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OTHER - Lockheed Martin Ventures Fund (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 27, 2022 | Mar. 28, 2021 | Dec. 31, 2021
Accounting Policies [Abstract] |  |  |
Carrying amount of investments held in lockheed martin venture fund | $ 575 |  | $ 465
Realized gain reflected in other non-operating income | 103 | $ 68 |
Realized gain recognized for changes in fair value, net of tax | $ 77 | $ 51 |
Realized gain recognized for changes in fair value, net of tax (in dollars per share) | $ 0.29 | $ 0.18 |

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