Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 213	$ 193	$ 422	$ 318
Other comprehensive income (loss), net of tax (Note 2):
Foreign currency translation adjustments	46	(49)	127	(134)
Marketable securities	1	1	5	4
Defined benefit plans	26	5	59	65
Total other comprehensive income (loss), net of tax	73	(43)	191	(65)
Comprehensive income	286	150	613	253
Less: Earnings attributable to noncontrolling interests	1	1	2	1
Comprehensive income attributable to Motorola Solutions, Inc. common shareholders	$ 285	$ 149	$ 611	$ 252

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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