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Restructuring and Other Charges - Schedule of Restructuring and Other Charges by Reportable Segments, Pretax (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2024 | Jun. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve beginning balance |  |  | $ 7 | $ 8 | $ 19
Cash payments |  |  | (10) | (6) | (16)
Restructuring and other charges |  |  | 21 | 23 | 56
Other |  |  | (14) | (18) | (51)
Restructuring reserve ending balance |  |  | 4 | 7 | 8
Settlements |  |  | 0 | 5 | 58
Gain (loss) on disposition of assets |  |  | (25) | (22) | (18)
Accelerated depreciation |  |  | 2 |  |
Asset impairment charges |  |  | 2 | 14 | 1
Engineered Structures |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Accelerated depreciation |  |  |  |  | 1
Asset impairment charges |  |  |  | 12 |
United Kingdom | Engineered Structures |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Gain (loss) on disposition of assets | $ (13) |  | (13) |  |
Accelerated depreciation |  |  |  | 2 |
United Kingdom | Engine Products |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Gain (loss) on disposition of assets |  |  | 1 |  |
Pension benefits |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Settlements |  | $ 3 | 0 | 5 | 58
Layoff costs |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve beginning balance |  |  | 5 | 6 | 17
Cash payments |  |  | (8) | (3) | (9)
Restructuring and other charges |  |  | 7 | 7 | 56
Other |  |  | 0 | (5) | (58)
Restructuring reserve ending balance |  |  | 4 | 5 | 6
Layoff costs | Pension benefits | U.S. and U.K. |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Settlements |  |  |  |  | 58
Layoff costs | Pension benefits | U.S. and Canada |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Settlements |  |  |  | 5 |
Other exit costs |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring reserve beginning balance |  |  | 2 | 2 | 2
Cash payments |  |  | (2) | (3) | (7)
Restructuring and other charges |  |  | 14 | 16 | 0
Other |  |  | (14) | (13) | 7
Restructuring reserve ending balance |  |  | $ 0 | 2 | 2
Gain (loss) on disposition of assets |  |  |  | 1 | 8
Accelerated depreciation |  |  |  | 2 | $ 1
Asset impairment charges |  |  |  | $ 12 |

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