Commitments and Contingencies	9 Months Ended
	Sep. 26, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and ContingenciesLegal MattersOn February 14, 2020, the Company announced that a jury in the U.S. District Court for the Northern District of Illinois decided in the Company's favor in its trade secret theft and copyright infringement case against Hytera Communications Corporation Limited of Shenzhen, China; Hytera America, Inc.; and Hytera Communications America (West), Inc. (collectively, “Hytera”). In connection with this verdict, the jury awarded Motorola Solutions $345.8 million in compensatory damages and $418.8 million in punitive damages, for a total of $764.6 million. A motion for a new trial was filed by Hytera in April 2020. The Court denied the motion and upheld the damages awarded to the Company on October 20, 2020, subsequent to the quarter. Other post-trial motions are fully briefed and awaiting ruling, including the Company's motion for a permanent global injunction, as well as the Company's requests for attorneys' fees and increased damages to include post-trial amounts. Hytera America, Inc. and Hytera Communications America (West), Inc. each filed for Chapter 11 bankruptcy protection in May 2020; the Company filed motions to dismiss the bankruptcy proceedings in July 2020. As of the third quarter of 2020, the United States Bankruptcy Court granted a continuance of Hytera’s sale motion and the Company’s motion to dismiss Hytera’s bankruptcy.