v3.22.2.2
Cover
Dec. 06, 2022
Cover [Abstract]  
Document Type 8-K
Document Period End Date Dec. 02, 2022
Entity Registrant Name ARCONIC CORPORATION
Entity Incorporation, State or Country Code DE
Entity File Number 001-39162
Entity Tax Identification Number 84-2745636
Entity Address, Address Line One 201 Isabella Street, Suite 400
Entity Address, City or Town Pittsburgh
Entity Address, State or Province PA
Entity Address, Postal Zip Code 15212-5872
City Area Code 412
Local Phone Number 992-2500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol ARNC
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001790982
Amendment Flag false
Current Fiscal Year End Date --12-31