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: |