Restructuring Activities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
EQIP [Member]
Restructuring Cost And Reserve [Line Items]
Expected completed date of restructuring program	Dec. 31, 2016
Restructuring payments	$ 55
Restructuring expected accrual to pay	39
Restructuring expected accrual remaining to pay	7
Capital expenditures	3.0
EQIP [Member] | Minimum [Member]
Restructuring Cost And Reserve [Line Items]
Reduction in headcount, employees	750
Expected associated cost related to restructuring	190
Capital expenditure related to restructuring and associated activities	50
EQIP [Member] | Minimum [Member] | Severance and termination benefits [Member]
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring	105
EQIP [Member] | Minimum [Member] | Facility relocation and closures [Member]
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring	85
EQIP [Member] | Maximum [Member]
Restructuring Cost And Reserve [Line Items]
Reduction in headcount, employees	900
Expected associated cost related to restructuring	210
Capital expenditure related to restructuring and associated activities	55
EQIP [Member] | Maximum [Member] | Severance and termination benefits [Member]
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring	120
EQIP [Member] | Maximum [Member] | Facility relocation and closures [Member]
Restructuring Cost And Reserve [Line Items]
Expected associated cost related to restructuring	90
IOP [Member]
Restructuring Cost And Reserve [Line Items]
Expected completed date of restructuring program	Dec. 31, 2015
Restructuring expected accrual to pay	17
Restructuring expected accrual remaining to pay	1
Capital expenditures		4.0
Cumulative cash payments	211
IOP [Member] | Maximum [Member]
Restructuring Cost And Reserve [Line Items]
Capital expenditures	$ 1.0