Discontinued Operations - Narrative (Details) - USD ($) shares in Millions, $ in Millions			3 Months Ended
	Nov. 14, 2021	Jun. 24, 2021	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Nov. 18, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cost of net revenues			$ 689		$ 606
Adevinta
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction service agreement, fees		$ 29
Transaction service agreement, extension term		6 months
Adevinta | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction service agreement, term		6 months
Adevinta | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction service agreement, term		12 months
eBay Korea | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transition service agreement, period	6 months
eBay Korea | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transition service agreement, extension period	3 months
Adevinta
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage		44.00%				25.00%
Classifieds | Intercompany
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues					2
Cost of net revenues					$ 2
Discontinued Operations, Disposed of by Sale | Classifieds
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business		$ 2,500
Number of shares received from the sale		540
Amount of consideration received subject to adjustments		$ 13,300
Pre-tax gain from disposal of business		12,500
Income tax expense on gain on disposal of business		$ 2,100
Discontinued Operations, Disposed of by Sale | eBay Korea
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	$ 3,000
Pre-tax gain from disposal of business	3,200
Income tax expense on gain on disposal of business	$ 369
Percentage of outstanding equity interests sold	80.01%
Currency translation adjustment on disposal of business	$ 81
Gain on net investment hedge settlement				$ 44