Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating
Net earnings attributable to Motorola Solutions, Inc.	$ 560,000,000	$ 610,000,000	$ 1,299,000,000
Earnings attributable to noncontrolling interests	2,000,000	3,000,000	1,000,000
Net earnings	562,000,000	613,000,000	1,300,000,000
Earnings (loss) from discontinued operations, net of tax	0	(30,000,000)	1,996,000,000
Earnings (loss) from continuing operations, net of tax	562,000,000	643,000,000	(696,000,000)
Adjustments to reconcile earnings (loss) from continuing operations to net cash provided by operating activities:
Depreciation and amortization	295,000,000	150,000,000	173,000,000
Non-cash other charges	54,000,000	52,000,000	0
Non-U.S. pension curtailment gain	0	(32,000,000)	0
Loss on pension plan settlement	26,000,000	0	1,883,000,000
Gain on sale of building and land	0	0	(21,000,000)
Share-based compensation expense	68,000,000	78,000,000	94,000,000
Loss (gains) on sales of investments and businesses, net	6,000,000	(107,000,000)	(5,000,000)
Loss from the extinguishment of long-term debt	2,000,000	0	37,000,000
Deferred income taxes	213,000,000	160,000,000	(557,000,000)
Changes in assets and liabilities, net of effects of acquisitions, dispositions, and foreign currency translation adjustments:
Accounts receivable	(6,000,000)	21,000,000	(62,000,000)
Inventories	6,000,000	16,000,000	(5,000,000)
Other current assets	(185,000,000)	92,000,000	(47,000,000)
Accounts payable and accrued liabilities	241,000,000	26,000,000	(72,000,000)
Other assets and liabilities	(117,000,000)	(78,000,000)	(1,359,000,000)
Net cash provided by (used for) operating activities from continuing operations	1,165,000,000	1,021,000,000	(637,000,000)
Investing
Acquisitions and investments, net	(1,474,000,000)	(586,000,000)	(47,000,000)
Proceeds from sales of investments and businesses, net	670,000,000	230,000,000	3,403,000,000
Capital expenditures	(271,000,000)	(175,000,000)	(181,000,000)
Proceeds from sales of property, plant and equipment	73,000,000	3,000,000	33,000,000
Net cash provided by (used for) investing activities from continuing operations	(1,002,000,000)	(528,000,000)	3,208,000,000
Financing
Repayment of debt	(686,000,000)	(4,000,000)	(465,000,000)
Net proceeds from issuance of debt	673,000,000	971,000,000	1,375,000,000
Issuance of common stock	93,000,000	84,000,000	87,000,000
Purchase of common stock	(842,000,000)	(3,177,000,000)	(2,546,000,000)
Excess tax benefit from share-based compensation	0	5,000,000	11,000,000
Payment of dividends	(280,000,000)	(277,000,000)	(318,000,000)
Distributions from discontinued operations	0	0	93,000,000
Net cash used for financing activities from continuing operations	(1,042,000,000)	(2,398,000,000)	(1,763,000,000)
Discontinued Operations
Net cash provided by operating activities from discontinued operations	0	0	95,000,000
Net cash provided by investing activities from discontinued operations	0	0	4,000,000
Net cash used for financing activities from discontinued operations	0	0	(93,000,000)
Effect of exchange rate changes on cash and cash equivalents from discontinued operations	0	0	(6,000,000)
Net cash provided by discontinued operations	0	0	0
Effect of exchange rate changes on cash and cash equivalents from continuing operations	(71,000,000)	(69,000,000)	(79,000,000)
Net increase (decrease) in cash and cash equivalents	(950,000,000)	(1,974,000,000)	729,000,000
Cash and cash equivalents, beginning of period	1,980,000,000	3,954,000,000	3,225,000,000
Cash and cash equivalents, end of period	1,030,000,000	1,980,000,000	3,954,000,000
Cash paid during the period for:
Interest, net	191,000,000	163,000,000	128,000,000
Income and withholding taxes, net of refunds	$ 66,000,000	$ 105,000,000	$ 105,000,000