Summary of Non-Designated Forward Foreign Currency Exchange Contracts Outstanding (Detail) - Not Designated as Hedging Instrument	Dec. 31, 2019 COP ($) Derivative	Dec. 31, 2019 RUB (₽) Derivative
Derivative [Line Items]
Number of Contracts	14	14
Brazilian Reais \| Foreign exchange contracts \| Purchase
Derivative [Line Items]
Number of Contracts	1	1
Aggregate Notional Amount in Foreign Currency \| $	$ 55,100,000
Colombian Pesos \| Foreign exchange contracts \| Sell
Derivative [Line Items]
Number of Contracts	2	2
Aggregate Notional Amount in Foreign Currency \| $	$ 173,000,000,000.0
Colombian Pesos \| Foreign exchange contracts \| Purchase
Derivative [Line Items]
Number of Contracts	4	4
Aggregate Notional Amount in Foreign Currency \| $	$ 28,320,000,000.0
Euros \| Foreign exchange contracts \| Sell
Derivative [Line Items]
Number of Contracts	1	1
Aggregate Notional Amount in Foreign Currency \| $	$ 5,000,000.0
Euros \| Foreign exchange contracts \| Purchase
Derivative [Line Items]
Number of Contracts	1	1
Aggregate Notional Amount in Foreign Currency \| $	$ 8,000,000.0
Great British Pounds \| Foreign exchange contracts \| Purchase
Derivative [Line Items]
Number of Contracts	2	2
Aggregate Notional Amount in Foreign Currency \| $	$ 21,000,000.0
Ruble \| Foreign exchange contracts \| Sell
Derivative [Line Items]
Number of Contracts	2	2
Aggregate Notional Amount in Foreign Currency \| ₽		₽ 1,360,000,000.0
Ruble \| Foreign exchange contracts \| Purchase
Derivative [Line Items]
Number of Contracts	1	1
Aggregate Notional Amount in Foreign Currency \| ₽		₽ 20,000,000.0

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

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