Risk Management - Foreign Currency Risk (Details) $ in Millions	Jul. 01, 2023 USD ($) position	Dec. 31, 2022 USD ($) position
Derivative [Line Items]
Number of net notional positions to buy or sell foreign currency disclosed (in number of positions) \| position	5	5
Foreign Exchange Contract
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	$ 1,200	$ 1,100
Foreign Exchange Contract \| British pound \| Long
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	257	290
Foreign Exchange Contract \| Euro \| Long
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	214	185
Foreign Exchange Contract \| Australian dollar \| Short
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	150	130
Foreign Exchange Contract \| Chinese renminbi \| Short
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	61	61
Foreign Exchange Contract \| Danish krone \| Short
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	$ 48	$ 32

This element represents the number of the largest net notional amounts of positions to buy or sell foreign currency which is disclosed in the footnotes.

No definition available.

+ Details

Name:	msi_LargestPositionsOfForeignCurrencyDerivativesHeld
Namespace Prefix:	msi_
Data Type:	xbrli:integerItemType
Balance Type:	na
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/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

+ Details

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

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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- Details

Name:	srt_CurrencyAxis=currency_EUR
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- Details

Name:	srt_CurrencyAxis=currency_AUD
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- Details

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- Details

Name:	srt_CurrencyAxis=currency_CNY
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- Details

Name:	srt_CurrencyAxis=currency_DKK
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