Derivative Instruments and Hedging Activities - Additional Information (Detail) $ in Millions	Mar. 31, 2017 USD ($) Derivative	Dec. 31, 2016 USD ($) Derivative
Designated as hedging instrument [member] \| Term loan interest rate swaps [member]
Derivative [Line Items]
Number of interest rate derivatives held \| Derivative	2
Not designated as hedging instrument [member] \| Term loan interest rate swaps [member]
Derivative [Line Items]
Number of interest rate derivatives held \| Derivative		4
Derivative, swaption interest rate		1.87%
Derivative, notional amount		$ 1,450
Not designated as hedging instrument [member] \| Foreign exchange forward contracts [member]
Derivative [Line Items]
Derivative, notional amount	$ 255	$ 326
Number of foreign exchange forward contracts held \| Derivative	63	68
$1.6 billion notional [Member] \| Designated as hedging instrument [member] \| Term loan interest rate swaps [member]
Derivative [Line Items]
Derivative, swaption interest rate	1.98%
Derivative, notional amount	$ 1,600
$750 million notional [Member] \| Designated as hedging instrument [member] \| Term loan interest rate swaps [member]
Derivative [Line Items]
Derivative, swaption interest rate	2.02%
Derivative, notional amount	$ 750

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

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- Definition

Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

+ References

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- Definition

Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959

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Number of interest rate derivative instruments held by the entity at the reporting date.

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