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Acquisitions and Dispositions (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Jul. 20, 2023 | Mar. 31, 2024 | Mar. 31, 2024 | Mar. 31, 2023
Business Acquisitions and Dispositions [Line Items] |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  | $ 415 | $ 0
Raytheon's Cybersecurity, Intelligence and Services Business |  |  |  |
Business Acquisitions and Dispositions [Line Items] |  |  |  |
Proceeds from Divestiture of Businesses |  | $ 1,300 |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  | 400 |  |
Disposal Group, Not Discontinued Operation, Gain(Loss) on Disposal, After Tax |  | $ 200 |  |
Collins Actuation Systems Portfolio |  |  |  |
Business Acquisitions and Dispositions [Line Items] |  |  |  |
Expected Proceeds from Divestiture of Business | $ 1,800 |  |  |

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