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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - BRL (R$)
R$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Profit or loss [abstract]      
NET INCOME FOR THE YEAR R$ 3,753 R$ 2,865 R$ 3,195
Items not to be reclassified to profit or loss in subsequent periods      
Post retirement liabilities – remeasurement of obligations of the defined benefit plans 301 (10) (1,599)
Income tax and social contribution tax on remeasurement of defined benefit plans (102) 4 544
Other (1)
Equity gain (loss) on other comprehensive income in subsidiary and jointly-controlled entity 199 (7) (1,055)
 COMPREHENSIVE INCOME FOR THE YEAR 3,952 2,858 2,140
Total of comprehensive income for the year attributed to:      
Equity holders of the parent 3,950 2,857 2,139
Non-controlling interests R$ 2 R$ 1 R$ 1