BORROWINGS - Debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Mar. 31, 2023
BORROWINGS
Financing lease obligations	$ 297	$ 242
Total	3,272	3,238
Less: Unamortized discount	4	5
Less: Unamortized debt issuance costs	12	13
Less: Current portion of debt	628	110
Total	$ 2,629	3,111
Finance lease obligations, interest rate (as a percent)	5.38%
Unsecured floating-rate term loan
BORROWINGS
Long-term debt	$ 500	500
Debt instrument, weighted-average interest rate (as a percent)	6.58%
Unsecured floating-rate term loan \| SOFR
BORROWINGS
Debt instrument, weighted-average interest rate (as a percent)	1.225%
Commercial loan agreement
BORROWINGS
Long-term debt	$ 75	96
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%

It represents the amount of debt excluding finance lease obligations.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, including portion classified as current.

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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