Long-Term Compensation - Additional Information (Detail) - Performance Stock Units [Member] $ in Millions	9 Months Ended
Sep. 30, 2026 USD ($)
Index [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected volatility rate	27.50%
2026 - 2028 Performance Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance period	3 years
Fair value	$ 76.2
Assumed risk free interest rate	3.70%
Expected volatility rate	26.00%
Minimum [Member] \| 2026 - 2028 Performance Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	3 years
Maximum [Member] \| 2026 - 2028 Performance Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	5 years

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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