Investments - Equity Investments (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Schedule of Investments [Line Items]
Equity investments with readily determinable fair values	$ 2,866	$ 2,692
Equity investments without readily determinable fair values	86	86	$ 78	$ 85
Total equity investments	3,548	3,377
Adevinta
Schedule of Investments [Line Items]
Equity investment in Adevinta	2,866	2,692
Short-term investments:
Schedule of Investments [Line Items]
Equity investments with readily determinable fair values	101	104
Long-term investments:
Schedule of Investments [Line Items]
Equity investment in Adevinta	460	461
Equity investments under the equity method of accounting	35	34
Equity investments without readily determinable fair values	$ 86	$ 86