INVESTMENTS - Summary of Investments by Major Security Type (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Cost		$ 1,819	$ 1,231
Gross Unrealized Gains /Upward Adjustments		1,611	2,249
Gross Unrealized Losses /Downward Adjustments		(641)	(305)
Carrying Value		2,789	3,175
Short-term investments, cost		176
Short-term investments, gross unrealized gain		0
Short-term investments, gross unrealized loss		(1)
Short-Term Investments		175	25
Long-term Investments
Debt securities:
Cost		576
Gross Unrealized Gains /Upward Adjustments		0
Gross Unrealized Losses /Downward Adjustments		(11)
Carrying Value		565
Debt Securities, Trading, and Equity Securities, FV-NI [Abstract]
Equity securities, cost		1,243	1,231
Equity securities, unrealized gain		1,611	2,249
equity securities, unrealized loss		(630)	(305)
Equity securities		2,224	3,175
International government securities | Short-term Investments
Debt securities:
Cost		13
Gross Unrealized Gains /Upward Adjustments		0
Gross Unrealized Losses /Downward Adjustments		0
Carrying Value		13
International government securities | Long-term Investments
Debt securities:
Cost		63
Gross Unrealized Gains /Upward Adjustments		0
Gross Unrealized Losses /Downward Adjustments		(1)
Carrying Value		62
U.S. government securities | Short-term Investments
Debt securities:
Cost	[1]	131
Gross Unrealized Gains /Upward Adjustments	[1]	0
Gross Unrealized Losses /Downward Adjustments	[1]	(1)
Carrying Value	[1]	130
U.S. government securities | Long-term Investments
Debt securities:
Cost	[1]	147
Gross Unrealized Gains /Upward Adjustments	[1]	0
Gross Unrealized Losses /Downward Adjustments	[1]	(3)
Carrying Value	[1]	144
Corporate debt securities | Short-term Investments
Debt securities:
Cost		32	25
Gross Unrealized Gains /Upward Adjustments		0	0
Gross Unrealized Losses /Downward Adjustments		0	0
Carrying Value		32	25
Corporate debt securities | Long-term Investments
Debt securities:
Cost		366
Gross Unrealized Gains /Upward Adjustments		0
Gross Unrealized Losses /Downward Adjustments		(7)
Carrying Value		359
Equity securities with readily determinable fair values | Long-term Investments
Equity securities with readily determinable fair values
Cost		1,165	1,165
Gross Unrealized Gains /Upward Adjustments		1,352	1,990
Gross Unrealized Losses /Downward Adjustments		(446)	(305)
Carrying Value		2,071	2,850
Equity securities of private companies | Long-term Investments
Equity securities of private companies
Cost		78	66
Gross Unrealized Gains /Upward Adjustments		259	259
Gross Unrealized Losses /Downward Adjustments		(184)	0
Carrying Value		$ 153	$ 325

[1] Includes investments in U.S. municipal bonds.