Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of revenue by geographical region

The following table sets forth percentages of our revenues by geographic region for the years ended December 31:

	2021		2020		2019
Americas	46	%	45	%	47	%
EMEA	32	%	33	%	32	%
Asia-Pacific	22	%	22	%	21	%

Property, plant and equipment, net

Our estimated useful lives of property, plant and equipment are generally as follows:

Core systems	3	-	40 years
Buildings	12	-	60 years
Leasehold improvements	12	-	40 years
Personal Property, including capitalized internal-use software	3	-	10 years

Property, plant and equipment, net consisted of the following as of December 31 (in thousands):

	2021		2020
Core systems	$	10,808,417	$	9,659,908
Buildings	7,381,644		6,557,121
Leasehold improvements	2,022,617		1,946,644
Construction in progress	967,562		1,363,917
Personal property (1)	1,551,642		1,207,669
Land	970,982		944,094
	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

(1)Personal property included $1.2 billion and $885.5 million of capitalized internal-use software as of December 31, 2021 and 2020, respectively.