Segment, Geographic and Other Revenue Information - Revenues By Geographic Area (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2013		Sep. 30, 2012		Sep. 29, 2013		Sep. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 12,643		$ 12,953		$ 38,026		$ 40,766
Percentage Change in Revenue	(2.00%)				(7.00%)
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,186		5,174		15,190		16,011
Percentage Change in Revenue	0.00%				(5.00%)
Developed Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	2,785	[1]	2,804	[1]	8,502	[1]	9,433	[1]
Percentage Change in Revenue	(1.00%)	[1]			(10.00%)	[1]
Developed Rest Of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,992	[2]	2,386	[2]	6,139	[2]	7,383	[2]
Percentage Change in Revenue	(17.00%)	[2]			(17.00%)	[2]
Emerging Markets [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,680	[3]	$ 2,589	[3]	$ 8,195	[3]	$ 7,939	[3]
Percentage Change in Revenue	4.00%	[3]			3.00%	[3]

[1] Developed Europe region includes the following markets: Western Europe, Finland and the Scandinavian countries. Revenues denominated in euros were $2.1 billion and $2.1 billion in both the third quarter of 2013 and 2012, and $6.4 billion and $7.1 billion in the first nine months of 2013 and 2012, respectively.

[2] Developed Rest of World region includes the following markets: Australia, Canada, Japan, New Zealand and South Korea.

[3] Emerging Markets region includes, but is not limited to, the following markets: Asia (excluding Japan and South Korea), Latin America, the Middle East, Eastern Europe, Africa, Turkey and Central Europe.