Receivables, Loans, Notes Receivable, and Others	9 Months Ended
Sep. 30, 2022
Receivables [Abstract]
Accounts and Nontrade Receivable	ReceivablesOn January 5, 2022, the Company entered into a one-year arrangement with a financial institution to sell certain customer receivables outright without recourse on a continuous basis. All such sales are at Arconic's discretion. Under this arrangement, the Company serves in an administrative capacity, including collection of the receivables from the respective customers and remittance of these cash collections to the financial institution. Accordingly, upon the sale of customer receivables to the financial institution, Arconic removes the underlying trade receivables from the Consolidated Balance Sheet and includes the reduction as a positive amount in the (Increase) in receivables line item within Operating Activities on the Statement of Consolidated Cash Flows. At no time can the outstanding balance due to the financial institution exceed $225 (increased in February from original amount of $100). In the 2022 nine-month period, the Company sold customer receivables of $963 and remitted cash collections of $805 to the financial institution. Of the total amount of customer receivables sold in the 2022 nine-month period, $77 were included in Receivables from customers on the accompanying Consolidated Balance Sheet as of December 31, 2021.

Receivables, Loans, Notes Receivable, and Others

9 Months Ended

Sep. 30, 2022

ReceivablesOn January 5, 2022, the Company entered into a one-year arrangement with a financial institution to sell certain customer receivables outright without recourse on a continuous basis. All such sales are at Arconic's discretion. Under this arrangement, the Company serves in an administrative capacity, including collection of the receivables from the respective customers and remittance of these cash collections to the financial institution. Accordingly, upon the sale of customer receivables to the financial institution, Arconic removes the underlying trade receivables from the Consolidated Balance Sheet and includes the reduction as a positive amount in the (Increase) in receivables line item within Operating Activities on the Statement of Consolidated Cash Flows. At no time can the outstanding balance due to the financial institution exceed $225 (increased in February from original amount of $100). In the 2022 nine-month period, the Company sold customer receivables of $963 and remitted cash collections of $805 to the financial institution. Of the total amount of customer receivables sold in the 2022 nine-month period, $77 were included in Receivables from customers on the accompanying Consolidated Balance Sheet as of December 31, 2021.