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Basic and diluted earnings (loss) per share (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
Apr. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Net income attributable to Vale's shareholders        
Net income from continuing operations   $ 16,728 $ 24,736 $ 6,258
Net income (loss) from discontinued operations $ 2,060 2,060 (2,291) (1,377)
Net income   $ 18,788 $ 22,445 $ 4,881
Thousands of shares        
Weighted average number of common shares outstanding   4,637,794 5,012,424 5,129,585
Weighted average number of common shares outstanding and potential ordinary shares   4,642,432 5,016,848 5,132,962
Ordinary shares [member]        
Thousands of shares        
Basic earnings (loss) per share from continuing operations   $ 3.61 $ 4.93 $ 1.22
Diluted earnings (loss) per share from continuing operations   3.61 4.93 1.22
Basic earnings (loss) per share from discontinued operations   0.44 (0.46) (0.27)
Diluted earnings (loss) per share from discontinued operations   0.44 (0.46) (0.27)
Common share, Basic   4.05 4.47 0.95
Common share, Diluted   $ 4.05 $ 4.47 $ 0.95