FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Carried at Fair Value (Details) - USD ($) $ in Millions		Dec. 31, 2022		Dec. 31, 2021
Recurring fair value measurements
ASSETS:
Total assets at fair value		$ 14,419		$ 13,315	[1]
Recurring fair value measurements | Foreign currency exchange derivatives | Not designated as hedging instrument
ASSETS:
Total assets at fair value		65		5	[1]
LIABILITIES:
Total liabilities at fair value		26		11	[1]
Recurring fair value measurements | Money market fund investments | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		11,483		10,410	[1]
Recurring fair value measurements | Time deposits and certificates of deposit | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		60		25	[1]
Recurring fair value measurements | International government securities | Short-term Investments
ASSETS:
Total assets at fair value		13
Recurring fair value measurements | International government securities | Long-term investments
ASSETS:
Total assets at fair value		62
Recurring fair value measurements | U.S. government securities | Short-term Investments
ASSETS:
Total assets at fair value		130
Recurring fair value measurements | U.S. government securities | Long-term investments
ASSETS:
Total assets at fair value		144
Recurring fair value measurements | Corporate debt securities | Short-term Investments
ASSETS:
Total assets at fair value		32		25	[1]
Recurring fair value measurements | Corporate debt securities | Long-term investments
ASSETS:
Total assets at fair value		359
Recurring fair value measurements | Equity securities | Long-term investments
ASSETS:
Total assets at fair value		2,071		2,850	[1]
Recurring fair value measurements | Level 1
ASSETS:
Total assets at fair value		13,614		13,285	[1]
Recurring fair value measurements | Level 1 | Foreign currency exchange derivatives | Not designated as hedging instrument
ASSETS:
Total assets at fair value		0		0	[1]
LIABILITIES:
Total liabilities at fair value		0		0	[1]
Recurring fair value measurements | Level 1 | Money market fund investments | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		11,483		10,410	[1]
Recurring fair value measurements | Level 1 | Time deposits and certificates of deposit | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		60		25	[1]
Recurring fair value measurements | Level 1 | International government securities | Short-term Investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 1 | International government securities | Long-term investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 1 | U.S. government securities | Short-term Investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 1 | U.S. government securities | Long-term investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 1 | Corporate debt securities | Short-term Investments
ASSETS:
Total assets at fair value		0		0	[1]
Recurring fair value measurements | Level 1 | Corporate debt securities | Long-term investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 1 | Equity securities | Long-term investments
ASSETS:
Total assets at fair value		2,071		2,850	[1]
Recurring fair value measurements | Level 2
ASSETS:
Total assets at fair value		805		30	[1]
Recurring fair value measurements | Level 2 | Foreign currency exchange derivatives | Not designated as hedging instrument
ASSETS:
Total assets at fair value		65		5	[1]
LIABILITIES:
Total liabilities at fair value		26		11	[1]
Recurring fair value measurements | Level 2 | Money market fund investments | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		0		0	[1]
Recurring fair value measurements | Level 2 | Time deposits and certificates of deposit | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		0		0	[1]
Recurring fair value measurements | Level 2 | International government securities | Short-term Investments
ASSETS:
Total assets at fair value		13
Recurring fair value measurements | Level 2 | International government securities | Long-term investments
ASSETS:
Total assets at fair value		62
Recurring fair value measurements | Level 2 | U.S. government securities | Short-term Investments
ASSETS:
Total assets at fair value		130
Recurring fair value measurements | Level 2 | U.S. government securities | Long-term investments
ASSETS:
Total assets at fair value		144
Recurring fair value measurements | Level 2 | Corporate debt securities | Short-term Investments
ASSETS:
Total assets at fair value		32		25	[1]
Recurring fair value measurements | Level 2 | Corporate debt securities | Long-term investments
ASSETS:
Total assets at fair value		359
Recurring fair value measurements | Level 2 | Equity securities | Long-term investments
ASSETS:
Total assets at fair value		0		0	[1]
Recurring fair value measurements | Level 3
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | Foreign currency exchange derivatives | Not designated as hedging instrument
ASSETS:
Total assets at fair value		0
LIABILITIES:
Total liabilities at fair value		0
Recurring fair value measurements | Level 3 | Money market fund investments | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | Time deposits and certificates of deposit | Cash equivalents and restricted cash equivalents
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | International government securities | Short-term Investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | International government securities | Long-term investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | U.S. government securities | Short-term Investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | U.S. government securities | Long-term investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | Corporate debt securities | Short-term Investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | Corporate debt securities | Long-term investments
ASSETS:
Total assets at fair value		0
Recurring fair value measurements | Level 3 | Equity securities | Long-term investments
ASSETS:
Total assets at fair value		0
Nonrecurring fair value measurements | Equity securities of private companies | Long-term investments
ASSETS:
Total assets at fair value		122	[2]	325	[3]
Nonrecurring fair value measurements | Level 1 | Equity securities of private companies | Long-term investments
ASSETS:
Total assets at fair value		0	[2]	0	[3]
Nonrecurring fair value measurements | Level 2 | Equity securities of private companies | Long-term investments
ASSETS:
Total assets at fair value		0	[2]	$ 325	[3]
Nonrecurring fair value measurements | Level 3 | Equity securities of private companies | Long-term investments
ASSETS:
Total assets at fair value	[2]	$ 122

[1] The Company did not have any Level 3 fair value measurements at December 31, 2021.

[2] During the three months ended June 30, 2022, the Company's investment in Yanolja was written down to its estimated fair value (see Note 5).

[3] 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 (see Note 5).