Business Acquisition, Percentage of Voting Interests Acquired, Pending

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- Definition

Business Combination, Consideration Transferred, Pending

+ References

No definition available.

+ Details

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- Definition

Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage, Pending

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Divestment percentage of project area to Indonesian participants.

+ References

No definition available.

+ Details

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- Definition

Noncontrolling Interest, Ownership Percentage by Parent, Pending

+ References

No definition available.

+ Details

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- Definition

Proceeds from Divestiture of Businesses, Net of Cash Divested, Pending

+ References

No definition available.

+ Details

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- Definition

Term to construct smelter.

+ References

No definition available.

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- Definition

Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=63488139&loc=d3e12121-115841

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-12.3)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611133-123010

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-12C.Column D.2)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010

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Contingencies and Commitments (Unaudited) Mining Contract (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Jul. 31, 2018	Jun. 30, 2018
Contractual Obligations Mining Contracts [Line Items]
Term to construct smelter		5 years
PT Freeport Indonesia [Member]
Contractual Obligations Mining Contracts [Line Items]
Divestment percentage		51.00%
PT Indocopper Investama [Member] \| PT Freeport Indonesia [Member]
Contractual Obligations Mining Contracts [Line Items]
Investment Owned, Percent of Net Assets		9.36%
Pt Smelting [Member] \| PT Freeport Indonesia [Member]
Contractual Obligations Mining Contracts [Line Items]
Investment Owned, Percent of Net Assets		25.00%
Subsequent Event [Member] \| PT Freeport Indonesia [Member]
Contractual Obligations Mining Contracts [Line Items]
Ownership interest by parent subsequent to business acquisition, pending	49.00%
Proceeds from divestiture of businesses, pending	$ 350
Subsequent Event [Member] \| Rio Tinto [Member] \| Rio Tinto Share In Joint Venture [Member]
Contractual Obligations Mining Contracts [Line Items]
Proceeds from divestiture of businesses, pending	$ 3,500
Interest In PT Indocopper Investama [Member] \| Subsequent Event [Member] \| PT Indonesia Asahan Aluminium (Persero) (Inalum) [Member]
Contractual Obligations Mining Contracts [Line Items]
Ownership percentage pending acquired	9.36%
Rio Tinto Share In Joint Venture [Member] \| Subsequent Event [Member] \| PT Indonesia Asahan Aluminium (Persero) (Inalum) [Member]
Contractual Obligations Mining Contracts [Line Items]
Cash consideration in a pending business combination	$ 3,850
PT Freeport Indonesia [Member] \| Subsequent Event [Member] \| PT Indonesia Asahan Aluminium (Persero) (Inalum) [Member]
Contractual Obligations Mining Contracts [Line Items]
Ownership percentage pending acquired	40.00%
Ownership interest subsequent to acquisition, pending	51.00%