INVESTMENTS - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
AFS securities, gross realized gain (loss)		$ 0
AFS securities, gross unrealized losses	$ 7,000,000
Gross unrealized losses related to AFS investments in an unrealized loss position for greater than 12 months	4,000,000	$ 0	$ 0
2029 Notes Payable
Debt Securities, Available-for-sale [Line Items]
Fair value of notes payable	$ 413,000,000		443,000,000
2031 Notes Payable
Debt Securities, Available-for-sale [Line Items]
Fair value of notes payable			$ 414,000,000