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Segment Information - Summary of Revenue Disaggregated by Reportable Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Disaggregation of revenue	$ 2,349,596	$ 2,743,377	$ 4,673,543	$ 5,394,227
Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	2,170,648	2,575,004	4,351,052	5,099,805
Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	178,948	168,373	322,491	294,422
North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,897,166	2,247,444	3,731,130	4,311,949
North America | Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,767,933	2,126,656	3,493,110	4,097,577
North America | Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	129,233	120,788	238,020	214,372
EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	391,726	426,331	818,730	957,764
EMEA | Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	352,085	389,421	753,428	896,283
EMEA | Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	39,641	36,910	65,302	61,481
APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	60,704	69,602	123,683	124,514
APAC | Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	50,630	58,927	104,514	105,945
APAC | Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	10,074	10,675	19,169	18,569
Large Enterprise / Corporate
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,638,244	1,935,807	3,262,242	3,749,869
Large Enterprise / Corporate | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,321,876	1,597,988	2,615,409	3,036,717
Large Enterprise / Corporate | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	289,519	306,389	598,582	660,293
Large Enterprise / Corporate | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	26,849	31,430	48,251	52,859
Commercial
Segment Reporting Information [Line Items]
Disaggregation of revenue	381,497	485,738	775,337	959,977
Commercial | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	359,750	448,974	731,775	890,133
Commercial | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	3,609	19,312	8,399	37,733
Commercial | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	18,138	17,452	35,163	32,111
Public Sector
Segment Reporting Information [Line Items]
Disaggregation of revenue	329,855	321,832	635,964	684,381
Public Sector | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	215,540	200,482	383,946	385,099
Public Sector | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	98,598	100,630	211,749	259,738
Public Sector | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	15,717	20,720	40,269	39,544
Hardware
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,310,273	1,731,116	2,639,118	3,404,704
Hardware | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,165,127	1,559,474	2,320,766	3,010,793
Hardware | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	132,220	155,384	295,110	366,007
Hardware | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	12,926	16,258	23,242	27,904
Software
Segment Reporting Information [Line Items]
Disaggregation of revenue	635,336	618,126	1,274,136	1,254,825
Software | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	417,327	377,007	812,124	718,554
Software | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	196,060	212,997	410,621	485,399
Software | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	21,949	28,122	51,391	50,872
Services
Segment Reporting Information [Line Items]
Disaggregation of revenue	403,987	394,135	760,289	734,698
Services | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	314,712	310,963	598,240	582,602
Services | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	63,446	57,950	112,999	106,358
Services | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	$ 25,829	$ 25,222	$ 49,050	$ 45,738

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