The Company and Summary of Significant Accounting Policies (Details)	Mar. 31, 2022	Nov. 14, 2021
Adevinta
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage after sale	33.00%
GMarket
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage after sale		19.99%
Discontinued Operations, Disposed of by Sale | eBay Korea
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of outstanding equity interests sold		80.01%