Goodwill - Schedule of Reporting Units Goodwill Balances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill	$ 7,046,241	$ 6,919,109	$ 6,787,635
Percentage change in operating income used to evaluate fair value of reporting unit for goodwill assessment	3.00%
Percentage change in discount rate used to evaluate fair value of reporting unit for goodwill assessment	1.00%
Kidney Care | GERMANY
Goodwill [Line Items]
Goodwill	$ 298,499
Carrying amount coverage	6.60%
Sensitivities, Operating Income	(1.70%)
Sensitivities, Discount rate	(9.40%)