Schedule of Number of Stock Options (Detail) - $ / shares	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Number of options, Outstanding beginning balance	31,111	49,875	90,175
Exercised	(15,537)	(8,614)	(40,112)
Cancelled/Forfeited/Expired	(485)	(10,150)	(188)
Number of options, Outstanding ending balance	15,089	31,111	49,875
Weighted average exercise price, Outstanding beginning balance	$ 70.77	$ 68.71	$ 68.13
Exercised	65.12	59.28	67.49
Cancelled/Forfeited/Expired	58.63	70.4	51.74
Weighted average exercise price, Outstanding ending balance	$ 76.97	$ 70.77	$ 68.71

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Weighted average price of options that were either forfeited or expired.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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