Legal Entities, Number

No definition available.

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Balance Type:	na
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- Definition

Litigation Settlement, Amount Awarded From Other Party, Attorneys' Fees

+ References

No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded From Other Party, Compensatory Damages

+ References

No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded From Other Party, Cost

+ References

No definition available.

+ Details

Name:	msi_LitigationSettlementAmountAwardedFromOtherPartyCost
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- Definition

Litigation Settlement, Amount Awarded from Other Party, Pre-Judgement Interest

+ References

No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded From Other Party, Punitive Damages

+ References

No definition available.

+ Details

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480327/954-440-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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Balance Type:	debit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483049/450-30-50-1

+ Details

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- 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
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

+ Details

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- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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

- Details

Name:	srt_LitigationCaseAxis=msi_HyteraLegalSettlementMember
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Commitment and Contingencies (Details) $ in Millions						3 Months Ended		9 Months Ended
Commitment and Contingencies (Details) $ in Millions	Dec. 22, 2022 USD ($)	Feb. 11, 2022 USD ($) legalEntities	Aug. 10, 2021 USD ($)	Jan. 08, 2021 USD ($)	Feb. 14, 2020 USD ($)	Sep. 30, 2023 USD ($)	Oct. 01, 2022 USD ($)	Sep. 30, 2023 USD ($)	Oct. 01, 2022 USD ($)	Sep. 01, 2023 USD ($)	Oct. 15, 2021 USD ($)
Gain Contingencies [Line Items]
Compensatory damages					$ 345.8
Punitive damages					418.8
Total damages awarded				$ 543.7	$ 764.6
Pre-judgement interest amount			$ 51.1
Settlement cost			$ 2.6
Attorneys' fees											$ 34.2
Escrow deposit										$ 56.0
Hytera Legal Settlement
Gain Contingencies [Line Items]
Legal entities, number \| legalEntities		2
Gain on litigation settlement	$ 2.0	$ 13.0				$ 0.0	$ 0.0	$ 0.0	$ 13.0