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Percentage Contributed By Segment Loans

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
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Amount, before allowance for credit loss, of accrued interest on financing receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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- Definition

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Loans and Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest	$ 258		$ 271
Net loans and leases	61,393		61,750
Loans and leases	$ 62,215		62,565
Credit Card Workout Program rate reduction, interest rate floor	0.00%
Credit Card Workout Program term extension, maximum period	5 years
Loans modified with subsequent default, amount	$ 1	$ 1
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit Card Hardship Program, rate and payment reduction, period	6 months
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credit Card Hardship Program, rate and payment reduction, period	1 year
Commercial: \| Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades	1
Commercial: \| Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades	16
Commercial: \| Loans to mortgage companies
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 3,369		3,471
Commercial: \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	33,354		33,428
Commercial: \| Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	14,139		14,421
Consumer:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	14,089		14,047
Finance and Insurance Companies \| Commercial: \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 3,500
Financial Services Industry Loans \| Commercial: \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage contributed	20.00%
C&I \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 356		352
C&I \| Commercial: \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	29,985		29,957
C&I \| Commercial: \| Commercial and industrial \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	122
Commercial Real Estate \| Commercial: \| Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	14,139		14,421
Commercial Real Estate \| Commercial: \| Commercial real estate \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	234
Asset Pledged as Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net loans and leases	45,700		45,800
Asset Pledged as Collateral \| Consumer:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, allowance for credit loss, writeoff, collateral	0	$ 0
Asset Pledged as Collateral \| C&I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, allowance for credit loss, writeoff, collateral	24
Asset Pledged as Collateral \| Home Equity Line of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	6		6
Asset Pledged as Collateral \| R E Installment Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 38		$ 36