Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net earnings	$ 613	$ 1,300	$ 1,105
Other comprehensive income (loss), net of tax (Note 3):
Foreign currency translation adjustments	(62)	(108)	(4)
Derivative instruments	0	1	(2)
Marketable securities	(47)	46	(4)
Defined benefit plans	98	493	1,023
Total other comprehensive income (loss)	(11)	432	1,013
Comprehensive income	602	1,732	2,118
Less: Earnings attributable to noncontrolling interests	3	1	6
Comprehensive income attributable to Motorola Solutions, Inc. common shareholders	$ 599	$ 1,731	$ 2,112