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Investments - Other Equity Investments Under The Fair Value Option (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Mar. 31, 2024	Dec. 31, 2023
Investments | Recurring
Schedule of Investments [Line Items]
Asset, fair value		$ 47	$ 47
Gmarket
Schedule of Investments [Line Items]
Ownership percentage after sale	19.99%
Investment balance	$ 728
Discontinued Operations, Disposed of by Sale | eBay Korea
Schedule of Investments [Line Items]
Percentage of outstanding equity interests sold	80.01%

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Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

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-Name Accounting Standards Codification
-Section S99
-Paragraph 19
-Subparagraph (1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-19

Reference 65: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 19
-Subparagraph (3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-19

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