OTHER INCOME (EXPENSE), NET (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Interest and dividend income		$ 54	$ 152	$ 187
Net gains (losses) on marketable equity securities	[1]	1,811	745	(367)
Impairment of investment	[1]	(100)	0	0
Foreign currency transaction losses		(207)	(31)	(53)
Other		(4)	13	(4)
Other income (expense), net		$ 1,554	$ 879	$ (237)

[1] See Note 5 for additional information related to the net gains (losses) on marketable equity securities and impairment of investment.