Derivatives and Hedging Activities - Schedule of Credit Derivatives Sold and Held (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Credit Derivatives [Line Items]
Notional Amount	$ 1	$ 1
Payment / Performance Risk	0.00%	0.00%
Other
Credit Derivatives [Line Items]
Notional Amount	$ 1	$ 1
Average Term (Years)	8 years 5 months 4 days	15 years 2 months 1 day
Payment / Performance Risk	6.03%	5.10%