v3.26.1
LEASES - Finance leases recognized in the Consolidated Balance Sheet (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
RESTRUCTURING      
Right-of-use assets - Property and equipment $ 265 $ 297  
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Property, Plant and Equipment, Net Property, Plant and Equipment, Net  
Lease Liabilities:      
Current $ 86 $ 100  
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Short-term Debt Short-term Debt  
Noncurrent $ 108 $ 150  
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-term Debt and Lease Obligation Long-term Debt and Lease Obligation  
Charges $ 60 $ 162 $ 174
Liabilities Related to Ceasing to Use Leased Assets      
Lease Liabilities:      
Charges   $ 39 $ 14