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Derivatives - Derivatives Associated with Interest Rate Risk Management Activities (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Customer interest rate contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | $ 4,094 | $ 4,096
Assets | 18 | 8
Liabilities | 146 | 190
Customer interest rate contracts | Customer Interest Rate Contracts Hedging | Hedging Instruments And Hedged Items |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 8,230 | 8,301
Assets | 28 | 10
Liabilities | 278 | 372
Offsetting upstream interest rate contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 4,275 | 4,265
Assets | 100 | 134
Liabilities | 18 | 9
Offsetting upstream interest rate contracts | Customer Interest Rate Contracts Hedging | Hedging Instruments And Hedged Items |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional | 8,530 | 8,301
Assets | 276 | 369
Liabilities | $ 28 | $ 11

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- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References No definition available. + Details
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