Condensed Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Statement of Other Comprehensive Income [Abstract]
Net earnings	$ 262	$ 182	$ 454	$ 339
Other comprehensive income (loss)
Amortization of retirement benefit adjustments, net of tax of $10, $25, $19 and $51, respectively	16	46	35	95
Foreign currency translation adjustments, net of tax of $(5), $(6), $(6) and $(10), respectively	(5)	(18)	(42)	(22)
Net gain (loss) on derivative hedging instruments, net of tax of $0, $0, $0 and $0, respectively	0	(2)	(1)	2
Net unrealized gain (loss) on securities, net of tax of $0, $6, $0 and $6, respectively	(1)	8	(1)	8
Total other comprehensive income (loss)	10	34	(9)	83
Comprehensive Income	272	216	445	422
Less: Earnings attributable to noncontrolling interests	4	0	4	0
Comprehensive income attributable to Motorola Solutions, Inc. common shareholders	$ 268	$ 216	$ 441	$ 422