OTHER - Schedule of Contract Estimates Consolidated Net Profit Booking Rate Adjustments (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 28, 2026 |
Jun. 29, 2025 |
Jun. 28, 2026 |
Jun. 29, 2025 |
|
| Accounting Policies [Abstract] | ||||
| Sales | $ 408 | $ (361) | $ 624 | $ 142 |
| Segment operating profit (loss) | $ 375 | $ (1,045) | $ 590 | $ (565) |
| % of segment operating profit (loss) | 17.00% | (183.00%) | 15.00% | (21.00%) |
| Net earnings (loss) | $ 296 | $ (826) | $ 466 | $ (446) |
| Diluted earnings (loss) per share (in dollars per share) | $ 1.28 | $ (3.53) | $ 2.02 | $ (1.90) |