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Unapproved Change Orders and Claims Against Clients (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2026	Jan. 03, 2025
Increases in Unapproved Change Orders and Claims [Line Items]
Approved change orders	$ 146	$ 0
Decrease in revenues recognized		$ 26
MTS
Increases in Unapproved Change Orders and Claims [Line Items]
Approved change orders	$ 128

X

- Definition

Approved Change Orders

+ References

No definition available.

+ Details

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- Definition

Increases in Unapproved Change Orders and Claims [Line Items]

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from contract modification which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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