INVESTMENTS - Carrying Value of Non-marketable Equity Securities Measured Using the Measurement Alternative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract]
Measurement alternative—carrying value	$ 1,706		$ 1,639
Measurement alternative—impairment losses	16	$ 35
Measurement alternative—downward changes for observable prices	0	20
Measurement alternative—upward changes for observable prices	49	30
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract]
Measurement alternative—impairment losses	351
Measurement alternative—downward changes for observable prices	34
Measurement alternative—upward changes for observable prices	999
Non-marketable equity securities, impairment loss recognized in earnings	$ 0	$ 0