Retirement Plans - Additional Information (Detail) $ in Millions	Mar. 31, 2024 USD ($)
Retirement Benefits [Abstract]
Unrecognized net actuarial losses related to the U.K. pension plan	$ 179

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Name:	us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant