XML 245 R156.htm IDEA: XBRL DOCUMENT v3.22.0.1

SHARE-BASED COMPENSATION - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 shares	Dec. 31, 2020 shares	Dec. 31, 2019 shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares issued	7,261,210
Number of share options outstanding in share-based payment arrangement (in shares)	5,119,591	4,700,000	7,500,000
Number of other equity instruments outstanding in share-based payment arrangement (in shares)	6,895,016	6,700,000	5,300,000
Options
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period	5 years
Expiration period	7 years
Maximum allotment of common shares reserved in share-based payment arrangement (in shares)	23,905,624
Common stock, capital shares issued	16,071,053
Common shares in reserve in share-based payment arrangement (in shares)	7,834,571
Common shares unallocated in reserve in share-based payment arrangement (in shares)	2,714,980
Share units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum allotment of common shares reserved in share-based payment arrangement (in shares)	21,756,762
Common shares in reserve in share-based payment arrangement (in shares)	14,495,552
Common shares unallocated in reserve in share-based payment arrangement (in shares)	7,600,536
Performance Share Units
Disclosure of terms and conditions of share-based payment arrangement [line items]
Vesting period	36 months
Employee Share Purchase Plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Company's matching percentage	75.00%
Employee contribution percentage	5.00%
Maximum percentage company will match	3.75%
Bottom of range | Employee Share Purchase Plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Employee contribution, percentage of base salary	1.00%
Top of range | Employee Share Purchase Plan
Disclosure of terms and conditions of share-based payment arrangement [line items]
Employee contribution, percentage of base salary	10.00%
Treasury shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of shares issued	0

X

- Definition

Common Stock, Capital Shares Issued

+ References

No definition available.

+ Details

Name:	iag_CommonStockCapitalSharesIssued
Namespace Prefix:	iag_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Common Stock, Capital Shares Reserved for Future Issuance1

+ References

No definition available.

+ Details

Name:	iag_CommonStockCapitalSharesReservedforFutureIssuance1
Namespace Prefix:	iag_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Period2

+ References

No definition available.

+ Details

Name:	iag_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2
Namespace Prefix:	iag_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Employee Subscription Rate1

+ References

No definition available.

+ Details

Name:	iag_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate1
Namespace Prefix:	iag_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share-Based Payment Arrangement, Employer Matching Contribution, Percent of Employee Contributions

+ References

No definition available.

+ Details

Name:	iag_ShareBasedPaymentArrangementEmployerMatchingContributionPercentofEmployeeContributions
Namespace Prefix:	iag_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-Based Payment Arrangement, Employer Matching Contribution, Percent of Employees' Gross Pay

+ References

No definition available.

+ Details

Name:	iag_ShareBasedPaymentArrangementEmployerMatchingContributionPercentofEmployeesGrossPay
Namespace Prefix:	iag_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-Based Payment Arrangement, Employer Matching Contribution, Percent of Match

+ References

No definition available.

+ Details

Name:	iag_ShareBasedPaymentArrangementEmployerMatchingContributionPercentofMatch
Namespace Prefix:	iag_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period1

+ References

No definition available.

+ Details

Name:	iag_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod1
Namespace Prefix:	iag_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized1

+ References

No definition available.

+ Details

Name:	iag_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAuthorized1
Namespace Prefix:	iag_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant1

+ References

No definition available.

+ Details

Name:	iag_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesAvailableforGrant1
Namespace Prefix:	iag_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Definition

The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard
-URIDate 2021-03-24

+ Details

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

X

- Definition

The number of share options outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_i&doctype=Standard
-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause vi
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_vi&doctype=Standard
-URIDate 2021-03-24

+ Details

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

X

- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 106
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_NumberOfSharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=iag_ShareOptions1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ComponentsOfEquityAxis=ifrs-full_TreasurySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: