Condensed Consolidated Statements Of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net sales from products	$ 1,479	$ 1,563	$ 2,860	$ 3,007
Net sales from services	628	585	1,220	1,097
Net sales	2,107	2,148	4,080	4,104
Costs of product sales	695	712	1,346	1,370
Costs of services sales	383	376	750	701
Costs of sales	1,078	1,088	2,096	2,071
Gross margin	1,029	1,060	1,984	2,033
Selling, general and administrative expenses	470	496	930	968
Research and development expenditures	268	269	530	523
Other charges	25	17	42	32
Operating earnings	266	278	482	510
Other income (expense):
Interest expense, net	(32)	(16)	(57)	(30)
Gains on sales of investments and businesses, net	0	3	7	20
Other	(10)	(25)	(3)	(16)
Total other expense	(42)	(38)	(53)	(26)
Earnings from continuing operations before income taxes	224	240	429	484
Income tax expense (benefit)	(38)	63	(25)	148
Earnings from continuing operations	262	177	454	336
Earnings from discontinued operations, net of tax	0	5	0	3
Net earnings	262	182	454	339
Less: Earnings attributable to noncontrolling interests	4	0	4	0
Net earnings attributable to Motorola Solutions, Inc.	258	182	450	339
Amounts attributable to Motorola Solutions, Inc. common stockholders:
Earnings from continuing operations, net of tax	258	177	450	336
Earnings from discontinued operations, net of tax	0	5	0	3
Net earnings attributable to Motorola Solutions, Inc.	$ 258	$ 182	$ 450	$ 339
Basic:
Continuing operations (US$ per share)	$ 0.96	$ 0.61	$ 1.66	$ 1.11
Discontinued operations (US$ per share)	$ 0.00	$ 0.02	$ 0.00	$ 0.01
Basic (US$ per share):	$ 0.96	$ 0.63	$ 1.66	$ 1.12
Diluted:
Continuing operations (US$ per share)	$ 0.94	$ 0.60	$ 1.62	$ 1.09
Discontinued operations (US$ per share)	$ 0.00	$ 0.01	$ 0.00	$ 0.01
Diluted (US$ per share):	$ 0.94	$ 0.61	$ 1.62	$ 1.10
Weighted average common shares outstanding:
Basic (shares)	269.5	290.6	271.9	302.1
Diluted (shares)	274.7	296.1	277.7	308.1
Dividends declared per share (US$ per share)	$ 0.26	$ 0.22	$ 0.52	$ 0.44