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Impairment and onerous contracts (Tables)
12 Months Ended
Dec. 31, 2021
Impairment and onerous contracts  
Schedule of impairment losses recognized

Income statement

Impairment 

    

2021

    

2020

    

2019

Segments by class of assets

Base metals – Nickel

98

 

882

 

2,511

Manganese

35

 

76

 

Other assets

95

125

119

Impairment of non-current assets

228

 

1,083

 

2,630

 

 

 

Onerous contracts

18

 

 

240

Disposals of non-current assets

180

 

225

 

513

Impairment and disposals of non-current assets

426

 

1,308

 

3,383

Summary of impairment test for the goodwill

    

Carrying amount

    

Discount rate

    

Period of cash flow projections

Ferrous mineral

 

1,278

 

4.4

%  

2051

Nickel

 

1,930

 

3.2% - 3.8

%  

2045

 

3,208