Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Net sales	$ 1,657	$ 1,468
Costs of sales	884	799
Gross margin	773	669
Selling, general and administrative expenses	327	279
Research and development expenditures	162	152
Other charges	55	67
Operating earnings	229	171
Other income (expense):
Interest expense, net	(55)	(46)
Gains on sales of investments and businesses, net	1	11
Other	10	4
Total other expense	(44)	(31)
Net earnings before income taxes	185	140
Income tax expense	33	23
Net earnings	152	117
Less: Earnings attributable to noncontrolling interests	1	0
Net earnings attributable to Motorola Solutions, Inc.	$ 151	$ 117
Earnings per common share:
Basic (in US$ per share)	$ 0.92	$ 0.73
Diluted (in US$ per share)	$ 0.86	$ 0.69
Weighted average common shares outstanding:
Basic (in shares)	164.0	161.4
Diluted (in shares)	174.6	170.6
Dividends declared per share (in US$ per share)	$ 0.57	$ 0.52
Products
Net sales	$ 945	$ 801
Costs of sales	444	383
Services
Net sales	712	667
Costs of sales	$ 440	$ 416