Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Income Statement [Abstract]
Net sales from products	$ 703	$ 702
Net sales from services	578	491
Net sales	1,281	1,193
Costs of products sales	347	366
Costs of services sales	364	325
Costs of sales	711	691
Gross margin	570	502
Selling, general and administrative expenses	232	234
Research and development expenditures	135	135
Other charges	27	33
Operating earnings	176	100
Other income (expense):
Interest expense, net	(51)	(49)
Gains (losses) on sales of investments and businesses, net	3	(21)
Other	(8)	(8)
Total other expense	(56)	(78)
Net earnings before income taxes	120	22
Income tax expense	42	5
Net earnings	78	17
Less: Earnings attributable to noncontrolling interests	1	0
Net earnings attributable to Motorola Solutions, Inc.	$ 77	$ 17
Earnings per common share:
Basic (in US$ per share)	$ 0.47	$ 0.10
Diluted (in US$ per share)	$ 0.45	$ 0.10
Weighted average common shares outstanding:
Basic (in shares)	164.2	174.5
Diluted (in shares)	169.9	177.0
Dividends declared per share (in US$ per share)	$ 0.47	$ 0.41