No definition available.

Name:	nem_SettlementCosts
Namespace Prefix:	nem_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Name:	us-gaap_BusinessCombinationAcquisitionRelatedCosts
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Balance Type:	debit
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- References

No definition available.

Name:	us-gaap_OperatingCostsAndExpensesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Name:	us-gaap_OtherAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
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-Topic 220
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-Topic 944
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-Paragraph 1
-Subparagraph (SX 210.7-04(7)(b))
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Name:	us-gaap_OtherCostAndExpenseOperating
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of general expenses not normally included in Other Operating Costs and Expenses.

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

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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-Topic 420
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-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.1)
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