INVESTMENTS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Aug. 02, 2022	Dec. 31, 2021
Meituan
Schedule of Investments [Line Items]
Carrying Value		$ 2,000		$ 2,000			$ 2,300
Unrealized gain (loss) equity securities	[1]	393	$ 234	(335)	$ 263
Meituan | Subsequent Event
Schedule of Investments [Line Items]
Market price, percent decrease						9.00%
DiDi Global Inc.
Schedule of Investments [Line Items]
Carrying Value		116		116			195
Unrealized gain (loss) equity securities	[1]	18	155	(79)	155
DiDi Global Inc. | Subsequent Event
Schedule of Investments [Line Items]
Market price, percent decrease						11.00%
Grab
Schedule of Investments [Line Items]
Carrying Value		107		107			301
Unrealized gain (loss) equity securities	[2]	(41)		(194)
Unrealized gain (loss) on debt securities	[2]		$ 126		$ 126
Yanolja | Investment in private company equity securities
Schedule of Investments [Line Items]
Cost of investment without readily determinable fair values		51		51			51
Equity securities, impairment loss, annual amount		184
Investment in equity securities without readily determinable FV		122		122			306
Long-term Investments | Investment in private company equity securities
Schedule of Investments [Line Items]
Cost of investment without readily determinable fair values		78		78			66
Investment in equity securities without readily determinable FV		$ 153		$ 153			325
Long-term Investments | Yanolja | Investment in private company equity securities
Schedule of Investments [Line Items]
Investment in equity securities without readily determinable FV							$ 306

[1] Included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations.

[2] Net unrealized losses for the three and six months ended June 30, 2022 are included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations and net unrealized gains for the three and six months ended June 30, 2021 are included in Net unrealized gains on available-for-sale securities in the Unaudited Consolidated Statements of Comprehensive Income (Loss).