Segment and Geographic Information (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Sales:
Sales		$ 8,454,192	$ 7,231,260	$ 6,606,494	$ 6,381,417	$ 7,338,190	$ 7,078,118	$ 7,344,548	$ 7,155,991	$ 28,673,363	[1]	$ 28,916,847	[1]	$ 29,676,768	[1]
Operating income (loss):
Operating income		321,412	$ 238,182	$ 196,613	138,304	238,108	173,218	(549,190)	$ 245,560	894,511		107,696		1,147,512
Impairment								697,993		7,223		698,246		0
Restructuring, integration, and other charges										13,288		89,785		60,361
Loss on disposition of businesses, net						5,813				0		21,252		3,604
ASSETS
Assets		17,053,911				16,400,796				17,053,911		16,400,796
Foreign tax and other loss contingencies					$ 32,700
Global components [Member]
Sales:
Sales										20,502,687		20,250,735		20,856,851
Operating income (loss):
Operating income	[2]									780,333		(10,199)		1,007,638
Inventory Write-down								20,114				22,332
Receivables and Inventory write down								$ 15,851				18,037
Restructuring, integration, and other charges												10,778
Loss on disposition of businesses, net							$ 14,573					19,384
ASSETS
Assets		10,509,970				10,253,006				10,509,970		10,253,006
Global ECS [Member]
Sales:
Sales										8,170,676		8,666,112		8,819,917
Operating income (loss):
Operating income	[3]									353,763		426,192		427,605
Impairment										4,918
ASSETS
Assets		5,718,992				5,479,919				5,718,992		5,479,919
Foreign tax and other loss contingencies										29,858
Corporate [Member]
Operating income (loss):
Operating income	[4]									(239,585)		(308,297)		(287,731)
Impairment										2,305
Restructuring, integration, and other charges										13,288		79,007		60,361
Loss on disposition of businesses, net												1,868		$ 3,604
ASSETS
Assets		$ 824,949				$ 667,871				$ 824,949		$ 667,871

[1] Includes sales related to the United States of $10,162,989, $11,511,611, and $12,157,306 for 2020, 2019, and 2018, respectively.

[2] Global components operating income for 2019 includes restructuring, integration, and other charges of $10,778, a loss on disposition of businesses, net, of $19,384, impairments of $698,246, a non-recurring charge of $22,332 related to a subset of inventory held by its digital business, and a non-recurring charge of $18,037 related to the receivables and inventory of its financing solutions business. During 2019 the company decided to narrow its digital inventory offerings and will no longer provide notes to its components customers.

[3] Global ECS operating income for 2020 includes reserves and other adjustments of approximately $29,858 primarily related to foreign tax and other loss contingencies. These reserves are principally associated with transactional taxes on activity from several prior years, not significant to any one year. Global ECS operating income for 2020 also includes $4,918 in impairment charges related to various long-lived assets.

[4] Corporate operating income for the years 2020, 2019, and 2018 includes restructuring, integration, and other charges (credits) of $13,288, $79,007, and $60,361, respectively. Also included in 2019 and 2018 was a net loss on the disposition of businesses of $1,868 and $3,604, respectively. Corporate operating income for 2020 includes $2,305 of impairment charges related to various long-lived assets.