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PROVISIONS (Tables)
6 Months Ended
Jun. 30, 2019
Disclosure of other provisions [abstract]  
Disclosure of other provisions
Provisions as of June 30, 2019 and December 31, 2018 are comprised of the following:
 
June 30, 2019
 
December 31, 2018
Environmental
1,228

 
1,228

Asset retirement obligations
444

 
422

Site restoration
137

 
141

Staff related obligations
196

 
201

Voluntary separation plans
15

 
38

Litigation and contingencies (see note 14)
329

 
369

Tax claims
94

 
120

Other legal claims and contingencies
235

 
249

Commercial agreements and onerous contracts
45

 
34

Other
105

 
101

Total
2,499

 
2,534

Short-term provisions
476

 
539

Long-term provisions
2,023

 
1,995

Total
2,499

 
2,534