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Restructuring Activities - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
2011-2014 Integration and Optimization Program [Member]
    
Restructuring Cost and Reserve [Line Items]    
Other costs $ 2  
Expected completed date of restructuring program Dec. 31, 2014  
Cash payments during 2013 19.1  
Consulting fees 2  
Asset impairment charges   5
Cumulative cash payments 129  
Restructuring expected accrual to pay 59  
Restructuring expected accrual remaining to pay 8  
2011-2014 Integration and Optimization Program [Member] | Stock Appreciation Rights (SARs) [Member]
    
Restructuring Cost and Reserve [Line Items]    
Amount of stock appreciation rights that were issued 1 7
2013 Earnings Quality Improvement Program [Member]
    
Restructuring Cost and Reserve [Line Items]    
Expected completed date of restructuring program Dec. 31, 2015  
Cash payments during 2013 65.0  
2013 Earnings Quality Improvement Program [Member] | Minimum [Member]
    
Restructuring Cost and Reserve [Line Items]    
Reduction in headcount, employees 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 [Member] | Minimum [Member] | Severance and termination benefits [Member]
    
Restructuring Cost and Reserve [Line Items]    
Expected associated cost related to restructuring 90  
2013 Earnings Quality Improvement Program [Member] | Minimum [Member] | Facility relocation and closures [Member]
    
Restructuring Cost and Reserve [Line Items]    
Expected associated cost related to restructuring 85  
2013 Earnings Quality Improvement Program [Member] | Maximum [Member]
    
Restructuring Cost and Reserve [Line Items]    
Reduction in headcount, employees 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 [Member] | Maximum [Member] | Severance and termination benefits [Member]
    
Restructuring Cost and Reserve [Line Items]    
Expected associated cost related to restructuring 95  
2013 Earnings Quality Improvement Program [Member] | Maximum [Member] | Facility relocation and closures [Member]
    
Restructuring Cost and Reserve [Line Items]    
Expected associated cost related to restructuring $ 95