v3.26.1
Business and Summary of Significant Accounting Policies (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Feb. 18, 2026
USD ($)
$ / shares
shares
Dec. 23, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
segement
country
plant
Mar. 31, 2026
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Number of countries Company operates in | country     9  
Number of continents Company operates in | segement     4  
Number of operating segments | segement     4  
Number of operating plants | plant     29  
Number of plants with recycling operations | plant     15  
Assets held for sale     $ 15 $ 15
Supplier finance program, obligation     $ 1,600 $ 1,300
AV Minerals (Netherlands) N.V.        
Subsidiary, Sale of Stock [Line Items]        
Stock issued during period (in shares) | shares 1,333,333 5,000,000    
Sale of stock, number of shares (in shares) | shares 1,333,333 5,000,000    
Sale of stock, consideration $ 200 $ 750    
Sale of stock, price per share (in dollars per share) | $ / shares $ 150 $ 150