XML 131 R116.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Other Assets (Non-current and Current) - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2023
Miscellaneous assets [abstract] |
Life of contractual insurance period | 5 years

X
- References No definition available. + Details
Name: | ifrs-full_MiscellaneousAssetsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Life of contractual insurance. + References No definition available. + Details
Name: | ntz_LifeOfContractualInsurance
Namespace Prefix: | ntz_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration