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Business Acquisition - Additional Information (Detail) - USD ($) $ in Millions			12 Months Ended
	Apr. 29, 2019	Oct. 31, 2018	Dec. 31, 2019
Maximum [Member]
Business Acquisition [Line Items]
Estimated useful lives of finite-lived intangible assets			15 years
Minimum [Member]
Business Acquisition [Line Items]
Estimated useful lives of finite-lived intangible assets			4 years
OLSA [Member]
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		100.00%
Net cash outflow		$ 152
Cash acquired in business acquisition		$ 17
OLSA [Member] | Maximum [Member]
Business Acquisition [Line Items]
Estimated useful lives of finite-lived intangible assets		10 years
OLSA [Member] | Minimum [Member]
Business Acquisition [Line Items]
Estimated useful lives of finite-lived intangible assets		8 years
VIZA GECA [Member]
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	100.00%
Net cash outflow	$ 99
Cash acquired in business acquisition	$ 13

X

- 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.

+ Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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X

- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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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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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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