Other Financial Data (Tables)

9 Months Ended

Oct. 01, 2011

Other Financial Data [Abstract]

Other Charges

	Three Months Ended				Nine Months Ended
	October 1, 2011		October 2, 2010		October 1, 2011		October 2, 2010
Other charges (income):
Amortization of intangible assets		$50		$51		$150		$152
Legal matters and intellectual property reserve adjustments, net		—		(39)		48		(68)
Reorganization of business charges		10		22		32		35
Pension plan adjustments, net		—		—		(9)		—
		$60		$34		$221		$119

Other Income (Expense)

	Three Months Ended				Nine Months Ended
	October 1, 2011		October 2, 2010		October 1, 2011		October2, 2010
Interest income (expense), net:
Interest expense		$(31)		$(48)		$(105)		$(164)
Interest income		13		19		46		67
		$(18)		$(29)		$(59)		$(97)
Other:
Loss from the extinguishment of the Company's outstanding long-term debt		$—		$—		$(81)		$(12)
Investment impairments		—		(2)		(3)		(20)
Foreign currency gain (loss)		(6)		4		5		7
Gain (loss) on Sigma Fund investments		(2)		3		(2)		15
Other		8		1		9		1
		$—		$6		$(72)		$(9)

Earnings (Loss) Per Common Share

	Amounts attributable to Motorola Solutions, Inc. common stockholders
	Earnings (loss) from Continuing Operations				Net Earnings
Three Months Ended	October 1, 2011		October 2, 2010		October 1, 2011		October 2, 2010
Basic earnings per common share:
Earnings (loss)		$152		$(13)		$128		$110
Weighted average common shares outstanding		335.4		334.1		335.4		334.1
Per share amount		$0.45		$(0.04)		$0.38		$0.33
Diluted earnings per common share:
Earnings (loss)		$152		$(13)		$128		$110
Weighted average common shares outstanding		335.4		334.1		335.4		334.1
Add effect of dilutive securities:
Share-based awards and other		4.1		—		4.1		—
Diluted weighted average common shares outstanding		339.5		334.1		339.5		334.1
Per share amount		$0.45		$(0.04)		$0.38		$0.33

	Amounts attributable to Motorola Solutions, Inc. common stockholders
	Earnings from Continuing  Operations				Net Earnings
Nine Months Ended	October 1, 2011		October 2, 2010		October 1, 2011		October 2, 2010
Basic earnings per common share:
Earnings		$567		$78		$974		$341
Weighted average common shares outstanding		337.3		332.5		337.3		332.5
Per share amount		$1.68		$0.23		$2.89		$1.03
Diluted earnings per common share:
Earnings		$567		$78		$974		$341
Weighted average common shares outstanding		337.3		332.5		337.3		332.5
Add effect of dilutive securities:
Share-based awards and other		6.1		4.6		6.1		4.6
Diluted weighted average common shares outstanding		343.4		337.1		343.4		337.1
Per share amount		$1.65		$0.23		$2.84		$1.01

Sigma Fund

	October 1, 2011				December 31, 2010
Fair Value	Current		Non-current		Current		Non-Current
Cash		$218		$—		$2,355		$—
Securities:
U.S. government and agency obligations		4,245		—		2,291		—
Corporate bonds		—		19		—		58
Asset-backed securities		—		—		—		1
Mortgage-backed securities		—		7		—		11
		$4,463		$26		$4,646		$70

Investments

Investments

Investments consist of the following:

	Recorded Value				Less
October 1, 2011	Short-term   Investments		Investments		Unrealized   Gains		Cost   Basis
Available-for-sale securities:
U.S. government, agency and government-sponsored enterprise obligations		$—		$16		$—		$16
Corporate bonds		2		11		—		13
Mortgage-backed securities		—		3		—		3
Common stock and equivalents		—		14		4		10
		2		44		4		42
Other securities, at cost		—		98		—		98
Equity method investments		—		25		—		25
		$2		$167		$4		$165

	Recorded Value				Less
December 31, 2010	Short-term   Investments		Investments		Unrealized   Gains		Cost   Basis
Certificates of deposit		$7		$—		$—		$7
Available-for-sale securities:
U.S. government, agency and government-sponsored enterprise obligations		—		17		—		17
Corporate bonds		2		11		—		13
Mortgage-backed securities		—		3		—		3
Common stock and equivalents		—		12		4		8
		9		43		4		48
Other securities, at cost		—		113		—		113
Equity method investments		—		16		—		16
		$9		$172		$4		$177

Accounts Receivable, Net

	October 1, 2011		December 31, 2010
Accounts receivable		$1,583		$1,596
Less allowance for doubtful accounts		(48)		(49)
		$1,535		$1,547

Inventories, Net

	October 1, 2011		December 31, 2010
Finished goods		$433		$386
Work-in-process and production materials		280		292
		713		678
Less inventory reserves		(165)		(157)
		$548		$521

Other Current Assets

	October 1, 2011		December 31, 2010
Costs and earnings in excess of billings		$323		$291
Contract-related deferred costs		169		160
Tax-related refunds receivable		103		116
Other		148		181
		$743		$748

Property, Plant And Equipment, Net

	October 1, 2011		December 31, 2010
Land		$70		$71
Building		768		804
Machinery and equipment		2,125		2,094
		2,963		2,969
Less accumulated depreciation		(2,074)		(2,047)
		$889		$922

Other Assets

	October 1, 2011		December 31, 2010
Long-term receivables, net of allowances of $1		$129		$251
Intangible assets, net of accumulated amortization of $1,097 and $947		100		246
Other		220		237
		$449		$734

Accrued Liabilities

	October 1, 2011		December 31, 2010
Deferred revenue		$810		$746
Compensation		417		558
Distribution-related obligation		225		—
Billings in excess of costs and earnings		241		226
Customer reserves		119		117
Tax liabilities		116		179
Networks purchase price adjustment		118		—
Dividend payable		72		—
Other		793		748
		$2,911		$2,574

Other Liabilities

Other Liabilities

Other liabilities consist of the following:

	October 1, 2011		December 31, 2010
Defined benefit plans, including split dollar life insurance policies		$1,940		$2,113
Deferred revenue		291		274
Postretirement health care benefit plan		286		277
Unrecognized tax benefits		94		70
Other		295		311
		$2,906		$3,045