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Discontinued Operations (Narrative) (Details) (Zebra Technologies Corporation, Enterprise, USD $)
In Billions, unless otherwise specified
Apr. 14, 2014
Zebra Technologies Corporation | Enterprise
 
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Disposal price agreed upon to sell Enterprise business $ 3.5us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
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= msi_ZebraTechnologiesCorporationMember
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= msi_EnterpriseMember