| Document and Entity Information | Jun. 15, 2020 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | EBAY INC |
| Amendment Flag | false |
| Entity Central Index Key | 0001065088 |
| Document Type | 8-K |
| Document Period End Date | Jun. 15, 2020 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-37713 |
| Entity Tax Identification Number | 77-0430924 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock |
| Trading Symbol | EBAY |
| Security Exchange Name | NASDAQ |
| Six Point Zero Percent Senior Notes Due On 2056 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 6.00% Notes due 2056 |
| Trading Symbol | EBAYL |
| Security Exchange Name | NASDAQ |
