Acquisitions and Divestitures - Assets Acquired and Liabilities Assumed (Detail) (USD $) In Millions, unless otherwise specified	Jul. 01, 2012	Dec. 31, 2011	Jan. 31, 2011 King [Member]
Business Acquisition [Line Items]
Working capital, excluding inventories			$ 155
Inventories			340
Property, plant and equipment			412
Identifiable intangible assets, excluding in-process research and development			1,806
In-process research and development			303
Net tax accounts			(328)
All other long-term assets and liabilities, net			102
Total identifiable net assets			2,790
Goodwill	44,568	44,569	765	[1]
Net assets acquired			3,555
Total consideration transferred			$ 3,555

[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.)