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Other financial assets and liabilities (Tables)
6 Months Ended
Jun. 30, 2021
Other financial assets and liabilities  
Schedule of other financial assets and liabilities

Current

Non-Current

    

June 30,

    

December 31,

    

June 30,

    

December 31,

    

2021

    

2020

    

2021

    

2020

Other financial assets

Restricted cash

125

38

Derivative financial instruments (note 16)

214

134

208

66

Investments in equity securities

1,097

757

Related parties (i)

195

923

214

329

1,430

1,784

Other financial liabilities

Derivative financial instruments (note 16)

204

328

521

689

Related parties (i)

188

725

895

Financial guarantees provided (note 13)

550

877

Liabilities related to the concession grant (note 14)

350

209

1,956

2,103

Advances received

805

644

1,547

1,906

3,027

4,564

(i) The decrease refers to the settlement of the loans due to the transaction for the acquisition of NLC, as detailed in note 12.