Stockholders' Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Summary of accumulated other comprehensive income/(loss) [Line Items]
Total accumulated other comprehensive income (loss)	$ 17,782,916	$ 16,850,829	$ 16,691,017	$ 16,881,572	$ 16,961,102	$ 16,936,527	$ 17,066,337	$ 16,506,627
Foreign currency translation
Summary of accumulated other comprehensive income/(loss) [Line Items]
Total accumulated other comprehensive income (loss)	(677,331)			(621,792)
Derivative and financial instruments designated as hedges
Summary of accumulated other comprehensive income/(loss) [Line Items]
Total accumulated other comprehensive income (loss)	574,154			473,288
Total accumulated other comprehensive income (loss)
Summary of accumulated other comprehensive income/(loss) [Line Items]
Total accumulated other comprehensive income (loss)	$ (103,177)	$ (127,948)	$ (128,136)	$ (148,504)	$ (126,469)	$ (116,856)	$ (96,213)	$ (112,157)