Inventory, net (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Inventory, net
Raw materials	$ 28	$ 34
Work in process	9	6
Total	37	40
Inventory reserve	(1)	(1)
Total inventory, net	$ 36	$ 39

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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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- Definition

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.

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Amount of valuation reserve for inventory.

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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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