Acquisitions and Divestitures - Narrative (Detail) (USD $)	6 Months Ended			1 Months Ended			6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Dec. 31, 2011	Apr. 23, 2012 Nutrition [Member]	Aug. 31, 2011 Capsugel [Member]	Apr. 01, 2012 Ferrosan Holding A/S [Member]	Jul. 03, 2011 King [Member]	Feb. 28, 2011 King [Member]	Jan. 31, 2011 King [Member]		Feb. 26, 2012 Alacer Corp [Member]
Significant Acquisitions and Disposals [Line Items]
Identifiable intangible assets						$ 483,000,000			$ 2,790,000,000		$ 247,000,000
Net deferred tax liabilities						124,000,000					94,000,000
Goodwill	44,568,000,000		44,569,000,000			231,000,000			765,000,000	[1]	151,000,000
Acquisition purchase price per share								$ 14.25	$ 14.25
Percent of outstanding shares initially acquired									92.50%
Payments to acquire businesses, net of cash acquired	782,000,000	3,169,000,000					3,169,000,000
Total consideration transferred									3,555,000,000
Gross contractual amount receivable									200,000,000
Sale price for discontinued operation				$ 11,850,000,000	$ 2,400,000,000

[1] Goodwill recorded as of the acquisition date totaled $720 million for our three biopharmaceutical operating segments and $45 million for our Animal Health and Consumer Healthcare operating segment. (Since the acquisition of King, we have revised our operating segments. See Note 13A. Segment, Geographic and Other Revenue Information: Segment Information.)