Derivative Financial Instruments - Schedule of Derivative Instruments in Statement of Financial Position Related to Cumulative Basis Adjustment for Fair Value Hedges (Parenthetical) (Details) - USD ($) $ in Billions	Jun. 30, 2024	Dec. 31, 2023
Derivative Instruments, Fair Value Hedges [Line items]
Fair value of closed portfolio	$ 1.8	$ 1.8
Amortized Cost of closed portfolio	$ 3.1	$ 3.2