Credit Quality and the Allowance for Loan and Lease Losses - Summary of the ALLL and Related Loans and Leases Classified by Portfolio Segment (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
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Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||||
Individually evaluated | $ 196 | $ 117 | ||||||||
Collectively evaluated | 2,216 | 2,235 | ||||||||
Total ALLL | 2,412 | [1] | $ 2,384 | 2,352 | [1] | $ 2,288 | $ 2,318 | $ 2,322 | ||
Individually evaluated | 701 | 622 | ||||||||
Collectively evaluated | 121,588 | 119,061 | ||||||||
Total portfolio loans and leases | 122,289 | 119,683 | ||||||||
Leveraged leases | 242 | 248 | ||||||||
Commercial Leveraged Leases | ||||||||||
Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||||
Total ALLL | 1 | 1 | ||||||||
Commercial | ||||||||||
Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||||
Individually evaluated | 181 | 106 | ||||||||
Collectively evaluated | 1,112 | 1,048 | ||||||||
Total ALLL | 1,293 | 1,241 | 1,154 | 1,113 | 1,141 | 1,130 | ||||
Individually evaluated | 452 | 395 | ||||||||
Collectively evaluated | 73,700 | 72,898 | ||||||||
Total portfolio loans and leases | 74,152 | 73,293 | ||||||||
Residential Mortgage | ||||||||||
Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||||
Individually evaluated | 1 | 0 | ||||||||
Collectively evaluated | 133 | 146 | ||||||||
Total ALLL | 134 | 139 | 146 | 136 | 140 | 145 | ||||
Individually evaluated | 141 | 131 | ||||||||
Collectively evaluated | 17,433 | 17,304 | ||||||||
Total portfolio loans and leases | 17,574 | 17,435 | ||||||||
Residential mortgage loans | 107 | 108 | 109 | |||||||
Consumer | ||||||||||
Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||||
Individually evaluated | 14 | 11 | ||||||||
Collectively evaluated | 971 | 1,041 | ||||||||
Total ALLL | 985 | $ 1,004 | 1,052 | $ 1,039 | $ 1,037 | $ 1,047 | ||||
Individually evaluated | 108 | 96 | ||||||||
Collectively evaluated | 30,455 | 28,859 | ||||||||
Total portfolio loans and leases | $ 30,563 | $ 28,955 | ||||||||
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