INVESTMENTS - Carrying Value of Non-marketable Equity Securities Measured Using the Measurement Alternative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract]
Measurement alternative—carrying value	$ 1,621		$ 1,621		$ 1,676
Measurement alternative—impairment losses	27	$ 17	90	$ 23
Measurement alternative—downward changes for observable prices	4	0	24	0
Measurement alternative—upward changes for observable prices	17	7	49	$ 141
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract]
Measurement alternative—impairment losses	299		299
Measurement alternative—downward changes for observable prices	28		28
Measurement alternative—upward changes for observable prices	913		$ 913
Non-marketable equity securities, impairment loss recognized in earnings	$ 0	$ 0