Supplemental Consolidated Financial Information - Equity Method Investments and Warrants (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	$ (246)	$ 160
Change in fair value of warrant	149	38
Gain (loss) on equity investments and warrant, net	(97)	198
Adevinta
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	(234)	174
Gmarket
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	(6)	(11)
KakaoBank
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	0	(3)
Adevinta Deal Expenses
Balance Sheet Components [Line Items]
Unrealized change in fair value of equity investment	$ (6)	$ 0