v3.22.2.2
Preferred and Common Stock
 9 Months Ended
Sep. 30, 2022
Equity [Abstract]  
Stockholders' Equity Note Disclosure Preferred and Common StockOn May 4, 2021, Arconic announced that its Board of Directors approved a share repurchase program authorizing the Company to repurchase shares of its outstanding common stock up to an aggregate transactional value of $300 over a two-year period expiring April 28, 2023. In the 2022 third quarter and nine-month period, Arconic repurchased 3,033,663 and 4,863,672 shares, respectively, of the Company's common stock for $86 and $139, respectively, under this program. Cumulatively, Arconic has repurchased 9,776,177 shares of the Company’s common stock for $300 since the program’s inception, resulting in completion of the total authorization. Repurchases under the program were made from time to time, as the Company deemed appropriate, solely through open market repurchases effected through a broker dealer, based on a variety of factors such as price, capital position, liquidity, financial performance, alternative uses of capital, and overall market conditions. This program was intended to comply with Rule 10b5-1 and all purchases were made in compliance with Rule 10b-18, including without limitation the timing, price, and volume restrictions thereof.