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OTHER - Changes in Estimates (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 25, 2022 | Sep. 26, 2021 | Sep. 25, 2022 | Sep. 26, 2021
Change in Accounting Estimate [Line Items] |  |  |  |
Performance obligation satisfied in previous period | $ 515 | $ 616 | $ 1,400 | $ 1,600
Classified Fixed-Price Incentive Fee Contract | Aeronautics |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |
Revised estimated remaining costs | 25 |  |  |
Performance growth costs |  |  | 250 |
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 | 455 | 580 | 1,300 | 1,500
Increase in net earnings due to profit rate adjustments | $ 359 | $ 458 | $ 1,000 | $ 1,200
Increase in diluted earnings per common share due to profit rate adjustments (in dollars per share) | $ 1.35 | $ 1.65 | $ 3.89 | $ 4.14

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