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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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