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Segments - Additional Information (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Segment	Sep. 30, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment			2
Operating profit	$ 194	$ 183	$ 669	$ 490
Pole Products Business [Member] | Energy Equipment [Member]
Segment Reporting Information [Line Items]
Pre-tax credit			$ 116
Inventory Charges [Member]
Segment Reporting Information [Line Items]
Pre-tax credit				$ 4
Severance Pay [Member]
Segment Reporting Information [Line Items]
Pre-tax credit	$ 5
Voluntary Early Retirement Program [Member]
Segment Reporting Information [Line Items]
Pre-tax credit		$ 7

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