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Fair Value Measurements - Narrative (Details) - Designated as Hedging Instrument - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
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Seven Fixed-to-Floating Interest Rate Swaps | Fair Value Hedging |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Interest rate fair value hedge asset at fair value | $ 20 | $ 7
Fair value hedge derivative instrument liabilities at fair value | 110 | $ 123
Forward Starting Interest Rate Swap | Cash Flow Hedge |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Cash flow hedge derivative instrument assets at fair value | 0 |
Cash flow hedge derivative instrument liabilities at fair value | $ 0 |

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