Income Taxes (Reconciliation of Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Expected tax expense at U.S. Federal statutory rates	$ 1,226,422	$ 671,864	$ 433,059
State income taxes, net of Federal income tax effect	111,400	65,808	47,909
Foreign earnings at other than U.S. rates	(23,963)	12,212	56,969
Federal and California R&D tax credits	(82,909)	(113,882)	(134,523)
Valuation allowance on California R&D tax credits	0	183,283	0
Excess tax benefits on stock-based compensation	(290,899)	(339,436)	(148,693)
Tax effects of the Tax Cuts and Jobs Act	(254,763)	(87,194)	(127,534)
Global corporate structure simplification	0	0	35,939
Nondeductible Officers Compensation	26,874	30,351	24,111
Other	11,713	14,948	8,078
Provision for income taxes	$ 723,875	$ 437,954	$ 195,315
Effective Tax Rate	12.00%	14.00%	9.00%

Effective Income Tax Rate Reconciliation, Tax Structure Simplification

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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