Income Taxes - Schedule of Provision for Income Taxes with Income Tax at Federal Statutory Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income before income taxes	$ 3,928,947	$ 5,068,413	$ 2,186,138
Expected income tax provision based on U.S. federal statutory tax rate	825,079	1,064,367	459,089
State and local income taxes, net of federal benefit	98,257	126,932	77,979
Tax benefit (deficiency) from stock-based compensation	0	(5,282)	5,869
Change in valuation allowance	0	0	(14,474)
Tax credits for increasing research activities	(67,039)	(151,913)	0
Other, net	(28,667)	(13,300)	(8,733)
Provision for income taxes	$ 827,630	$ 1,020,804	$ 519,730
Federal statutory income tax rate	21.00%	21.00%	21.00%
Effective tax rate	21.10%	20.10%	23.80%