Segment and Geographic Information (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
Sales:
Sales		$ 6,953,740	$ 5,936,092	$ 19,178,638	$ 17,382,370
Operating income (loss):
Operating income (loss)		235,992	198,684	657,536	603,640
Restructuring, integration, and other charges		15,896	24,267	55,817	61,161
Assets		15,056,966		15,056,966		$ 14,206,366
Global Components [Member]
Sales:
Sales		4,864,361	3,904,447	13,385,514	11,413,348
Operating income (loss):
Operating income (loss)		212,993	175,507	583,690	524,662
Assets		9,674,716		9,674,716		8,360,926
Global ECS [Member]
Sales:
Sales		2,089,379	2,031,645	5,793,124	5,969,022
Operating income (loss):
Operating income (loss)		94,797	96,181	282,379	283,792
Assets		4,590,887		4,590,887		5,053,172
Corporate Segment [Member]
Operating income (loss):
Operating income (loss)	[1]	(71,798)	$ (73,004)	(208,533)	$ (204,814)
Assets		$ 791,363		$ 791,363		$ 792,268

[1] Includes restructuring, integration, and other charges of $15,896 and $55,817 for the third quarter and first nine months of 2017 and $24,267 and $61,161 for the third quarter and first nine months of 2016, respectively.