Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
(Benefit) Provision for income taxes	$ (456,754)	$ 22,080	$ (415,805)	$ 46,811
Discrete tax (benefit) expense	(465,300)	$ 1,700	(445,800)	$ 11,400
Release of valuation allowances on deferred tax assets	492,200
Reasonably possible changes to unrecognized tax benefits related to settlement of tax audits and/or expiration of statutes of limitations within the next twelve months	32,000		32,000
Deferred tax liabilities, undistributed foreign earnings	1,000		1,000
Undistributed earnings of foreign subsidiaries	$ 3,500,000		$ 3,500,000