5. Supplemental Cash Flow Information - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Supplemental Cash Flow Elements [Abstract]
Net Income Attributable to Parent	$ 2,967,165	$ 1,205,189
Share-based Compensation	29,300	25,400
(Gain) Loss on Sale of Securities, Net	(600)	(200)
Other than Temporary Impairment Losses on Investments	4,600	1,600
Changes in fair market value of equity securities	(3,591,500)	(1,385,000)
Loss on Disposition of Property Plant Equipment	300	300
Changes in fair value of contingent consideration	(1,000)	(600)
(Increase) decrease in accounts receivable	(9,600)	30,400
Increase in inventories	(83,500)	(14,500)
(Increase) decrease in other current assets	(6,400)	47,900
Increase (decrease) in accounts payable and other current liabilities	79,200	(24,600)
Increase (decrease) in income taxes payable	3,100	(2,800)
Increase in deferred income taxes	790,100	310,900
Increase in other long term liabilities	19,700	5,500
Gain on Disposition of a division	(11,700)	0
Operating Lease, Right-of-Use Asset, Amortization Expense	27,700	31,100
Other Depreciation and Amortization	101,900	99,800
Other	(1,100)	(4,700)
Payments of operating lease liabilities	(27,100)	(27,600)
Net cash provided by operating activities	290,594	298,095
Noncash or Part Noncash Acquisition, Investments Acquired	2,000	2,800
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	$ 6,100	$ 4,500