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Other Financial Data - Other Charges (Income) - Additional Information (Details) - USD ($) $ in Millions			3 Months Ended
	Dec. 22, 2022	Feb. 11, 2022	Apr. 01, 2023	Apr. 02, 2022
Hytera Legal Settlement
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain on litigation settlement	$ 2	$ 13	$ 0	$ 13

X

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_LitigationCaseAxis=msi_HyteraLegalSettlementMember
Namespace Prefix:
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Balance Type:
Period Type: