Accounting Policies - Estimated Useful Lives of Major Classes of Depreciable Assets (Detail)	Dec. 31, 2023
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	7 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	25 years
Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	3 years
Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	10 years