Condensed Consolidated Statements Of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Income Statement [Abstract]
Net sales from products	$ 1,381	$ 1,444
Net sales from services	592	512
Net sales	1,973	1,956
Costs of product sales	651	658
Costs of services sales	367	325
Costs of sales	1,018	983
Gross margin	955	973
Selling, general and administrative expenses	460	472
Research and development expenditures	262	254
Other charges	17	15
Operating earnings	216	232
Other income (expense):
Interest expense, net	(25)	(14)
Gains on sales of investments and businesses, net	7	17
Other	7	9
Total other income (expense)	(11)	12
Earnings from continuing operations before income taxes	205	244
Income tax expense	13	85
Earnings from continuing operations	192	159
Loss from discontinued operations, net of tax	0	(2)
Net earnings attributable to Motorola Solutions, Inc.	192	157
Amounts attributable to Motorola Solutions, Inc. common stockholders:
Earnings from continuing operations, net of tax	192	159
L:oss from discontinued operations, net of tax	0	(2)
Net earnings attributable to Motorola Solutions, Inc.	$ 192	$ 157
Basic:
Continuing operations (US$ per share)	$ 0.70	$ 0.51
Discontinued operations (US$ per share)	$ 0.00	$ (0.01)
Basic (US$ per share):	$ 0.70	$ 0.50
Diluted:
Continuing operations (US$ per share)	$ 0.68	$ 0.50
Discontinued operations (US$ per share)	$ 0.00	$ (0.01)
Diluted (US$ per share):	$ 0.68	$ 0.49
Weighted average common shares outstanding:
Basic (shares)	274.5	311.3
Diluted (shares)	280.7	317.7
Dividends declared per share (US$ per share)	$ 0.26	$ 0.22