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STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Apr. 01, 2022
L3Harris Shareholder-approved Employee Stock Incentive Plans |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, expense | $ 23 | $ 28

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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Period Type: | duration

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- Definition 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 No definition available. + Details
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- Details
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