Segments - Schedule of Net Revenues by Activity (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenues	$ 2,730	$ 2,572	$ 5,315	$ 5,128
Marketplace revenues
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenues	2,248	2,174	4,391	4,346
Advertising revenues
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net revenues	$ 482	$ 398	$ 924	$ 782

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details