Condensed Consolidated Statements Of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Income Statement [Abstract]
Net sales from products	$ 1,482	$ 1,567	$ 4,342	$ 4,574
Net sales from services	630	586	1,850	1,683
Net sales	2,112	2,153	6,192	6,257
Costs of product sales	674	682	2,019	2,052
Costs of services sales	395	384	1,145	1,085
Costs of sales	1,069	1,066	3,164	3,137
Gross margin	1,043	1,087	3,028	3,120
Selling, general and administrative expenses	438	485	1,369	1,454
Research and development expenditures	253	262	782	785
Other charges	32	16	75	48
Operating earnings	320	324	802	833
Other income (expense):
Interest expense, net	(29)	(16)	(85)	(46)
Gains on sales of investments and businesses, net	29	19	36	39
Other	5	(3)	1	(18)
Total other income (expense)	5	0	(48)	(25)
Earnings from continuing operations before income taxes	325	324	754	808
Income tax expense (benefit)	17	118	(8)	266
Earnings from continuing operations	308	206	762	542
Earnings from discontinued operations, net of tax	0	0	0	3
Net earnings	308	206	762	545
Less: Earnings attributable to noncontrolling interests	1	0	5	0
Net earnings attributable to Motorola Solutions, Inc.	307	206	757	545
Amounts attributable to Motorola Solutions, Inc. common stockholders:
Earnings from continuing operations, net of tax	307	206	757	542
Earnings from discontinued operations, net of tax	0	0	0	3
Net earnings attributable to Motorola Solutions, Inc.	$ 307	$ 206	$ 757	$ 545
Basic:
Continuing operations (US$ per share)	$ 1.17	$ 0.73	$ 2.82	$ 1.83
Discontinued operations (US$ per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.01
Basic (US$ per share):	$ 1.17	$ 0.73	$ 2.82	$ 1.84
Diluted:
Continuing operations (US$ per share)	$ 1.16	$ 0.72	$ 2.77	$ 1.80
Discontinued operations (US$ per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.01
Diluted (US$ per share):	$ 1.16	$ 0.72	$ 2.77	$ 1.81
Weighted average common shares outstanding:
Basic (shares)	262.2	283.1	268.7	296.1
Diluted (shares)	265.3	287.4	273.5	301.5
Dividends declared per share (US$ per share)	$ 0.31	$ 0.26	$ 0.83	$ 0.70