v3.25.4
Investment In and Advances to Non-Consolidated Affiliates and Related Party Transactions - Summary of Results of Operations (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]        
Income tax provision $ 4 $ 39 $ 115 $ 150
Net (loss) income (159) 110 100 389
Equity Method Investments        
Schedule of Equity Method Investments [Line Items]        
Net sales 426 371 1,299 1,171
Costs and expenses related to net sales 436 365 1,293 1,145
Income tax provision (3) 1 (1) 6
Net (loss) income (7) 5 7 20
Purchases of tolling services from Alunorf $ 74 $ 72 $ 234 $ 224