Long-term Financing and Sales of Receivables - Additional Information (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Receivables [Abstract]
Interest income recognized on long-term receivables	$ 1,000,000	$ 0	$ 1,000,000
Commitments to provide long-term financing	105,000,000	103,000,000
Servicing obligations for long-term receivables	$ 794,000,000	$ 813,000,000

Represents the amount of sold long-term receivables for which the entity has retained servicing obligations.

No definition available.

Name:	msi_ServiceObligationForLongTermReceivables
Namespace Prefix:	msi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant