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Risk Management - Foreign Currency Risk (Details) $ in Millions	Mar. 29, 2025 USD ($) position	Dec. 31, 2024 USD ($) 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	$ (1,100)	$ (1,000)
Foreign Exchange Contract | British pound | Long
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	(173)	(124)
Foreign Exchange Contract | Euro | Long
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	(166)	(150)
Foreign Exchange Contract | Australian dollar | Short
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	(129)	(136)
Foreign Exchange Contract | Chinese renminbi | Short
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	(43)	(48)
Foreign Exchange Contract | Canadian dollar | Short
Derivative [Line Items]
Notional amounts of outstanding foreign exchange contracts	$ (41)	$ (70)

X

- Definition

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.

+ References

No definition available.

+ Details

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Namespace Prefix:	msi_
Data Type:	xbrli:integerItemType
Balance Type:	na
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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

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

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X

- 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

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- Details

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- Details

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- Details

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- Details

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- Details

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