Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net Income (Loss) Attributable to Parent	$ 1,314,824	$ (258,816)	$ 2,967,165	$ 1,205,189
Foreign currency translation adjustments	144,902	(103,332)	167,366	(109,888)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent	333	359	924	501
Net unrealized holding gains (losses) on available-for-sale investments net of tax expense	(122)	433	3,029	4,232
Total other comprehensive income (loss) net of tax	145,113	(102,540)	171,319	(105,155)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 1,459,937	$ (361,356)	$ 3,138,484	$ 1,100,034