Cover Page - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
May 15, 2020 |
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| Cover [Abstract] | ||
| Document Type | 10-Q | |
| Document Period End Date | Mar. 31, 2020 | |
| Entity Registrant Name | ARCONIC CORPORATION | |
| Entity Central Index Key | 0001790982 | |
| Current Fiscal Year End Date | --12-31 | |
| Document Fiscal Year Focus | 2020 | |
| Document Fiscal Period Focus | Q1 | |
| Amendment Flag | false | |
| Entity Filer Category | Non-accelerated Filer | |
| Entity Emerging Growth Company | false | |
| Entity Small Business | false | |
| Entity Interactive Data Current | Yes | |
| Entity Shell Company | false | |
| Entity Common Stock, Shares Outstanding | 109,052,877 |
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- Definition End date of current fiscal year in the format --MM-DD. No definition available.
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- Definition Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY. No definition available.
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