Goodwill and Other Intangible Assets - Finite-lived and Indefinite-lived Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	Sep. 29, 2013		Dec. 31, 2012
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	$ 74,579		$ 74,920
Finite-lived Intangible Assets, Accumulated Amortization	(41,906)	[1]	(38,230)	[1]
Finite-lived Intangible Assets, less Accumulated Amortization	32,673		36,690
Total indefinite-lived intangible assets	7,876		8,456
Intangible assets, gross carrying amount	82,455	[1]	83,376	[1]
Identifiable Intangible Assets, less Accumulated Amortization	40,549	[1]	45,146	[1]
Indefinite Lived Brands [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Brands	7,373		7,786
In-Process Research And Development [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
In-process research and development	500		669
Trademarks / Tradenames [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Trademarks/tradenames	3		1
Developed Technology Rights [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	72,025		72,349
Finite-lived Intangible Assets, Accumulated Amortization	(40,432)		(36,895)
Finite-lived Intangible Assets, less Accumulated Amortization	31,593		35,454
Brands [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	1,657		1,657
Finite-lived Intangible Assets, Accumulated Amortization	(752)		(693)
Finite-lived Intangible Assets, less Accumulated Amortization	905		964
License Agreements and Other [Member]
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets, Gross Carrying Amount	897		914
Finite-lived Intangible Assets, Accumulated Amortization	(722)		(642)
Finite-lived Intangible Assets, less Accumulated Amortization	$ 175		$ 272

[1] The decrease is primarily related to amortization, asset impairment charges and the transfer of certain product rights to our equity-method investment in China. For additional information about the asset impairment charges, see Note 4. Other (Income)/Deductions—Net. For additional information about the transfer of certain product rights, see Note 2D. Acquisitions, Divestitures, Collaborative Arrangement and Equity-Method Investments: Equity-Method Investments.