AVAILABLE-FOR-SALE DEBT SECURITIES AND EQUITY SECURITIES - Summary of Available-for-Sale Debt Securities by Contractual Maturity (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Amortized Cost
Within one year	$ 1,267
After one year through five years	1,153
After five years through ten years	9
After ten years	2
Amortized Cost	2,430	$ 2,325
Fair Value
Within one year	1,262
After one year through five years	1,153
After five years through ten years	9
After ten years	2
Fair Value	$ 2,426	$ 2,293