Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 206	$ 268	$ 540	$ 628
Other comprehensive income (loss), net of tax (Note 4):
Foreign currency translation adjustments	30	(33)	(30)	(26)
Defined benefit plans	12	11	37	32
Total other comprehensive income (loss), net of tax	42	(22)	7	6
Comprehensive income	248	246	547	634
Less: Earnings attributable to non-controlling interests	1	1	3	3
Comprehensive income attributable to Motorola Solutions, Inc. common shareholders	$ 247	$ 245	$ 544	$ 631