INVESTMENTS - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
AFS securities, gross realized Gain (Loss)		$ 0
AFS securities, gross realized losses	$ 11,000,000		$ 11,000,000
AFS securities, gross realized Gain	$ 0
2029 Notes
Debt Securities, Available-for-sale [Line Items]
Fair value of notes payable		423,000,000		$ 413,000,000
2031 Notes
Debt Securities, Available-for-sale [Line Items]
Fair value of notes payable		$ 396,000,000