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Financial Guarantees and Warranties (Details)
$ in Millions
12 Months Ended
Mar. 31, 2026
USD ($)
Guarantee Obligations Inventory Repurchase Guarantees  
Guarantor Obligations [Line Items]  
Guarantor obligations, maximum exposure $ 451
Guarantee Obligations Customers Debt  
Guarantor Obligations [Line Items]  
Guarantor obligations, maximum exposure 7
Standby Letters of Credit  
Guarantor Obligations [Line Items]  
Letters of credit outstanding $ 288
Minimum | Guarantee Obligations Inventory Repurchase Guarantees  
Guarantor Obligations [Line Items]  
Debt guarantee period 1 year
Minimum | Guarantee Obligations Customers Debt  
Guarantor Obligations [Line Items]  
Debt guarantee period 3 years
Maximum | Guarantee Obligations Inventory Repurchase Guarantees  
Guarantor Obligations [Line Items]  
Debt guarantee period 2 years
Maximum | Guarantee Obligations Customers Debt  
Guarantor Obligations [Line Items]  
Debt guarantee period 5 years