Segment and Geographic Information - Geographic Sales & PP&E (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2012		Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011		Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	$ 5,402,705		$ 4,962,331	$ 5,150,563	$ 4,889,529	$ 5,440,473		$ 5,186,857	$ 5,539,931	$ 5,223,003	$ 20,405,128		$ 21,390,264		$ 18,744,676
Property, Plant and Equipment, Net	599,641					556,229					599,641		556,229
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales											9,746,612		9,706,593		8,254,191
Property, Plant and Equipment, Net	511,555					478,376					511,555		478,376
Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales											10,641,903	[1]	10,576,106	[1]	9,111,557	[1]
Property, Plant and Equipment, Net	512,775	[2]				479,420	[2]				512,775	[2]	479,420	[2]
EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales											5,927,231		6,889,479		5,633,508
Property, Plant and Equipment, Net	65,947					56,552					65,947		56,552
Asia/Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales											3,835,994		3,924,679		3,999,611
Property, Plant and Equipment, Net	$ 20,919					$ 20,257					$ 20,919		$ 20,257

[1] Includes sales related to the United States of $9,746,612, $9,706,593, and $8,254,191 in 2012, 2011, and 2010, respectively.

[2] Includes net property, plant and equipment related to the United States of $511,555 and $478,376 at December 31, 2012 and 2011, respectively.