Contingencies - Vioxx Litigation - Narrative (Detail) - Vioxx	9 Months Ended
	Sep. 30, 2015 USD ($) State legalmatter
Cases alleging personal injury
Loss Contingencies [Line Items]
Loss contingency, pending claims, number	20
Cases alleging economic loss
Loss Contingencies [Line Items]
Loss contingency, pending claims, number	30
Settlement agreement amount | $	$ 23,000,000
Cases Brought by State Attorneys General
Loss Contingencies [Line Items]
Loss contingency, pending claims, number | State	3
Securities Lawsuits
Loss Contingencies [Line Items]
Loss contingency, pending claims, number	13
Upper limits of Directors and Officers insurance coverage | $	$ 145,000,000
Canadian Litigation | Minimum
Loss Contingencies [Line Items]
Payments to be made pursuant to settlement agreement | $	21,000,000
Canadian Litigation | Maximum
Loss Contingencies [Line Items]
Payments to be made pursuant to settlement agreement | $	$ 36,000,000
Cases discovery completed | Securities Lawsuits
Loss Contingencies [Line Items]
Loss contingency, pending claims, number	8
Cases in discovery | Securities Lawsuits
Loss Contingencies [Line Items]
Loss contingency, pending claims, number	5