v3.26.1
Accounts Receivable - Schedule of accounts receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]        
Allowance for credit losses — third parties $ (7) $ (7) $ (7) $ (5)
Third Parties        
Loans and Leases Receivable Disclosure [Line Items]        
Trade accounts receivable 2,330 1,964    
Other accounts receivable 215 116    
Accounts receivable — third parties 2,545 2,080    
Allowance for credit losses — third parties (7) (7)    
Accounts receivable, net — third parties 2,538 2,073    
Related Parties        
Loans and Leases Receivable Disclosure [Line Items]        
Accounts receivable, net — third parties $ 197 $ 136