v3.25.1
Business and Summary of Significant Accounting Policies - Additional Information (Details)
12 Months Ended
Mar. 31, 2025
USD ($)
plant
country
continent
segment
shares
Mar. 31, 2024
USD ($)
shares
Mar. 31, 2023
USD ($)
May 24, 2024
shares
May 23, 2024
shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Number of countries Company operates in | country 9        
Number of Continents in which Entity Operates | continent 4        
Number of operating plants | plant 31        
Number of plants with recycling operations | plant 15        
Revenue recognized     $ 37,000,000    
Number of operating segments | segment 4        
Goodwill, impairment loss $ 0 $ 0 $ 0    
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Accounts payable Accounts payable      
Supplier invoices $ 850,000,000 $ 612,000,000      
Maximum amortization period of unfunded actuarial liability 15 years        
Common stock, shares outstanding (in shares) | shares 600,000,000 600,000,000   600,000,000 1,100
Common stock, shares issued (in shares) | shares 600,000,000 600,000,000   600,000,000 1,100
Minimum | Large scale machinery          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property, plant and equipment, useful life 15 years        
Minimum | Other Machinery and Equipment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property, plant and equipment, useful life 2 years        
Maximum | Large scale machinery          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property, plant and equipment, useful life 25 years        
Maximum | Other Machinery and Equipment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Property, plant and equipment, useful life 15 years