Unapproved Change Orders and Claims Against Clients (Schedule of Unapproved Change Orders and Claims) (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jul. 03, 2026 |
Jul. 04, 2025 |
|
| Unapproved Change Orders [Roll Forward] | ||
| Amounts included in project estimates-at-completion at beginning of fiscal year | $ 25 | $ 104 |
| Net increase in project estimates | 4 | 57 |
| Approved change orders | (10) | (128) |
| Ending balance of amounts included in project estimates-at-completion | 19 | 33 |
| Amounts recognized over time based on progress | $ 10 | $ 31 |