| Document and Entity Information Document | Aug. 21, 2019 |
| Cover page. | |
| Document Type | 8-K |
| Document Period End Date | Aug. 21, 2019 |
| Entity Incorporation, State or Country Code | MA |
| Entity File Number | 1-7819 |
| Entity Tax Identification Number | 04-2348234 |
| Entity Address, Address Line One | One Technology Way, |
| Entity Address, City or Town | Norwood, |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02062 |
| City Area Code | 781 |
| Local Phone Number | 329-4700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock $0.16 2/3 par value per share |
| Trading Symbol | ADI |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Registrant Name | Analog Devices, Inc. |
| Entity Central Index Key | 0000006281 |
| Amendment Flag | false |
