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Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Acquisitions and Divestitures (Narrative) (Details) - USD ($) $ in Millions			3 Months Ended		6 Months Ended
	Mar. 27, 2026	May 23, 2025	Jul. 03, 2026	Jul. 04, 2025	Jul. 03, 2026	Jul. 04, 2025	Apr. 14, 2026	Jan. 02, 2026	Jan. 03, 2025
Goodwill [Line Items]
Revenues			$ 4,558	$ 4,253	$ 8,958	$ 8,498
Acquisition costs			0	$ 0	29	$ 0
Goodwill			7,663		7,663			$ 6,342	$ 6,084
Total assets held for sale			943		943			0
Altaris LLC
Goodwill [Line Items]
Noncontrolling interest (as a percentage)							58.50%
SES Business
Goodwill [Line Items]
Noncontrolling interest (as a percentage)							41.50%
Intelligence & Digital
Goodwill [Line Items]
Goodwill			2,238		2,238			2,238	2,007
Homeland
Goodwill [Line Items]
Goodwill			2,298		2,298			977	950
Defense
Goodwill [Line Items]
Goodwill			1,791		1,791			$ 1,791	$ 1,791
Total assets held for sale			8		8
Entrust
Goodwill [Line Items]
Purchase consideration	$ 2,400
Goodwill recognized as tax deductible	119
Goodwill	$ 1,652
Entrust \| Homeland
Goodwill [Line Items]
Revenues			141		152
Acquisition costs			1		30
Kudu Dynamics
Goodwill [Line Items]
Purchase consideration		$ 293
Cash acquired		29
Goodwill		$ 231
Kudu Dynamics \| Intelligence & Digital
Goodwill [Line Items]
Revenues			$ 17		$ 39