Equity Method Investments - Narrative (Details) $ in Millions			3 Months Ended				12 Months Ended
	Apr. 21, 2023 USD ($)	Aug. 30, 2021 USD ($)	Dec. 31, 2023 USD ($) seat	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2023 USD ($) seat	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Apr. 30, 2023 USD ($)	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Number of seats held on the board of directors | seat			2				2
Impairment of equity method investment							$ 0	$ 182	$ 0
Proceeds from sale of equity method investments							721	0	1,000
Revaluation of MLU B.V. call option							0	$ 191	$ 0
Call Option
Schedule of Equity Method Investments [Line Items]
MLU B.V. Call Option						$ 230
Careem Technologies
Schedule of Equity Method Investments [Line Items]
Investment trading										$ 400
Gain (loss) on other income (expense)			$ 204
Equity ownership interest										42.00%
MLU B.V. Call Option			$ 300				$ 300
MLU B.V.
Schedule of Equity Method Investments [Line Items]
Gain (loss) on other income (expense)						$ 106
Equity ownership interest	29.00%							29.00%			38.00%
Impairment of equity method investment				$ 182
Percentage of equity sold		0.045
Proceeds from sale of equity method investments	$ 703	$ 276
MLU B.V. | MLU B.V. Call Option
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of equity method investments		$ 230
MLU B.V. | Call Option
Schedule of Equity Method Investments [Line Items]
Call Option, exercise period		2 years
MLU B.V. Call Option								$ 2
Revaluation of MLU B.V. call option								$ 191
MLU B.V. | Call Option | Measurement Input, Expected Term
Schedule of Equity Method Investments [Line Items]
Call option term								0.7
MLU B.V. | Call Option | Option Volatility
Schedule of Equity Method Investments [Line Items]
Call option term								0.65
Yandex Self Driving Group B.V. and MLU B.V.
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of equity method investments		$ 1,000
Demerged Business
Schedule of Equity Method Investments [Line Items]
Gain (loss) on other income (expense)					$ 242
Proceeds from sale of equity method investments		$ 412