XML 123 R64.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Non-current derivative financial liabilities - Change in stream obligation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of detailed information about financial instruments [line items] |  |
Balance, beginning of period | $ 743.3 | $ 553.6
Settlements during the period | (33.1) | (29.8)
Fair value adjustments related to changes in the Company’s own credit risk | 11.0 | 111.3
Other fair value adjustments | 130.6 | 108.2
Extinguishment of New Afton free cash flow interest obligation | (634.6) |
Balance, end of period | 217.2 | 743.3
Less: current portion | (42.6) | (75.7)
Non-current portion of derivative financial liabilities | 174.6 | 667.6
Cash settlement paid | 34.2 | 28.9
Rainy River |  |
Disclosure of detailed information about financial instruments [line items] |  |
Balance, beginning of period | 199.9 | 174.7
Settlements during the period | (33.1) | (29.8)
Fair value adjustments related to changes in the Company’s own credit risk | (1.2) | 25.2
Other fair value adjustments | 51.6 | 29.8
Extinguishment of New Afton free cash flow interest obligation | 0.0 |
Balance, end of period | 217.2 | 199.9
Less: current portion | (42.6) | (33.1)
Non-current portion of derivative financial liabilities | 174.6 | 166.8
New Afton |  |
Disclosure of detailed information about financial instruments [line items] |  |
Balance, beginning of period | 543.4 | 378.9
Settlements during the period | 0.0 | 0.0
Fair value adjustments related to changes in the Company’s own credit risk | 12.2 | 86.1
Other fair value adjustments | 79.0 | 78.4
Extinguishment of New Afton free cash flow interest obligation | (634.6) |
Balance, end of period | 0.0 | 543.4
Less: current portion | 0.0 | (42.7)
Non-current portion of derivative financial liabilities | $ 0.0 | $ 500.7

X
- Definition The increase (decrease) in the fair value of a financial liability that is attributable to changes in the credit risk of that liability. [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 10A -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_10A_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 44B -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_44B&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B13 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B13_b&doctype=Appendix&subtype=B -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph m -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_m&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_OtherCurrentFinancialLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph m -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_m&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_OtherFinancialLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of non-current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B13 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B13_c&doctype=Appendix&subtype=B -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph m -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_m&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_OtherNoncurrentFinancialLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow for payments of gold stream obligation. + References No definition available. + Details
Name: | ngd_CashSettlementOfGoldStreamObligation
Namespace Prefix: | ngd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the fair value of a financial liability due to other adjustments. + References No definition available. + Details
Name: | ngd_IncreaseDecreaseInFairValueOfFinancialLiabilityOtherAdjustments
Namespace Prefix: | ngd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for meeting the commitments relating to the gold stream obligation. + References No definition available. + Details
Name: | ngd_PaymentsForMeetingCommitmentsRelatingToGoldStreamObligation
Namespace Prefix: | ngd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=ngd_GoldStreamObligationRainyRiverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfFinancialLiabilitiesAxis=ngd_FreeCashFlowInterestObligationNewAftonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |