | Term Extension and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 1
Consumer | Home equity | Term Extension, Interest Rate Reduction and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Credit card |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 3 | 4
Consumer | Credit card | Term Extension |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Credit card | Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 3 | 4
Consumer | Credit card | Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Credit card | Term Extension and Interest Rate Reduction |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Credit card | Term Extension and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | 0 | 0
Consumer | Credit card | Term Extension, Interest Rate Reduction and Payment Delay |  |
Financing Receivable, Allowance for Credit Losses |  |
Amortized cost basis of the modifications to borrowers experiencing financial difficulty | $ 0 | $ 0

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