FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions	Sep. 28, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount of investments held in lockheed martin venture fund	$ 599	$ 600
Outstanding principal amount	23,400	21,600
Unamortized discounts and issuance costs	1,200	1,300
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair value of outstanding debt	22,500	20,200
Designated as Hedges | Interest Rate Swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional amount of outstanding interest rate swaps	1,300	1,300
Designated as Hedges | Foreign Currency Hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional amount of outstanding interest rate swaps	$ 7,000	$ 7,500