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Revenue Recognition - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2018 | Dec. 31, 2017
Revenue Recognition [Line Items] |  |
Accounts receivable, payment terms and conditions | Payment terms and conditions vary among the Company's revenue streams, although terms generally include a requirement of payment within 30 to 60 days of product shipment. |
Other Long-Term Liabilities [Member] |  |
Revenue Recognition [Line Items] |  |
Deferred revenue and customer advances | $ 39 | $ 26

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- Definition Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130554-203045 + Details
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