Employee Benefit Plans - Summary of Weighted-Average Asset Allocations by Asset Category (Detail)	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Assets Target Allocations [Line Items]
Total	100.00%	100.00%
Equity Securities [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Total	30.00%	50.00%
Equity Securities [Member] | Minimum [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Target Allocation	15.00%
Equity Securities [Member] | Maximum [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Target Allocation	25.00%
Debt Securities [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Total	69.00%	48.00%
Debt Securities [Member] | Minimum [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Target Allocation	75.00%
Debt Securities [Member] | Maximum [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Target Allocation	85.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Total	1.00%	2.00%
Cash and Cash Equivalents [Member] | Minimum [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Target Allocation	0.00%
Cash and Cash Equivalents [Member] | Maximum [Member]
Defined Benefit Plan Assets Target Allocations [Line Items]
Target Allocation	5.00%