Share Repurchase Program and Treasury Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Stock Repurchase Program, Additional Authorized Amount			$ 2,500,000
Share Repurchase Program and Treasury Stock (Textuals) [Abstract]
Authorized amount under share repurchase program	$ 2,800,000
Shares Purchased Under Share Repurchase Program	29,700,000
Repurchases of common stock	$ (262,500)	$ (200,000)
Number of shares repurchased	(224,808)	(268,161)
Average price of share repurchased, per share	$ 1,167.64	$ 745.80
Exercise of stock options and restricted stock units, shares reissued	22,388	50,372