Derivatives and Hedging Activities - Schedule of Credit Derivatives Sold and Held (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Credit Derivatives [Line Items]
Notional Amount		$ 0	$ 1
Payment / Performance Risk		0.00%	0.00%
Other
Credit Derivatives [Line Items]
Notional Amount		$ 0	$ 1
Average Term (Years)	15 years 2 months 1 day	4 years 21 days
Payment / Performance Risk		2.47%	5.10%