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OTHER - Investments (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 26, 2023
Dec. 31, 2023
Accounting Policies [Abstract]      
Carrying amount of investments held in lockheed martin venture fund $ 597   $ 581
Realized gain reflected in other non-operating income 5 $ 29  
Realized gain recognized for changes in fair value, net of tax $ 4 $ 22  
Realized gain recognized for changes in fair value, net of tax (in dollars per share) $ 0.02 $ 0.09