Acquisitions (Acquisition expenses incurred) (Details) - L3Harris Security Detection and Automation Businesses and Dynetics - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 02, 2020	Oct. 02, 2020
Business Acquisition [Line Items]
Acquisition costs	$ 0	$ 23
Integration costs	4	7
Total acquisition and integration costs	$ 4	$ 30

Business Combination, Acquisition And Integration Related Costs

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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.

+ References

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

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