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)