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Subsequent Events - Additional Information (Detail) (Subsequent Event, European Restructuring Plan, USD $) In Millions, unless otherwise specified	0 Months Ended
	Oct. 14, 2014 Employee	Oct. 14, 2014
Subsequent Event [Line Items]
Approximate number of employee's positions to be eliminated	1,100
Approximate number of employee's positions previously eliminated	300
Restructuring plan, expected completion date	2015-12
Anticipated pre-tax restructuring expenses		$ 120
Expected cash expenditures related to restructuring expenses during 2014 and 2015	112
Employee Severance And Termination Benefits
Subsequent Event [Line Items]
Anticipated pre-tax restructuring expenses	95	95
Lease Obligations and Other Costs
Subsequent Event [Line Items]
Anticipated pre-tax restructuring expenses	$ 25	$ 25