Stockholders' equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' equity

Vale issued mandatory convertible notes

	Date		Value
Headings	Emission	Expiration	Gross	Net of charges	Coupon
Tranches Vale and Vale P - 2012	July/2009	June/2012	942	934	6.75% p.a.

Funds linked to future mandatory conversion

	Maximum amount of action		Value
Headings	Common	Preferred	Common	Preferred
Tranches Vale and Vale P - 2012	18,415,859	47,284,800	293	649

Basic and diluted earnings per share

	Three-month period ended (unaudited)						Year ended as of December 31,
	December 31, 2011		September 30, 2011		December 31, 2010		2011		2010		2009
Net income from continuing operations	4,672		4,935		5,917		22,885		17,407		5,349
Discontinued operations, net of tax	—		—		—		—		(143	)	—
Net income for the period	4,672		4,935		5,917		22,885		17,264		5,349
Remuneration attributed to preferred convertible notes	(15	)	(40	)	(23	)	(97	)	(72	)	(58	)
Remuneration attributed to common convertible notes	(36	)	(16	)	(10	)	(70	)	(61	)	(93	)
Net income for the period adjusted	4,621		4,879		5,884		22,718		17,131		5,198
Earnings per share
Income available to preferred stockholders	1,729		1,846		2,231		8,591		6,566		1,967
Income available to common stockholders	2,834		2,972		3,579		13,842		10,353		3,082
Income available to convertible notes linked to preferred	42		44		53		205		153		75
Income available to convertible notes linked to common	16		17		21		80		59		73
	4,621		4,879		5,884		22,718		17,131		5,197
Weighted average number of shares outstanding (thousands of shares) - preferred shares	1,937,910		1,986,461		1,997,276		1,984,030		2,035,783		2,030,700
Weighted average number of shares outstanding (thousands of shares) - common shares	3,174,487		3,197,984		3,204,203		3,197,063		3,210,023		3,181,706
Total	5,112,397		5,184,445		5,201,479		5,181,093		5,245,806		5,212,406
Weighted average number of convertibles outstanding (thousands of shares) - linked to preferred shares	47,285		47,285		47,285		47,285		47,285		77,580
Weighted average number of convertibles outstanding (thousands of shares) - linked to common shares	18,416		18,416		18,416		18,416		18,416		74,998
Total	65,701		65,701		65,701		65,701		65,701		152,578
Total
Earnings per preferred share	0.89		0.93		1.12		4.33		3.23		0.97
Earnings per common share	0.89		0.93		1.12		4.33		3.23		0.97
Earnings per convertible note linked to preferred	1.21		1.78		1.61		6.39		4.76		1.71
Earnings per convertible note linked to common share	2.82		1.79		1.68		8.15		6.52		2.21
Continuous operation
Earnings per preferred share									3.25
Earnings per common share									3.25
Earnings per convertible note linked to preferred									4.77
Earnings per convertible note linked to common share									6.56
Discontinuous operation
Earnings per preferred share									(0.02	)
Earnings per common share									(0.02	)
Earnings per convertible note linked to preferred									(0.01	)
Earnings per convertible note linked to common share									(0.04	)