Segment and Geographic Information - Geographic Sales & PP&E (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		$ 6,953,740	$ 5,936,092	$ 19,178,638	$ 17,382,370
Property, plant, and equipment, net		815,379		815,379		$ 756,299
Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	[1]	3,217,537	2,897,810	8,829,813	8,327,845
Property, plant, and equipment, net	[2]	671,668		671,668		631,386
EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	[3]	1,886,440	1,548,067	5,406,330	4,990,973
Property, plant, and equipment, net		104,028		104,028		90,834
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		1,849,763	1,490,215	4,942,495	4,063,552
Property, plant, and equipment, net		39,683		39,683		34,079
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		2,959,857	$ 2,677,954	8,060,819	$ 7,665,313
Property, plant, and equipment, net		$ 666,511		$ 666,511		$ 626,964

[1] Includes sales related to the United States of $2,959,857 and $8,060,819 for the third quarter and first nine months of 2017 and $2,677,954 and $7,665,313 for the third quarter and first nine months of 2016, respectively.

[2] Includes net property, plant, and equipment related to the United States of $666,511 and $626,964 at September 30, 2017 and December 31, 2016, respectively.

[3] Defined as Europe, the Middle East, and Africa.