Expected production commencement year.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Acquisitions - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended		3 Months Ended
	Sep. 30, 2018	Nov. 30, 2017	Mar. 31, 2019
Tech Blend [Member]
Business Acquisition [Line Items]
Acquisition date		Nov. 30, 2017
Business acquisition, purchase price		$ 65
Intangible assets		29
Tech Blend [Member] \| Developed Technologies [Member]
Business Acquisition [Line Items]
Intangible assets		$ 21
Intangible assets, amortization period		25 years
Tech Blend [Member] \| Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets		$ 8
Intangible assets, amortization period		12 years
NSCC Carbon (Jiangsu) Co. Ltd [Member]
Business Acquisition [Line Items]
Acquisition date	Sep. 30, 2018
Expected Production commencement year			2021
Transition related costs			$ 2