Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	$ 1,000,000,000
Loss on settlement of forward starting interest rate swaps	$ 97,600,000
Expected months of hedging of inter company sales of inventory to minimize the effects of foreign exchange rate movements		30 months
Amounts excluded from the assessment of hedge effectiveness		$ 0	$ 0	$ 0
Fair value of outstanding derivative instruments, net unrealized gain deferred in other comprehensive income		26,100,000
Cost of Products Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of outstanding derivative instruments, net unrealized gain (loss) expected to be reclassified to earnings		101,400,000
Fair value of outstanding derivative instruments, unrealized gain (loss) net of taxes expected to be reclassified to earnings		76,700,000
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of outstanding derivative instruments, net unrealized gain (loss) expected to be reclassified to earnings		(1,700,000)
Fair value of outstanding derivative instruments, unrealized gain (loss) net of taxes expected to be reclassified to earnings		(1,100,000)
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of outstanding derivative instruments, unrealized gain net of taxes deferred in other comprehensive income		29,800,000
4.625% Senior Notes due 2019 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total		$ 250,000,000
Interest rate of Senior Notes		4.625%
Description of terms of Interest rate Derivatives terms		Receive a fixed interest rate of 4.625 percent and pay variable interest equal to the three-month LIBOR plus an average of 133 basis points.
Description of variable interest rate basis		Three-month LIBOR
4.625% Senior Notes due 2019 [Member] | LIBOR [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swap basis spread on variable rate		1.33%
3.375% Senior Notes due 2021 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total		$ 300,000,000
Interest rate of Senior Notes		3.375%
Description of terms of Interest rate Derivatives terms		We receive a fixed interest rate of 3.375 percent and pay variable interest equal to the three-month LIBOR plus an average of 99 basis points.
Description of variable interest rate basis		Three-month LIBOR
3.375% Senior Notes due 2021 [Member] | LIBOR [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swap basis spread on variable rate		0.99%
4.450% Senior Notes due 2045 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate of Senior Notes		4.45%
Hedged senior notes maturity period		30 years
Foreign Exchange Contract [Member] | U.S. Dollars [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total		$ 1,427,500,000
Foreign Exchange Contract [Member] | Swiss Francs [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total		307,200,000
Foreign Exchange Forward Contracts [Member] | Nondesignated [Member] | Minimum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total		1,500,000,000
Foreign Exchange Forward Contracts [Member] | Nondesignated [Member] | Maximum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total		$ 2,000,000,000