Cover |
Jul. 08, 2020 |
|---|---|
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jul. 08, 2020 |
| Entity File Number | 000-17781 |
| Entity Registrant Name | NortonLifeLock Inc. |
| Entity Central Index Key | 0000849399 |
| Entity Tax Identification Number | 77-0181864 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 60 E. Rio Salado Parkway |
| Entity Address, Address Line Two | Suite 1000 |
| Entity Address, City or Town | Tempe |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85281 |
| City Area Code | 650 |
| Local Phone Number | 527-8000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | NLOK |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |