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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure Of Summary Of Significant Accounting Policies [Abstract]  
Useful Lives Applied to the Group's Property, Plant and Equipment

Depreciation is calculated on a straight-line basis over the estimated useful lives of the assets, as follows:

 

Property, plant and equipment

 

Useful life

(Years)

Buildings

 

7-33

Equipment, tools and installations

 

3-15
Useful Lives Applied to the Group's Right-of-use Assets

Depreciation is calculated on a straight-line basis over the estimated useful lives of the assets or shorter lease term, as follows:

 

Right-of-use assets

 

Useful life

(Years)

Buildings

 

2-25

Equipment, tools and installations

 

2-5

Production facilities

 

2-3

Automobiles

 

3-4
Useful Lives Applied to the Group's Intangible Assets

A summary of the useful lives applied to the Group’s intangible assets is as follows:

 

Intangible assets

 

Useful life

(Years)

Intellectual property rights

 

10-20

Licenses

 

3-20

Software

 

3-8