XML 143 R131.htm IDEA: XBRL DOCUMENT v3.21.2

Employee benefits - Long-term incentive programs (Details)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021 R$ / shares	Jun. 30, 2021 $ / shares	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Disclosure of defined benefit plans [line items]
Vesting period (in years)	3 years
Expected volatility
Disclosure of defined benefit plans [line items]
Measurement unit	39.00
Expected dividend yield (i)
Disclosure of defined benefit plans [line items]
Measurement unit	3.18
Matching Program
Disclosure of defined benefit plans [line items]
Vesting period (in years)	3 years
Matching Program | Granted shares
Disclosure of defined benefit plans [line items]
Measurement unit				1,046,255	2,154,534	1,222,721
Matching Program | VALE share price
Disclosure of defined benefit plans [line items]
Measurement unit		109.02	20.12
Performance Share Unit Program - PSU
Disclosure of defined benefit plans [line items]
Vesting period (in years)	3 years
Percentage of performance factor based on total return to shareholder metrics	80
percentage of performance factor based on environmental, social and governance indicator	20
Performance Share Unit Program - PSU | Granted shares
Disclosure of defined benefit plans [line items]
Measurement unit				1,474,723
Performance Share Unit Program - PSU | VALE share price
Disclosure of defined benefit plans [line items]
Measurement unit		109.02	20.12
Performance Share Unit Program - PSU | Expected term (in years)
Disclosure of defined benefit plans [line items]
Measurement unit				3
Performance Share Unit Program - PSU | Expected value of the total shareholder return (TSR)
Disclosure of defined benefit plans [line items]
Measurement unit	51.20
Performance Share Unit Program - PSU | Expected value of the performance factor (Total)
Disclosure of defined benefit plans [line items]
Measurement unit	60.96

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfDefinedBenefitPlansLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The value of significant unobservable input used in the measurement of the fair value of entity's own equity instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2020-01-01
-Paragraph 93
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_d&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_SignificantUnobservableInputEntitysOwnEquityInstruments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The percentage of performance factor based on indicators of environmental, social and governance "ESG" Indicators

+ References

No definition available.

+ Details

Name:	vale_PercentageOfPerformanceFactorBasedOnEnvironmentalSocialAndGovernanceIndicator
Namespace Prefix:	vale_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of performance factor measured based on total return to the shareholders metrics.

+ References

No definition available.

+ Details

Name:	vale_PercentageOfPerformanceFactorBasedOnTotalReturnToShareholderMetrics
Namespace Prefix:	vale_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The term of vesting cycle of long-term compensation plan under defined benefit plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	vale_VestingPeriodDefinedBenefitPlans
Namespace Prefix:	vale_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=vale_ExpectedDividendYieldMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=vale_MatchingProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=vale_SharesGrantedMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=vale_SharesGrantedSharePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=vale_PerformanceShareUnitProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=vale_ExpectedTermMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=vale_ExpectedValueOfTotalShareholderReturnMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_UnobservableInputsAxis=vale_ExpectedValueOfPerformanceFactorMeasurementInputMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: