Derivative Instruments and Hedging Activities - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
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
Fair value of outstanding derivative instruments, net unrealized gain deferred in other comprehensive income	111,700,000
Cost of Products Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of outstanding derivative instruments, net unrealized gain expected to be reclassified to earnings	130,800,000
Fair value of outstanding derivative instruments, unrealized gain net of taxes expected to be reclassified to earnings	101,500,000
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	100,900,000
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%		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%		3.375%
Description of terms of interest rate derivatives terms	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%
Debt instrument term	30 years
Foreign Exchange Forward Contracts [Member] | Nondesignated [Member] | Minimum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	1,200,000,000
Foreign Exchange Forward Contracts [Member] | Nondesignated [Member] | Maximum [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	1,700,000,000
Foreign Exchange Contract [Member] | U.S. Dollars [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	1,228,500,000
Foreign Exchange Contract [Member] | Swiss Francs [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative notional amount, Total	$ 306,400,000