v3.22.0.1
Segment and Related Information - Narrative​ (Details)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting [Abstract]      
Number of operating segments | segment 3    
Number of reportable segments | segment 3    
Concentration Risk [Line Items]      
Total sales | $ $ 7,504 $ 5,675 $ 7,277
Ford Motor Company | Rolled Products | Revenue | Customer      
Concentration Risk [Line Items]      
Total sales | $ $ 761 $ 647 $ 942