INVESTMENTS - Summary of Investments by Major Security Type (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Long-term investments:
Carrying Value	$ 2,381	$ 3,175
Short-term Investments \| Debt securities
Debt Securities, Available-for-sale [Abstract]
Cost	25	25
Gross Unrealized Gains/Upward Adjustments	0	0
Gross Unrealized Losses/Downward Adjustments	0	0
Carrying Value	25	25
Long-term investments
Long-term investments:
Cost	1,243	1,231
Gross Unrealized Gains /Upward Adjustments	1,802	2,249
Gross Unrealized Losses /Downward Adjustments	(664)	(305)
Carrying Value	2,381	3,175
Long-term investments \| Investment in private company equity securities
Equity security investments in private companies:
Cost	78	66
Gross Unrealized Gains /Upward Adjustments	259	259
Gross Unrealized Losses /Downward Adjustments	(184)	0
Carrying Value	153	325
Long-term investments \| Equity securities with readily determinable fair values
Equity security investments with readily determinable fair value:
Cost	1,165	1,165
Gross Unrealized Gains /Upward Adjustments	1,543	1,990
Gross Unrealized Losses /Downward Adjustments	(480)	(305)
Carrying Value	$ 2,228	$ 2,850

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