Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2024	Mar. 31, 2024
Schedule of inventories
Finished goods	$ 605	$ 616
Work in process	1,275	1,158
Raw materials	661	451
Supplies	291	290
Inventories	$ 2,832	$ 2,515

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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