Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Contingencies and Commitments - Other Matters (Details) t in Millions, $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended	7 Months Ended
	Mar. 31, 2022 t	Mar. 31, 2022 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)	Jan. 25, 2022 USD ($)
Loss Contingencies [Line Items]
Concrete export license, extension	1 year
Concrete export license, approved export amount \| t	2
PT Smelting \| PT Freeport Indonesia
Loss Contingencies [Line Items]
Administrative fine			$ 149	$ 16
PT Freeport Indonesia
Loss Contingencies [Line Items]
Administrative fine		$ 41
Loss contingency, estimate of possible loss					$ 57