Condensed Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Operating
Net earnings attributable to Motorola Solutions, Inc.	$ 545	$ 974
Loss attributable to noncontrolling interests	0	(6)
Net earnings	545	968
Earnings from discontinued operations, net of tax	3	404
Earnings from continuing operations	542	564
Adjustments to reconcile earnings from continuing operations to net cash provided by operating activities:
Depreciation and amortization	151	273
Non-cash other expense	12	39
Share-based compensation expense	139	123
Gain on sales of investments and businesses, net	(39)	(21)
Loss from the extinguishment of long-term debt	6	81
Deferred income taxes	203	30
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable	189	82
Inventories	(51)	(38)
Other current assets	(147)	(6)
Accounts payable and accrued liabilities	(283)	(230)
Other assets and liabilities	(218)	(93)
Net cash provided by operating activities from continuing operations	504	804
Investing
Acquisitions and investments, net	61	(26)
Proceeds from (used for) sales of investments and businesses, net	(38)	1,064
Capital expenditures	(140)	(103)
Proceeds from sales of property, plant and equipment	9	6
Proceeds from sales of Sigma Fund investments, net	1,450	225
Proceeds from sales of short-term investments, net	0	6
Net cash provided by investing activities from continuing operations	1,342	1,172
Financing
Repayment of debt	(412)	(617)
Net proceeds from issuance of debt	747	0
Contributions to Motorola Mobility	(73)	(3,275)
Issuance of common stock	79	148
Purchase of common stock	(2,112)	(744)
Excess tax benefits from share-based compensation	17	39
Payment of dividends	(197)	0
Distributions from (to) discontinued operations	(11)	102
Net cash used for financing from continuing operations	(1,962)	(4,347)
Discontinued Operations
Net cash provided by operating activities from discontinued operations	2	65
Net cash used for investing activities from discontinued operations	0	(8)
Net cash provided by (used for) financing activities from discontinued operations	11	(102)
Effect of exchange rate changes on cash and cash equivalents from discontinued operations	(13)	45
Net cash provided by (used for) discontinued operations	0	0
Effect of exchange rate changes on cash and cash equivalents from continuing operations	14	(52)
Net decrease in cash and cash equivalents	(102)	(2,423)
Cash and cash equivalents, beginning of period	1,881	4,208
Cash and cash equivalents, end of period	1,779	1,785
Cash paid during the period for:
Interest, net	61	110
Income and withholding taxes, net of refunds	$ 104	$ 57