FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Carried at Fair Value (Details) - USD ($) $ in Millions		Jun. 30, 2022		Dec. 31, 2021
Investment in private company equity securities | Long-term Investments
LIABILITIES:
Investment in equity securities without readily determinable FV		$ 153		$ 325
Recurring Basis
ASSETS:
Assets at fair value		13,191		13,315
Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		10,850		10,410
Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		77		25
Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value		25		25
Recurring Basis | Equity securities | Long-term Investments
ASSETS:
Assets at fair value		2,228		2,850
Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value		11		5
LIABILITIES:
Liabilities at fair value		24		11
Nonrecurring Basis
ASSETS:
Assets at fair value		122		325
Nonrecurring Basis | Investment in private company equity securities | Long-term Investments
ASSETS:
Assets at fair value		122	[1]	325	[2]
Level 1 | Recurring Basis
ASSETS:
Assets at fair value		13,155		13,285
Level 1 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		10,850		10,410
Level 1 | Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		77		25
Level 1 | Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value		0		0
Level 1 | Recurring Basis | Equity securities | Long-term Investments
ASSETS:
Assets at fair value		2,228		2,850
Level 1 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value		0		0
LIABILITIES:
Liabilities at fair value		0		0
Level 1 | Nonrecurring Basis
ASSETS:
Assets at fair value		0		0
Level 1 | Nonrecurring Basis | Investment in private company equity securities | Long-term Investments
ASSETS:
Assets at fair value		0	[1]	0	[2]
Level 2 | Recurring Basis
ASSETS:
Assets at fair value		36		30
Level 2 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		0		0
Level 2 | Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		0		0
Level 2 | Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value		25		25
Level 2 | Recurring Basis | Equity securities | Long-term Investments
ASSETS:
Assets at fair value		0		0
Level 2 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value		11		5
LIABILITIES:
Liabilities at fair value		24		11
Level 2 | Nonrecurring Basis
ASSETS:
Assets at fair value		0		325
Level 2 | Nonrecurring Basis | Investment in private company equity securities | Long-term Investments
ASSETS:
Assets at fair value		0	[1]	$ 325	[2]
Level 3 | Recurring Basis
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Time deposits and certificates of deposit | Cash Equivalents and Restricted Cash Equivalents
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Debt securities | Short-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Equity securities | Long-term Investments
ASSETS:
Assets at fair value		0
Level 3 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives
ASSETS:
Assets at fair value		0
LIABILITIES:
Liabilities at fair value		0
Level 3 | Nonrecurring Basis
ASSETS:
Assets at fair value		122
Level 3 | Nonrecurring Basis | Investment in private company equity securities | Long-term Investments
ASSETS:
Assets at fair value	[1]	$ 122

[1] At June 30, 2022, the investment in Yanolja was written down to its estimated fair value of $122 million, resulting in an impairment charge of $184 million (see Note 5).

[2] During the year ended December 31, 2021, the Company recorded upward adjustments to its investments in equity securities of private companies, including Yanolja, based on observable price changes in orderly transactions for identical or similar investments of the same issuer.