Debt - Additional Information (Detail) ¥ in Billions		9 Months Ended
	Sep. 22, 2017	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 JPY (¥)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Aggregate principal amount of Senior Notes		$ 8,300,000,000
Other debt and fair value adjustments, total		29,200,000
Debt discount and issuance costs		56,300,000			$ 65,800,000
Payments on term loan		640,000,000	$ 700,000,000
Estimated fair value of Senior Notes and term loan		8,520,900,000
Euro Notes [Member]
Debt Instrument [Line Items]
Term loan		1,200,000,000
U.S. Term Loan A [Member]
Debt Instrument [Line Items]
Term loan		$ 1,135,000,000			1,700,000,000
Maturity date of term loan		Jun. 24, 2020
Principal payments due on a quarterly basis starting September 30, 2015, during first three years		$ 75,000,000
Principal payments due on a quarterly basis starting September 30, 2015, during fourth year		112,500,000
Principal payments due on a quarterly basis starting September 30, 2015, during fifth year		412,500,000
Payments on term loan		1,860,000,000
U.S. Term Loan B [Member]
Debt Instrument [Line Items]
Term loan		$ 600,000,000			675,000,000
Maturity date of term loan		Sep. 30, 2019
Term loan current and non-current		$ 675,000,000
Payments on term loan		75,000,000
Principal payments due in first anniversary		75,000,000
Principal payments due in second anniversary		$ 75,000,000
U.S. Term Loan B [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maturity date of term loan		Sep. 30, 2019
Japan Term Loan A [Member]
Debt Instrument [Line Items]
Term loan		$ 103,900,000		¥ 11.7	$ 99,600,000
Maturity date of term loan	Sep. 27, 2022	Sep. 27, 2022
Amended and restated date of term loan	May 24, 2012
Amendment date of term loan	Oct. 31, 2014
Interest rate	0.635%
Estimated fair value of Senior Notes and term loan		$ 291,800,000
Japan Term Loan B [Member]
Debt Instrument [Line Items]
Term loan		$ 189,100,000		¥ 21.3
Maturity date of term loan	Sep. 27, 2022	Sep. 27, 2022
Interest rate	0.635%
Estimated fair value of Senior Notes and term loan		$ 291,800,000
Multicurrency Revolving Facility [Member]
Debt Instrument [Line Items]
Outstanding borrowings		$ 0
Multicurrency Revolving Facility [Member] | 2016 Credit Agreement [Member]
Debt Instrument [Line Items]
Maturity date of term loan		Sep. 30, 2021
Principal amount, unsecured credit facility		$ 1,500,000,000
Debt instrument term		5 years