{"cik":4281,"taxonomy":"us-gaap","tag":"PreferredStockParOrStatedValuePerShare","label":"Preferred Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.","entityName":"HOWMET AEROSPACE INC.","units":{"USD/shares":[{"end":"2014-09-30","val":1,"accn":"0000004281-20-000038","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2014Q3I"},{"end":"2014-09-30","val":1,"accn":"0000004281-19-000031","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-21"},{"end":"2014-09-30","val":1,"accn":"0000004281-18-000042","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"}]}}