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OTHER - Contract Estimates (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 25, 2023 | Jun. 26, 2022 | Jun. 25, 2023 | Jun. 26, 2022
Change in Accounting Estimate [Line Items] |  |  |  |
Performance obligation satisfied in previous period | $ 359 | $ 481 | $ 792 | $ 897
Classified Fixed-Price Incentive Fee Contract | Aeronautics |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Performance growth costs | 270 |  | 270 |
Classified Fixed-Price Incentive Fee Contract | Rotary and Mission Systems |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Cumulative losses on development | 280 |  | 280 |
Contracts Accounted for under Percentage of Completion |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Increase in operating profit due to profit rate adjustments | 365 | 455 | 780 | 860
Increase in net earnings due to profit rate adjustments | $ 288 | $ 359 | $ 616 | $ 679
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share) | $ 1.14 | $ 1.35 | $ 2.42 | $ 2.53

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