Supplemental Financial Information - Inventories and Deferred Revenue (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Inventories
Finished goods	$ 9	$ 17
Service parts	4	9
Total inventories	13	26
Deferred revenue
Current deferred revenue	462	552
Long-term deferred revenue	14	27
Total deferred revenue	$ 476	$ 579

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date for elements of machinery or equipment held for the purpose of replacing similar parts in the course of repair or maintenance.

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