v3.22.2.2
Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The share information used to compute basic and diluted EPS attributable to Arconic common stockholders was as follows (shares in millions):
Third quarter ended September 30,Nine months ended September 30,
2022202120222021
Weighted-average shares outstanding – basic102.3 108.7 104.4 109.5 
Effect of dilutive share equivalents:
Stock units— 3.3 2.6 — 
Stock options— 0.1 0.1 — 
Weighted-average shares outstanding – diluted102.3 112.1 107.1 109.5 
Anti-dilutive share equivalents:
Stock units2.6 — — 3.3 
Stock options*:
In-the-money— — — 0.1 
Out-of-the-money— — — — 
2.6 — — 3.4