CONTRACT ASSETS AND LIABILITIES - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 27, 2026 |
Sep. 28, 2025 |
Sep. 27, 2026 |
Sep. 28, 2025 |
|
| Capitalized Contract Cost [Line Items] | ||||
| Increase in contract assets | $ 3,898 | $ 1,231 | ||
| Impairment loss | $ 0 | $ 0 | 0 | 0 |
| Decrease in contract liabilities | 1,204 | $ 38 | ||
| Liability, revenue recognized | $ 1,000 | 5,800 | ||
| F-35 Program At Aeronautics and Tactical and Strike Missiles at MFC | ||||
| Capitalized Contract Cost [Line Items] | ||||
| Increase in contract assets | 3,900 | |||
| Missile Defense Programs At MFC | ||||
| Capitalized Contract Cost [Line Items] | ||||
| Decrease in contract liabilities | $ 1,200 | |||