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Subsequent Events | 9 Months Ended
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Sep. 30, 2019
Subsequent Events [Abstract] |
Subsequent Events | Subsequent Events Management evaluated all activity of Arconic and concluded that no subsequent events have occurred that would require recognition in the Consolidated Financial Statements or disclosure in the Notes to the Consolidated Financial Statements, except as noted below: See Note D for details of a curtailment of operations at a plant in the GRP segment. See Note H for details of the August 2019 ASR that was settled in October. See Note O for details on the maturity of Convertible Notes. See Note Q for details on an agreement reached to sell a hard alloy extrusions plant.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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