XML 114 R90.htm IDEA: XBRL DOCUMENT v3.24.0.1

UNINCORPOATED ARRANGEMENT SMM FUNDING ARRANGEMENT - Repurchase option liability (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Disclosure of associates [line items]
Balance, December 31, 2022	$ 0.0
Repurchase option fees	23.7
Côté Gold repurchase price at December 31, 2023	350.8
Deferred Cost On Waiver Of Operator Fee	(6.5)
Amortization of Deferred Charges	1.0
Balance, December 31, 2023	345.3
Sumitomo Metal Mining Co Ltd | Unincorporated Joint Venture
Disclosure of associates [line items]
Contributions in relation to joint ventures	250.0
Incremental funding due to increased ownership	$ 77.1

X

- Definition

Deferred Cost On Waiver Of Operator Fee

+ References

No definition available.

+ Details

Name:	iag_DeferredCostOnWaiverOfOperatorFee
Namespace Prefix:	iag_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Incremental Funding Due To Increased Ownership

+ References

No definition available.

+ Details

Name:	iag_IncrementalFundingDueToIncreasedOwnership
Namespace Prefix:	iag_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Repurchase Option Fees

+ References

No definition available.

+ Details

Name:	iag_RepurchaseOptionFees
Namespace Prefix:	iag_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Repurchase Option Liability

+ References

No definition available.

+ Details

Name:	iag_RepurchaseOptionLiability
Namespace Prefix:	iag_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The commitments that the entity has relating to its joint ventures as specified in paragraphs B18-B20 of IFRS 12. [Refer: Joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 23
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_23_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_CommitmentsInRelationToJointVentures
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_DisclosureOfSignificantInvestmentsInAssociatesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The fair value of investments in joint ventures if there are quoted market prices for the investment. [Refer: Joint ventures [member]; Investments in joint ventures reported in separate financial statements]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2023-01-01
-Paragraph 21
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_b_iii&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_FairValueOfInvestmentInJointVenturesWherePriceQuotationsPublished
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of amortization of deferred charges applied against earnings during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_AmortizationOfDeferredCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=iag_SumitomoMetalMiningCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_JointVenturesAxis=iag_UnincorporatedJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: