v3.20.2

Subsequent Events​ (Details) $ in Millions	May 13, 2020 USD ($)	Apr. 02, 2020 USD ($)	Oct. 30, 2020 USD ($)	Mar. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)	Feb. 08, 2019 company	Oct. 01, 2018 USD ($) claimants
Subsequent Event [Line Items]
Number of publicly traded companies | company						2
Disposed of by sale | Hard Alloy Extrusions Plant in South Korea
Subsequent Event [Line Items]
Consideration received				$ 55
Disposed of by sale | Texarkana Rolling Mill and Cast House [Member]
Subsequent Event [Line Items]
Consideration received							$ 302
Disposal Group, Including Discontinued Operation, Book Value							$ 63
Period of Operationalizing Rolling Mill Equipment of Transaction | claimants							36
Disposed of by sale | Texarkana Rolling Mill and Cast House [Member] | Achievement of Milestones [Member]
Subsequent Event [Line Items]
Consideration received					$ 25		$ 50
Disposed of by sale | Texarkana Rolling Mill and Cast House [Member] | Achievement of Milestones [Member] | Subsequent events
Subsequent Event [Line Items]
Consideration received			$ 25
Senior Secured Credit Facility | First-Lien Revolving Credit Facility | Revolving Credit Facility
Subsequent Event [Line Items]
Proceeds from revolving credit facility	$ 500	$ 500

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- Definition

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- Definition

Number of Publicly Traded Companies

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- Definition

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+ References

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- Definition

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+ References

No definition available.

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- Definition

The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

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