Employee Benefit Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S. Benefit Plan [Member] | VCR 401 (K) [Member]
Defined Contribution Plan Disclosure [Line Items]
Probation period for benefit plan eligibility	3 months
Employer matching contribution, additional match amount	$ 390
Employer matching contribution, percent of employee's salary	5.00%
Company contribution under the benefit plan	$ 9,500,000	$ 8,700,000	$ 8,200,000
U.S. Benefit Plan [Member] | VCR 401 (K) [Member] | Up to $390 [Member]
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent	150.00%
U.S. Benefit Plan [Member] | VCR 401 (K) [Member] | In Excess of $390 [Member]
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent	50.00%
Foreign Benefit Plan [Member] | VML Provident Fund [Member]
Defined Contribution Plan Disclosure [Line Items]
Probation period for benefit plan eligibility	3 months
Employer matching contribution, percent of employee's salary	5.00%
Company contribution under the benefit plan	$ 33,500,000	31,400,000	28,600,000
Percentage of contribution eligible to be received by participating employee, after three years	30.00%
Number of years worked by employee to be eligible for 30% of provident funds contributed by company	3 years
Percentage of contribution eligible to be received by participating employee, increasing to, after ten years	100.00%
Number of years worked by employee to be eligible for 100% of provident funds contributed by company	10 years
Foreign Benefit Plan [Member] | MBS Provident Fund [Member]
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent of employee's salary	17.00%
Company contribution under the benefit plan	$ 47,300,000	$ 44,900,000	$ 40,400,000