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Summary of Significant Accounting Policies - Schedule of Changes in Carrying Value of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2020	Sep. 30, 2020
Gross amount of goodwill [Roll Forward]
Goodwill beginning balance	$ 4,485,209	$ 4,485,209
Non-deductible goodwill acquired during the period		51,319
Goodwill impairment		(23,000)
Fair value and other adjustments		(3,728)
Currency effects		(48,271)
Goodwill ending balance		4,461,529
Accumulated goodwill impairment		158,420
Global RIM Business
Gross amount of goodwill [Roll Forward]
Goodwill beginning balance	3,942,901	3,942,901
Non-deductible goodwill acquired during the period		51,319
Goodwill impairment		0
Fair value and other adjustments		(4,131)
Currency effects		(54,428)
Goodwill ending balance		3,935,661
Accumulated goodwill impairment		132,409
Global Data Center Business
Gross amount of goodwill [Roll Forward]
Goodwill beginning balance	424,568	424,568
Non-deductible goodwill acquired during the period		0
Goodwill impairment		0
Fair value and other adjustments		0
Currency effects		6,026
Goodwill ending balance		430,594
Accumulated goodwill impairment		0
Corporate and Other Business
Gross amount of goodwill [Roll Forward]
Goodwill beginning balance	117,740	117,740
Non-deductible goodwill acquired during the period		0
Goodwill impairment		(23,000)
Fair value and other adjustments		403
Currency effects		131
Goodwill ending balance		95,274
Accumulated goodwill impairment		$ 26,011
Fine Arts
Gross amount of goodwill [Roll Forward]
Goodwill impairment	$ (23,000)

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