Segment Information - Summary of Revenue Disaggregated by Reportable Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Disaggregation of revenue	$ 2,323,947	$ 2,650,850
Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	2,180,404	2,524,801
Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	143,543	126,049
North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,833,964	2,064,505
North America | Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,725,177	1,970,921
North America | Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	108,787	93,584
EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	427,004	531,433
EMEA | Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	401,343	506,862
EMEA | Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	25,661	24,571
APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	62,979	54,912
APAC | Gross revenue recognition (Principal)
Segment Reporting Information [Line Items]
Disaggregation of revenue	53,884	47,018
APAC | Net revenue recognition (Agent)
Segment Reporting Information [Line Items]
Disaggregation of revenue	9,095	7,894
Large Enterprise / Corporate
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,623,998	1,814,062
Large Enterprise / Corporate | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,293,533	1,438,729
Large Enterprise / Corporate | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	309,063	353,904
Large Enterprise / Corporate | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	21,402	21,429
Commercial
Segment Reporting Information [Line Items]
Disaggregation of revenue	393,840	474,239
Commercial | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	372,025	441,159
Commercial | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	4,790	18,421
Commercial | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	17,025	14,659
Public Sector
Segment Reporting Information [Line Items]
Disaggregation of revenue	306,109	362,549
Public Sector | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	168,406	184,617
Public Sector | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	113,151	159,108
Public Sector | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	24,552	18,824
Hardware
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,328,845	1,673,588
Hardware | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	1,155,639	1,451,319
Hardware | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	162,890	210,623
Hardware | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	10,316	11,646
Software
Segment Reporting Information [Line Items]
Disaggregation of revenue	638,800	636,699
Software | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	394,797	341,547
Software | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	214,561	272,402
Software | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	29,442	22,750
Services
Segment Reporting Information [Line Items]
Disaggregation of revenue	356,302	340,563
Services | North America
Segment Reporting Information [Line Items]
Disaggregation of revenue	283,528	271,639
Services | EMEA
Segment Reporting Information [Line Items]
Disaggregation of revenue	49,553	48,408
Services | APAC
Segment Reporting Information [Line Items]
Disaggregation of revenue	$ 23,221	$ 20,516