Acquisition of King Pharmaceuticals, Inc. Narrative (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended			3 Months Ended	9 Months Ended
	Oct. 02, 2011		Oct. 03, 2010		Oct. 02, 2011		Oct. 03, 2010		Oct. 02, 2011 King [Member]	Oct. 02, 2011 King [Member]	Feb. 28, 2011 King [Member]	Jan. 31, 2011 King [Member]	Oct. 03, 2010 King [Member] Pro Forma Consolidated Results [Member]	Oct. 02, 2011 King [Member] Pro Forma Consolidated Results [Member]	Oct. 03, 2010 King [Member] Pro Forma Consolidated Results [Member]
Business Acquisition [Line Items]
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					$ 3,188					$ 3,188
Gross contractual amount receivable												200
Revenues									357	938
Elimination of intangible asset amortization													18	6	98
Additional amortization of intangible assets													48	15	136
Additional depreciation expense													9	3	26
Purchase accounting adjustment for estimated sales of acquisition-date inventory at fair value	3,679	[1]	3,790	[1]	11,177	[1]	11,676	[1]					33	(146)	146
Adjustment for acquisition-related costs													$ 11	$ (205)	$ 205

[1] Exclusive of amortization of intangible assets, except as disclosed in Note 11B. Goodwill and Other Intangible Assets: Other Intangible Assets.