Balance Sheet Components - Net Book Value of Intangible Assets by Geographic Regions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-lived Intangible Assets [Roll Forward]
Intangible assets, net beginning balance	$ 1,935,267	$ 2,170,945	$ 2,102,389
Other asset acquisition			64,905
Amortization of intangibles	(204,755)	(205,484)	(199,047)
Impact of foreign currency exchange	(51,152)	(45,666)	45,817
Intangible assets, net ending balance	1,897,649	1,935,267	2,170,945
Axtel
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			22,750
Packet Host, Inc.
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			58,500
Bell
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			75,631
GPX India
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period		15,472
Entel Chile
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	153,489
Entel Peru
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	10,000
MainOne
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	54,800
Americas
Finite-lived Intangible Assets [Roll Forward]
Intangible assets, net beginning balance	1,327,753	1,463,089	1,443,292
Other asset acquisition			0
Amortization of intangibles	(137,358)	(133,289)	(133,608)
Impact of foreign currency exchange	(3,570)	(2,047)	(3,476)
Intangible assets, net ending balance	1,350,314	1,327,753	1,463,089
Americas | Axtel
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			22,750
Americas | Packet Host, Inc.
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			58,500
Americas | Bell
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			75,631
Americas | GPX India
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period		0
Americas | Entel Chile
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	153,489
Americas | Entel Peru
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	10,000
Americas | MainOne
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	0
EMEA
Finite-lived Intangible Assets [Roll Forward]
Intangible assets, net beginning balance	431,942	518,027	466,564
Other asset acquisition			64,905
Amortization of intangibles	(52,283)	(55,807)	(49,417)
Impact of foreign currency exchange	(33,052)	(30,278)	35,975
Intangible assets, net ending balance	401,407	431,942	518,027
EMEA | Axtel
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			0
EMEA | Packet Host, Inc.
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			0
EMEA | Bell
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			0
EMEA | GPX India
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period		0
EMEA | Entel Chile
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	0
EMEA | Entel Peru
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	0
EMEA | MainOne
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	54,800
Asia-Pacific
Finite-lived Intangible Assets [Roll Forward]
Intangible assets, net beginning balance	175,572	189,829	192,533
Other asset acquisition			0
Amortization of intangibles	(15,114)	(16,388)	(16,022)
Impact of foreign currency exchange	(14,530)	(13,341)	13,318
Intangible assets, net ending balance	145,928	175,572	189,829
Asia-Pacific | Axtel
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			0
Asia-Pacific | Packet Host, Inc.
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			0
Asia-Pacific | Bell
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period			$ 0
Asia-Pacific | GPX India
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period		$ 15,472
Asia-Pacific | Entel Chile
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	0
Asia-Pacific | Entel Peru
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	0
Asia-Pacific | MainOne
Finite-lived Intangible Assets [Roll Forward]
Intangible assets acquired during period	$ 0