Document And Entity Information	9 Months Ended
	Sep. 29, 2012
Document And Entity Information [Abstract]
Entity Registrant Name	Motorola Solutions, Inc.
Entity Central Index Key	0000068505
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 29, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding	280,500,435
Entity Current Reporting Status	Yes