Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Income Tax Contingency [Line Items]
Income before provision for income taxes	$ 1,082,741	$ 745,871	$ 1,859,446	$ 2,228,175
Provision for income taxes	$ 230,813	$ 78,437	$ 287,456	$ 120,718
Effective tax rate	21.00%	11.00%	15.00%	5.00%
Discrete tax benefit associated with intra-entity transfer of intellectual property rights				$ 209,000
Net unrecognized tax benefits which would affect the tax rate if recognized	$ 89,000		$ 89,000		$ 75,800
UK Corporate Tax Rate
Income Tax Contingency [Line Items]
Discrete tax benefit associated with an increase in the U.K. corporate tax rate			$ 99,700