Components of Inventories (Detail) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 428	$ 379
Work in progress	340	292
Finished products	244	220
Inventories	1,011	891
Inventory valuation reserve	(89)	(93)
Total inventories, net of reserve	$ 922	$ 798

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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 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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