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Fair Value of Assets and Liabilities - Schedule Of Unobservable Inputs Utilized In Determining The Fair Value Of Level 3 Recurring And Non-Recurring Measurements (Details) $ in Millions | Mar. 31, 2024 USD ($) month | Dec. 31, 2023 USD ($) month
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale at fair value | $ 8,148 | $ 8,391
Loans held-for-sale | 84 | 68
Derivative Liabilities, fair value | 795 | 675
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative Liabilities, fair value | 20 | 23
Loans and leases, fair value | 244 | 245
OREO, fair value | 4 | 4
Level 3 | Other Assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other assets |  | 90
Level 3 | Residential Real Estate | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale | 14 | 26
Level 3 | Interest-only strips | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Securities available for sale at fair value | $ 19 | $ 13
Constant prepayment rate | Level 3 | Interest-only strips | Minimum | Discounted cash flow | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, available-for-sale, measurement input | 0.14 | 0.14
Constant prepayment rate | Level 3 | Interest-only strips | Maximum | Discounted cash flow | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, available-for-sale, measurement input | 0.20 | 0.15
Constant prepayment rate | Level 3 | Interest-only strips | Weighted Average | Discounted cash flow | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, available-for-sale, measurement input | 0.14 | 0.14
Bond equivalent yield | Level 3 | Interest-only strips | Minimum | Discounted cash flow | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, available-for-sale, measurement input | 0.16 | 0.18
Bond equivalent yield | Level 3 | Interest-only strips | Maximum | Discounted cash flow | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, available-for-sale, measurement input | 0.20 | 0.21
Bond equivalent yield | Level 3 | Interest-only strips | Weighted Average | Discounted cash flow | Trading Securities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, available-for-sale, measurement input | 0.19 | 0.18
Prepayment speeds - First mortgage | Level 3 | Loans held for sale—first mortgages | Minimum | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.02 | 0.02
Prepayment speeds - First mortgage | Level 3 | Loans held for sale—first mortgages | Maximum | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.06 | 0.07
Prepayment speeds - First mortgage | Level 3 | Loans held for sale—first mortgages | Weighted Average | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.03 | 0.03
Foreclosure losses | Level 3 | Residential Real Estate | Minimum | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.63 | 0.64
Foreclosure losses | Level 3 | Residential Real Estate | Maximum | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.67 | 0.68
Foreclosure losses | Level 3 | Residential Real Estate | Weighted Average | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.65 | 0.65
Loss severity trends - First mortgage | Level 3 | Loans held for sale—first mortgages | Minimum | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0 | 0
Loss severity trends - First mortgage | Level 3 | Loans held for sale—first mortgages | Maximum | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.02 | 0.03
Loss severity trends - First mortgage | Level 3 | Loans held for sale—first mortgages | Weighted Average | Discounted cash flow | Loans Held For Sale, Residential Real Estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held-for-sale, measurement input | 0.01 | 0.02
Visa covered litigation resolution amount | Level 3 | Minimum | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input, value | $ 5,700 | $ 5,700
Visa covered litigation resolution amount | Level 3 | Maximum | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input, value | 6,700 | 6,700
Visa covered litigation resolution amount | Level 3 | Weighted Average | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input, value | $ 6,300 | $ 6,300
Probability of resolution scenarios | Level 3 | Minimum | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input | 0.10 | 0.10
Probability of resolution scenarios | Level 3 | Maximum | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input | 0.25 | 25
Probability of resolution scenarios | Level 3 | Weighted Average | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input | 0.18 | 0.18
Time until resolution | Level 3 | Minimum | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input | month | 3 | 6
Time until resolution | Level 3 | Maximum | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input | month | 33 | 36
Time until resolution | Level 3 | Weighted Average | Discounted cash flow |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative liabilities, measurement input | month | 22 | 24
Marketability adjustments for specific properties | Level 3 | Minimum | Appraisals from comparable properties |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0 | 0
Marketability adjustments for specific properties | Level 3 | Minimum | Appraisals from comparable properties | Other Assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other assets, measurement input |  | 0
Marketability adjustments for specific properties | Level 3 | Maximum | Appraisals from comparable properties |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0.25 | 0.25
Marketability adjustments for specific properties | Level 3 | Maximum | Appraisals from comparable properties | Other Assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other assets, measurement input |  | 25
Borrowing base certificates liquidation adjustment | Level 3 | Minimum | Other collateral valuations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0.25 | 0.25
Borrowing base certificates liquidation adjustment | Level 3 | Maximum | Other collateral valuations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0.50 | 0.50
Adjustment for value changes since appraisal | Level 3 | Minimum | Appraisals from comparable properties |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
OREO measurement input | 0 | 0
Adjustment for value changes since appraisal | Level 3 | Maximum | Appraisals from comparable properties |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
OREO measurement input | 0.10 | 0.10
Measurement Input, Adjustments To Current Sales Yields For Specific Properties | Level 3 | Minimum | Discounted cash flow | Other Assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other assets, measurement input |  | 0
Measurement Input, Adjustments To Current Sales Yields For Specific Properties | Level 3 | Maximum | Discounted cash flow | Other Assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other assets, measurement input |  | 0.15
Auction appraisals marketability adjustment | Level 3 | Minimum | Other collateral valuations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0 | 0
Auction appraisals marketability adjustment | Level 3 | Maximum | Other collateral valuations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0.10 | 0.10
Financial Statements liquidation adjustment | Level 3 | Minimum | Other collateral valuations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 0.50 | 0.50
Financial Statements liquidation adjustment | Level 3 | Maximum | Other collateral valuations |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans and leases, measurement input | 1 | 1

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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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