INVESTMENTS - Carrying Value of Non-marketable Equity Securities Measured Using the Measurement Alternative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract]
Measurement alternative—carrying value	$ 1,670		$ 1,670		$ 1,413
Measurement alternative—impairment losses	6	$ 4	6	$ 4
Measurement alternative—downward changes for observable prices	0	0	0	0
Measurement alternative—upward changes for observable prices	48	215	134	296
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract]
Measurement alternative—impairment losses	86		86
Measurement alternative—downward changes for observable prices	3		3
Measurement alternative—upward changes for observable prices	824		824
Non-marketable equity securities, impairment loss recognized in earnings	$ 0	$ 0	$ 0	$ 0