Earnings Per Share - Computation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic earnings per share:
Net income	$ 1,398,242	$ 1,449,071	$ 4,436,640	$ 4,508,799
Weighted-average shares of common stock outstanding (in shares)	444,878	442,778	444,529	443,052
Basic earnings per share (dollars per share)	$ 3.14	$ 3.27	$ 9.98	$ 10.18
Diluted earnings per share:
Net income	$ 1,398,242	$ 1,449,071	$ 4,436,640	$ 4,508,799
Shares used in computation:
Weighted-average shares of common stock outstanding (in shares)	444,878	442,778	444,529	443,052
Employee stock options (in shares)	5,466	12,147	6,639	12,178
Weighted-average number of shares (in shares)	450,344	454,925	451,168	455,230
Diluted earnings per share (dollars per share)	$ 3.10	$ 3.19	$ 9.83	$ 9.90