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Cash and Cash Equivalents (Details) - USD ($) $ in Millions	Jan. 02, 2026	Jan. 03, 2025
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 500	$ 342
Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	425	213
Short-term investments
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	23	18
Short-term investments | Aspire Defence Limited
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	11	83
Cash and cash equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	52	111
International
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	290	317
International | Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	226	199
International | Short-term investments
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	12	8
International | Cash and cash equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	52	110
United States
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	210	25
United States | Wholly-Owned Captive Insurance Company
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	15	12
United States | Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	199	14
United States | Short-term investments
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	11	10
United States | Cash and cash equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 0	$ 1

X

- Definition

Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-4

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- Definition

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+ References

No definition available.

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