XML 72 R57.htm IDEA: XBRL DOCUMENT
v3.22.1

Intangibles assets and goodwill (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Abstract] |
Summary of Carrying Amount of Intangible Assets and Goodwill | Changes in the carrying amount of intangible assets and goodwill for the years ended December 31, 2021 and 2020 are analysed in the following tables.
|  | Trademarks, patents and other |  |  | Software |  |  | Goodwill |  |  | Total |
Cost as at December 31, 2019 |  |  | 14,086 |  |  |  | 30,471 |  |  |  | 4,068 |  |  |  | 48,625 |
Additions |  |  | 107 |  |  |  | 685 |  |  |  | — |  |  |  | 792 |
Impairment of goodwill |  |  | — |  |  |  | — |  |  |  | (1,866 | ) |  |  | (1,866 | )
Reclassifications to assets held for sale |  |  | (174 | ) |  |  | (53 | ) |  |  | — |  |  |  | (227 | )
Effect of translation adjustments |  |  | 3 |  |  |  | (113 | ) |  |  | (281 | ) |  |  | (391 | )
Cost as at December 31, 2020 |  |  | 14,022 |  |  |  | 30,990 |  |  |  | 1,921 |  |  |  | 46,933 |
Additions |  |  | 100 |  |  |  | 1,376 |  |  |  | — |  |  |  | 1,476 |
Impairment of goodwill |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Disposals |  |  | (22 | ) |  |  | (168 | ) |  |  | — |  |  |  | (190 | )
Effect of translation adjustments |  |  | 16 |  |  |  | 38 |  |  |  | — |  |  |  | 54 |
Cost as at December 31, 2021 |  |  | 14,116 |  |  |  | 32,236 |  |  |  | 1,921 |  |  |  | 48,273 |
Accumulated amortisation as at December 31, 2019 |  |  | (13,634 | ) |  |  | (28,970 | ) |  |  | — |  |  |  | (42,604 | )
Amortisation |  |  | (145 | ) |  |  | (762 | ) |  |  | — |  |  |  | (907 | )
Disposals |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Reclassifications to assets held for sale |  |  | 167 |  |  |  | 51 |  |  |  | — |  |  |  | 218 |
Effect of translation adjustments |  |  | 7 |  |  |  | 110 |  |  |  | — |  |  |  | 117 |
Accumulated amortisation as at December 31, 2020 |  |  | (13,605 | ) |  |  | (29,571 | ) |  |  | — |  |  |  | (43,176 | )
Amortisation |  |  | (140 | ) |  |  | (950 | ) |  |  | — |  |  |  | (1,090 | )
Disposals |  |  | 22 |  |  |  | 166 |  |  |  | — |  |  |  | 188 |
Effect of translation adjustments |  |  | (12 | ) |  |  | (37 | ) |  |  | — |  |  |  | (49 | )
Accumulated amortisation as at December 31, 2021 |  |  | (13,735 | ) |  |  | (30,392 | ) |  |  | — |  |  |  | (44,127 | )
Net book value as at December 31, 2019 |  |  | 452 |  |  |  | 1,501 |  |  |  | 4,068 |  |  |  | 6,021 |
Net book value as at December 31, 2020 |  |  | 417 |  |  |  | 1,419 |  |  |  | 1,921 |  |  |  | 3,757 |
Net book value as at December 31, 2021 |  |  | 381 |  |  |  | 1,844 |  |  |  | 1,921 |  |  |  | 4,146 |
Summary of Inputs and Assumptions Used in Performing Impairment Test for Intangible Assets and Goodwill | . December 31, 2021
CGU |  | Net book value after impairment test |  |  | Long-term growth rate |  | WACC |  | Annual sales growth rate 2022 |  | Annual sales growth rate 2023–2026
Italy – retail stores |  |  | 1,921 |  |  | 0.73% |  | 8.89% |  | 4.3% |  | 3.2%
December 31, 2020
CGU |  | Net book value after impairment test |  | Long-term growth rate |  | WACC |  | Annual sales growth rate 2021 |  | Annual sales growth rate 2022–2025
Italy – retail stores |  |  | 1,921 |  | 0.90% |  | 8.92% |  | 8.03% |  | 2.50%
Mexico – retail stores |  |  | — |  | 3.57% |  | 13.31% |  | 18.00% |  | 2.13%
Total goodwill |  |  | 1,921 |  |  |  |  |  |  |  |

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

X
- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of key inputs and assumptions used in impairment test of intangible assets and goodwill explanatory. + References No definition available. + Details
Name: | ntz_DisclosureOfKeyInputsAndAssumptionsUsedInImpairmentTestOfIntangibleAssetsAndGoodwillExplanatory
Namespace Prefix: | ntz_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration