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The Company and Summary of Significant Accounting Policies - Narrative (Details) |  | 6 Months Ended
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Nov. 14, 2021 | Jun. 30, 2022
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% |

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