Recent Accounting Pronouncements (Details) - Fixed-to-Variable Interest Rate Contracts - Derivatives in fair value hedging relationships - Designated as Hedging Instrument $ in Millions	Sep. 30, 2023 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notional amount	$ 6,800
SOFR
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Notional amount	$ 1,225