| Document and Entity Information | Mar. 23, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | INTEL CORP |
| Security Exchange Name | NASDAQ |
| Amendment Flag | false |
| Entity Central Index Key | 0000050863 |
| Document Type | 8-K |
| Document Period End Date | Mar. 23, 2021 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 000-06217 |
| Entity Tax Identification Number | 94-1672743 |
| Entity Address, Address Line One | 2200 Mission College Blvd. |
| Entity Address, City or Town | Santa Clara |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 95054-1549 |
| City Area Code | (408) |
| Local Phone Number | 765-8080 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common stock, $0.001 par value |
| Trading Symbol | INTC |
| Entity Emerging Growth Company | false |
