Shareholders' Equity - Summary of Changes in Shareholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ 3,506,849	$ 3,002,378
Net income	344,352	426,100
Purchase of common stock for treasury	(110,048)	(748,788)
Equity-based compensation	22,277	11,668
Proceeds from Options exercised	81,916	34,241
Ending Balance	3,845,346	2,725,599
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	3,845,346	2,725,599
Treasury Stock, Value, Acquired, Cost Method	110,048	748,788
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	206	206
Ending Balance	206	206
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	206	206
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	2,600,014	2,378,191
Equity-based compensation	22,277	11,668
Proceeds from Options exercised	81,916	34,241
Treasury stock issued upon Option exercise and RSU vesting	(27,566)	(7,440)
Ending Balance	2,676,641	2,416,660
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	2,676,641	2,416,660
Treasury stock issued upon Option exercise and RSU vesting	(27,566)	(7,440)
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	11,773,414	10,047,839
Net income	344,352	426,100
Ending Balance	12,117,766	10,473,939
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	12,117,766	10,473,939
Treasury Stock, Common
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(10,866,785)	(9,423,858)
Purchase of common stock for treasury	(110,048)	(748,788)
Treasury stock issued upon Option exercise and RSU vesting	27,566	7,440
Ending Balance	(10,949,267)	(10,165,206)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	(10,949,267)	(10,165,206)
Treasury Stock, Value, Acquired, Cost Method	110,048	748,788
Treasury stock issued upon Option exercise and RSU vesting	27,566	7,440
Deferred Compensation Trust
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(16,710)	(16,710)
Ending Balance	(16,710)	(16,710)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	(16,710)	(16,710)
Deferred Compensation Liability
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	16,710	16,710
Ending Balance	16,710	16,710
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stockholders' Equity Attributable to Parent	$ 16,710	$ 16,710