Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Schedule Of Employee Benefit Plans [Line Items]
Supplemental benefit plan liabilities	$ 421.0	$ 413.0
Asset Derivatives Fair Value	131.0	334.0
Not Designated as Hedging Instrument [Member]
Schedule Of Employee Benefit Plans [Line Items]
Asset Derivatives Fair Value	104.0	135.0
Prepaid expenses and other current assets \| Equity \| Not Designated as Hedging Instrument [Member]
Schedule Of Employee Benefit Plans [Line Items]
Asset Derivatives Fair Value	$ 0.0	$ 135.0
Maximum
Schedule Of Employee Benefit Plans [Line Items]
Future participant contributions percentage	20.00%

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.