Balance Sheet Components - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 23,702,864	$ 21,679,353
Less accumulated depreciation	(8,257,089)	(7,176,269)
Property, plant and equipment, net	15,445,775	14,503,084
Capitalized computer software	1,200,000	885,500
Core systems
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,808,417	9,659,908
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,381,644	6,557,121
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	2,022,617	1,946,644
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	967,562	1,363,917
Personal property
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,551,642	1,207,669
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 970,982	$ 944,094