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INVESTMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
INVESTMENTS - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Schedule of Investments [Line Items]
Proceeds from sale and maturity of investments	$ 1,683	$ 0
Minimum
Schedule of Investments [Line Items]
Term of available-for-sale debt securities (in years)	1 year
Maximum
Schedule of Investments [Line Items]
Term of available-for-sale debt securities (in years)	2 years
Equity securities with readily determinable fair values \| Long-term Investments
Schedule of Investments [Line Items]
Equity securities, fair value	$ 285		$ 2,071
Cost	715		1,165
Equity securities of private companies \| Long-term Investments
Schedule of Investments [Line Items]
Investment in equity securities without readily determinable FV	153		153
Meituan
Schedule of Investments [Line Items]
Equity securities, fair value			1,800
Unrealized gain (loss) equity securities	0	(728)
Proceeds from sale and maturity of investments	1,700
Net loss on equity securities	149
Meituan \| Equity securities with readily determinable fair values \| Long-term Investments
Schedule of Investments [Line Items]
Cost			450
DiDi
Schedule of Investments [Line Items]
Equity securities, fair value	150		125
Unrealized gain (loss) equity securities	25	(97)
Grab
Schedule of Investments [Line Items]
Equity securities, fair value	127		136
Unrealized gain (loss) equity securities	(9)	$ (153)
Yanolja \| Equity securities of private companies
Schedule of Investments [Line Items]
Investment in equity securities without readily determinable FV	$ 122		$ 122