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OTHER - Investments (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 25, 2023 | Jun. 30, 2024 | Jun. 25, 2023 | Dec. 31, 2023
Accounting Policies [Abstract] |  |  |  |  |
Carrying amount of investments held in lockheed martin venture fund | $ 604 |  | $ 604 |  | $ 581
Realized gain (loss) reflected in other non-operating income | 9 | $ (40) | 14 | $ (11) |
Realized gain (loss) recognized for changes in fair value, net of tax | $ 7 | $ (30) | $ 11 | $ (8) |
Realized gain (loss) recognized for changes in fair value, net of tax (in dollars per share) | $ 0.03 | $ (0.12) | $ 0.04 | $ (0.03) |

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