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Balance Sheet Components - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 21,679,353	$ 18,087,247
Less accumulated depreciation	(7,176,269)	(5,934,650)
Property, plant and equipment, net	14,503,084	12,152,597	$ 10,732,909	$ 11,026,020
Capitalized computer software	885,500	687,400
Core systems
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	9,659,908	8,131,835
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	6,557,121	5,398,525
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,946,644	1,764,058
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,363,917	1,002,104
Personal property
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,207,669	1,009,701
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 944,094	$ 781,024

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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