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Income taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income taxes  
Schedule of deferred income tax assets and liabilities

    

Year ended December 31, 2021

    

2021

    

2020

Taxes losses carryforward

5,757

4,328

Temporary differences:

Employee post retirement obligations

504

744

Provision for litigation

346

356

Timing differences arising from assets and liabilities

4,384

4,331

Fair value of financial instruments

1,373

1,355

Allocated goodwill

(2,857)

(2,623)

Others

53

74

3,803

4,237

Total

9,560

8,565

Assets

11,441

10,335

Liabilities

(1,881)

(1,770)

9,560

8,565

Schedule of changes in deferred tax

    

Assets

    

Liabilities

    

Deferred taxes, net

Balance at December 31, 2019

9,217

1,882

7,335

Taxes losses carryforward

77

77

Timing differences arising from assets and liabilities

1,690

1,690

Fair value of financial instruments

756

756

Allocated goodwill

(108)

108

Others

32

32

Effect in income statement

2,555

(108)

2,663

Transfers between assets and liabilities

38

38

Translation adjustment

(1,811)

(37)

(1,774)

Other comprehensive income

39

(5)

44

Tax loss carryforward from coal operations (note 16)

297

297

Balance at December 31, 2020

10,335

1,770

8,565

Taxes losses carryforward

830

830

Timing differences arising from assets and liabilities

226

226

Fair value of financial instruments

75

75

Allocated goodwill

138

(138)

Others

(27)

(27)

Effect in income statement

1,104

138

966

Transfers between asset and liabilities

(155)

(155)

Translation adjustment

(649)

(13)

(636)

Other comprehensive income

(15)

141

(156)

Tax loss carryforward from coal operations (note 16)

821

821

Balance at December 31, 2021

11,441

1,881

9,560

Schedule of amount presented as income taxes in the income statement reconciled to the rate established by law

Year ended December 31, 

    

2021

    

2020

    

2019

Income (loss) before income taxes

29,541

6,990

(156)

Income taxes at statutory rate – 34%

(10,044)

(2,377)

53

Adjustments that affect the basis of taxes:

Income tax benefit from interest on stockholders' equity

260

316

601

Tax incentives

2,826

211

189

Equity results

167

(27)

85

Addition of tax loss carryforward (i)

251

769

25

Unrecognized tax losses of the year

(115)

(215)

(551)

Others (ii)

1,958

588

193

Income taxes

(4,697)

(735)

595

(i)In 2020, it refers mainly to exchange variation on tax loss carryforwards of foreign subsidiaries.
(ii)In 2021, it refers substantially to the reclassification of cumulative translation adjustments to the income statement for the year (note 15).
Schedule of income taxes settlement

    

Year ended December 31,

 

2021

    

2020

 

Current liabilities

 

324

 

340

Non-current liabilities

 

1,964

 

2,404

REFIS liabilities

 

2,288

 

2,744

SELIC rate

 

9.25

%  

2.00

%