Plant and Equipment Stated at Historical Cost (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant, and Equipment Disclosure [Line Items]
Land	$ 3	$ 3
Buildings	104	95
Equipment	684	657
Total	791	755
Accumulated depreciation	(475)	(457)
Plant and equipment, net	$ 316	$ 298

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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