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OTHER - Contract Estimates (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 30, 2025 | Mar. 31, 2024
Space And Aeronautics |  |
Change in Accounting Estimate [Line Items] |  |
Favorable profit adjustments | $ 185 |
Missiles and Fire Control |  |
Change in Accounting Estimate [Line Items] |  |
Reach-forward loss |  | $ 100
Cumulative losses on development | $ 1,460 |

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