Segment and Geographic Information - Geographic Sales & PP&E (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		$ 6,442,891	$ 5,936,092	$ 5,972,101	$ 5,474,177	$ 6,751,342	$ 5,698,304	$ 5,829,989	$ 5,002,385	$ 23,825,261	$ 23,282,020	$ 22,768,674
Property, Plant, and Equipment, Net		756,299				700,178				756,299	700,178
Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	[1]									11,442,690	11,721,528	11,340,277
Property, Plant, and Equipment, Net	[2]	631,386				582,973				631,386	582,973
EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales										6,772,685	6,788,738	6,864,104
Property, Plant, and Equipment, Net		90,834				88,727				90,834	88,727
Asia/Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales										5,609,886	4,771,754	4,564,293
Property, Plant, and Equipment, Net		34,079				28,478				34,079	28,478
UNITED STATES
Revenues From External Customers And Long Lived Assets [Line Items]
Sales										10,501,131	10,761,932	$ 10,359,936
Property, Plant, and Equipment, Net		$ 626,964				$ 580,791				$ 626,964	$ 580,791

[1] Includes sales related to the United States of $10,501,131, $10,761,932, and $10,359,936 in 2016, 2015, and 2014, respectively.

[2] Includes net property, plant, and equipment related to the United States of $626,964 and $580,791 at December 31, 2016 and 2015, respectively.