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Basic and diluted earnings (loss) per share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income attributable to Vale's stockholders:
Net income attributable to Vale's stockholders	$ 7,586	$ 995	$ 13,132	$ 1,234
Thousands of shares
Weighted average number of shares outstanding - common shares	5,097,908	5,129,911	5,113,959	5,129,254
Common share
Basic and diluted earnings per share:
Common share (US$)	$ 1.49	$ 0.19	$ 2.57	$ 0.24

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- Definition

The amount of earnings per share when the basic and diluted measurements are equal. [Refer: Basic earnings (loss) per share; Diluted earnings (loss) per share]

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The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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