Restructuring Activities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost And Reserve [Line Items]
Cash payments (including associated costs)		$ 71.7	$ 62.9
2013 Earnings Quality Improvement Program
Restructuring Cost And Reserve [Line Items]
Expected completed date of restructuring program		Dec. 31, 2015
Anticipated cash payments in 2013	65	65
Cash payments (including associated costs)	14.0	14.0
Restructuring expected accrual to pay	42	42
Restructuring expected accrual remaining to pay	16	16
2013 Earnings Quality Improvement Program | Minimum
Restructuring Cost And Reserve [Line Items]
Reduction in headcount, employees	400	400
Expected associated cost related to restructuring		180
Other costs		5
Capital expenditure related to restructuring and associated activities		55
2013 Earnings Quality Improvement Program | Minimum | Severance and termination benefits
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring		90
2013 Earnings Quality Improvement Program | Minimum | Facility relocation and closures
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring		85
2013 Earnings Quality Improvement Program | Maximum
Restructuring Cost And Reserve [Line Items]
Reduction in headcount, employees	500	500
Expected associated cost related to restructuring		200
Other costs		10
Capital expenditure related to restructuring and associated activities		70
2013 Earnings Quality Improvement Program | Maximum | Severance and termination benefits
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring		95
2013 Earnings Quality Improvement Program | Maximum | Facility relocation and closures
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring		95
2011-2014 Integration and Optimization Program
Restructuring Cost And Reserve [Line Items]
Expected completed date of restructuring program		Dec. 31, 2014
Restructuring expected accrual to pay	33	33
Restructuring expected accrual remaining to pay	3	3
Asset impairment charges			5
Cumulative cash payments (including associated costs)	190	190
2011-2014 Integration and Optimization Program | Stock Appreciation Rights (SARs)
Restructuring Cost And Reserve [Line Items]
Amount of stock appreciation rights that were issued	$ 0.2	$ 1.0	$ 8.0