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CONTINGENCIES (Letters of Credit, Bank Guarantees and Surety Bonds) (Details) $ in Millions	Dec. 31, 2016 USD ($)
Surety Bond
Guarantor Obligations [Line Items]
Guarantor obligations, carrying value	$ 371
Surety Bonds for Asset Retirement Obligations
Guarantor Obligations [Line Items]
Guarantor obligations, carrying value	290
Surety Bonds for Self Insurance
Guarantor Obligations [Line Items]
Guarantor obligations, carrying value	24
Surety Bonds for Other Bonds
Guarantor Obligations [Line Items]
Guarantor obligations, carrying value	57
Cerro Verde
Guarantor Obligations [Line Items]
Outstanding Standby Letters Of Credit	$ 281

X

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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Balance Type:	credit
Period Type:	instant

X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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X

- Details

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- Details

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- Details

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- Details

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X

- Details

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