Property, Plant and Equipment - Property, Plant and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Land	$ 63	$ 61
Buildings and improvements	407	368
Machinery, equipment, furniture and fixtures	1,526	1,347
Leasehold improvements	322	292
Gross property, plant and equipment	2,318	2,068
Accumulated depreciation and amortization	(1,301)	(1,147)
Property, plant and equipment, net	$ 1,017	$ 921