Commitments and Contingencies - Additional Information (Detail) (USD $)	3 Months Ended
	Jun. 30, 2011	Dec. 31, 2013
Other Commitments [Line Items]
Customer remediation period expense	$ 66,000,000
Guarantees of subsidiaries		159,000,000
Outstanding purchase orders		2,500,000,000
Future Minimum Sublease Rentals, Operating Leases, Due Total		8,000,000
Minimum
Other Commitments [Line Items]
Future Minimum Sublease Rentals, Operating Leases, Due Per Year		1,000,000
Maximum
Other Commitments [Line Items]
Future Minimum Sublease Rentals, Operating Leases, Due Per Year		$ 2,000,000