FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Millions	Mar. 29, 2026	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount of investments held in lockheed martin venture fund	$ 736	$ 669
Outstanding principal amount of debt instruments	21,900	22,900
Unamortized discounts and issuance costs	1,200	1,200
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated fair values of debt instruments	20,400	22,000
Interest Rate Swaps | Designated as hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional amount of derivatives	1,300	1,300
Foreign Currency Hedges | Designated as hedges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate notional amount of derivatives	$ 7,300	$ 7,200