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BORROWINGS - Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Mar. 31, 2022
Borrowings    
Financing lease obligations $ 204 $ 219
Total 3,219 3,242
Less: Unamortized discount 5 5
Less: Unamortized debt issuance costs 14 15
Less: current maturities of long-term debt 93 96
Total $ 3,107 3,127
Finance lease obligations, interest rate (as a percent) 1.85%  
Unsecured floating-rate term loan    
Borrowings    
Long-term debt $ 500 500
Debt instrument, weighted-average interest rate (as a percent) 2.24%  
Unsecured floating-rate term loan | LIBOR    
Borrowings    
Debt instrument, weighted-average interest rate (as a percent) 1.125%  
Commercial loan agreement    
Borrowings    
Long-term debt $ 116 123
Debt instrument, weighted-average interest rate (as a percent) 3.00%  
Unsecured senior notes due 2026    
Borrowings    
Long-term debt $ 700 700
Debt instrument, weighted-average interest rate (as a percent) 2.05%  
Unsecured senior notes due 2028    
Borrowings    
Long-term debt $ 500 500
Debt instrument, weighted-average interest rate (as a percent) 2.70%  
Unsecured senior notes due 2031    
Borrowings    
Long-term debt $ 650 650
Debt instrument, weighted-average interest rate (as a percent) 3.15%  
Unsecured senior notes due 2041    
Borrowings    
Long-term debt $ 550 $ 550
Debt instrument, weighted-average interest rate (as a percent) 4.10%