Goodwill and Other Intangible Assets - Finite-lived and Indefinite-lived intangible assets (Detail) (USD $) In Millions	Jul. 03, 2011		Dec. 31, 2010
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	$ 74,168		$ 71,228
Finite-lived Intangible Assets, Accumulated Amortization	(30,833)	[1]	(27,402)	[1]
Identifiable Intangible Assets, less Accumulated Amortization	43,335		43,826
Indefinite-lived intangible assets:
Brands	10,285		10,219
In-process research and development	3,366		3,438
Trademarks	73		72
Total indefinite-lived intangible assets	13,724		13,729
Total identifiable intangible assets, less accumulated amortization	57,059	[1]	57,555	[1]
Intangible assets, gross carrying amount	87,892	[1]	84,957	[1]
Developed Technology Rights [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	71,354		68,432
Finite-lived Intangible Assets, Accumulated Amortization	(29,608)		(26,223)
Identifiable Intangible Assets, less Accumulated Amortization	41,746		42,209
Brands [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	1,710		1,626
Finite-lived Intangible Assets, Accumulated Amortization	(649)		(607)
Identifiable Intangible Assets, less Accumulated Amortization	1,061		1,019
Licensing Agreements [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	582		637
Finite-lived Intangible Assets, Accumulated Amortization	(254)		(248)
Identifiable Intangible Assets, less Accumulated Amortization	328		389
Trademarks And Other [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	522		533
Finite-lived Intangible Assets, Accumulated Amortization	(322)		(324)
Identifiable Intangible Assets, less Accumulated Amortization	$ 200		$ 209

[1] The decrease is primarily related to amortization as well as impairment charges (see Note 6. Other (Income)/Deductions-Net) of intangible assets, partially offset by the assets acquired as part of the acquisition of King (see Note 3. Acquisition of King Pharmaceuticals, Inc.) and the impact of foreign exchange.