Restructuring Charges and Other Costs Associated with Acquisitions and Cost-Reduction/Productivity Initiatives - Asset Impairment Charges (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jul. 01, 2012
Impaired Long-Lived Assets Held and Used [Line Items]
Long-lived assets held-for-sale	$ 99	[1]
Long-lived assets held-for-sale cost of sale	2
Property, plant, and equipment and other long-lived assets, fair value	97
Impairment charge, included in restructuring charges	$ 227	[1]

[1] Reflects property, plant and equipment and other long-lived assets written down to their fair value of $99 million, less costs to sell of $2 million (a net of $97 million), in the first six months of 2012. The impairment charges of $227 million are included in Restructuring charges and certain acquisition-related costs. Fair value is determined primarily using a market approach, with various inputs, such as recent sales transactions.