Debt - Additional Information (Detail) ¥ in Billions	3 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2017 JPY (¥)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Aggregate principal amount of Senior Notes	$ 8,740,000,000
Other debt and fair value adjustments, total	33,400,000
Debt discount and issuance costs	62,200,000			$ 65,800,000
Payments on term loan	150,000,000	$ 400,000,000
Estimated fair value of Senior Notes and term loan	8,811,200,000
U.S. Term Loan A [Member]
Debt Instrument [Line Items]
Term loan	$ 1,550,000,000			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	1,450,000,000
U.S. Term Loan B [Member]
Debt Instrument [Line Items]
Term loan	$ 675,000,000			675,000,000
Maturity date of term loan	Sep. 30, 2019
Term loan current and non-current	$ 750,000,000
Payments on term loan	0
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 [Member]
Debt Instrument [Line Items]
Term loan	$ 105,400,000		¥ 11.7	$ 99,600,000
Maturity date of term loan	May 31, 2018
Estimated fair value of Senior Notes and term loan	$ 105,100,000
Euro Notes [Member]
Debt Instrument [Line Items]
Term loan	1,100,000,000
Multicurrency Revolving Facility [Member]
Debt Instrument [Line Items]
Outstanding borrowings	400,000,000
Multicurrency Revolving Facility [Member] | 2016 Credit Agreement [Member]
Debt Instrument [Line Items]
Principal amount, unsecured credit facility	$ 1,500,000,000
Debt instrument term	5 years