Cover - USD ($)	12 Months Ended
	Dec. 31, 2019	Apr. 15, 2020	Jun. 28, 2019
Schedule of Capitalization, Equity [Line Items]
Document Type	10-K/A
Amendment Flag	true
Amendment Description	EXPLANATORY NOTE
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2019
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Current Fiscal Year End Date	--12-31
Entity File Number	001-37713
Entity Registrant Name	eBay Inc.
Entity Central Index Key	0001065088
Entity Tax Identification Number	77-0430924
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	2025 Hamilton Avenue
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95125
City Area Code	(408)
Local Phone Number	376-7008
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 31,354,367,947,000,000,000
Entity Common Stock, Shares Outstanding		700,853,307
Documents Incorporated by Reference [Text Block]	None
Common Stock [Member]
Schedule of Capitalization, Equity [Line Items]
Title of 12(b) Security	Common stock
Trading Symbol	EBAY
Security Exchange Name	NASDAQ
6.00% Notes due 2056
Schedule of Capitalization, Equity [Line Items]
Title of 12(b) Security	6.00% Notes due 2056
Trading Symbol	EBAYL
Security Exchange Name	NASDAQ