Organization, Consolidation and Presentation of Financial Statements [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Derivative instruments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Available-for-Sale Securities Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Defined Benefit Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Reclassification adjustment - Actuarial net losses into Selling, general, and administrative expenses Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Reclassification adjustment - Prior service benefits into Selling, general, and administrative expenses Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Reclassification adjustment - Non-U.S. pension curtailment gain into Other charges Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) of Curtailments Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) of Curtailments Attributable to Parent [Member] Reclassification adjustment - Pension settlement loss into Other charges Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) of Settlements Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) of Settlements Attributable to Parent [Member] Disposition of the Enterprise business retirement benefits into Earnings from discontinued operations, net of tax Accumulated Defined Benefit Plans Adjustment, Disposition Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Disposition Attributable to Parent [Member] Total Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Balance at beginning of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Other comprehensive income (loss) before reclassification adjustment Other Comprehensive Income (Loss), before Reclassifications, before Tax Tax benefit (expense) Other Comprehensive Income (Loss), Tax Other comprehensive income (loss) before reclassification adjustment, net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Reclassification adjustment Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Tax expense (benefit) Reclassification from AOCI, Current Period, Tax Reclassification adjustment into earnings, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Balance at end of period Segment Reporting [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Continuing Operations Continuing Operations [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES United Kingdom UNITED KINGDOM Other, net of eliminations Other Nations [Member] Other Nations [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Net Sales Revenues Assets Assets Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Products Products Segment [Member] Products Segment [Member] Services Services Segment [Member] Services Segment [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Operating earnings Operating Income (Loss) Total other expense Nonoperating Income (Expense) Earnings (loss) from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Valuation and Qualifying Accounts [Abstract] Valuation And Qualifying Accounts Valuation And Qualifying Accounts [Table Text Block] Valuation And Qualifying Accounts [Table Text Block] Statement of Cash Flows [Abstract] Operating Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net earnings attributable to Motorola Solutions, Inc. Net Income (Loss) Attributable to Parent Earnings attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net earnings Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Earnings (loss) from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Earnings (loss) from continuing operations, net of tax Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile earnings (loss) from continuing operations to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Non-cash other charges Other Non Cash Charges or (Income) The net amount of other expense (income) producing activities included in net income that result in no cash inflows or outflows in the period which are not otherwise defined in the taxonomy. Non-U.S. pension curtailment gain Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments Loss on pension plan settlement Pension Expense Gain on sale of building and land Gain (Loss) on Disposition of Property Plant Equipment Share-based compensation expense Share-based Compensation Loss (gains) on sales of investments and businesses, net Gain (Loss) on Sales of Investments and Businesses, Net The net gain or loss from the sale of investments in debt and equity securities and businesses. Loss from the extinguishment of long-term debt Gain (Loss) on Extinguishment of Debt Deferred income taxes Deferred Income Tax Expense (Benefit) Changes in assets and liabilities, net of effects of acquisitions, dispositions, and foreign currency translation adjustments: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other current assets Increase (Decrease) in Other Operating Assets Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by (used for) operating activities from continuing operations Net Cash Provided by (Used in) Operating Activities Investing Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Acquisitions and investments, net Payments for Acquisitions and Investments, Net Cash used for acquiring businesses or investments in debt and equity securities. Proceeds from sales of investments and businesses, net Proceeds from Sales of Investments and Businesses, Net The net proceeds from the sale of investments in debt and equity securities and businesses. Capital expenditures Payments to Acquire Productive Assets Proceeds from sales of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Net cash provided by (used for) investing activities from continuing operations Net Cash Provided by (Used in) Investing Activities Financing Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Repayment of debt Repayments of Long-term Debt Net proceeds from issuance of debt Proceeds from Issuance of Debt Issuance of common stock Proceeds from Issuance of Common Stock Purchase of common stock Payments for Repurchase of Common Stock Excess tax benefit from share-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Payment of dividends Payments of Ordinary Dividends, Common Stock Distributions from discontinued operations Distributions from discontinued operations Distributions from discontinued operations Net cash used for financing activities from continuing operations Net Cash Provided by (Used in) Financing Activities Discontinued Operations Net Cash Provided by (Used in) Discontinued Operations [Abstract] Net cash provided by operating activities from discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Net cash provided by investing activities from discontinued operations Cash Provided by (Used in) Investing Activities, Discontinued Operations Net cash used for financing activities from discontinued operations Cash Provided by (Used in) Financing Activities, Discontinued Operations Effect of exchange rate changes on cash and cash equivalents from discontinued operations Effect of Exchange Rate on Cash and Cash Equivalents, Discontinued Operations Net cash provided by discontinued operations Net Cash Provided by (Used in) Discontinued Operations Effect of exchange rate changes on cash and cash equivalents from continuing operations Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Supplemental Cash Flow Information Supplemental Cash Flow Information [Abstract] Cash paid during the period for: Cash Paid During Period for [Abstract] Interest, net Interest Paid, Net Income and withholding taxes, net of refunds Income Taxes Paid, Net Income Tax Disclosure [Abstract] Inventory Deferred Tax Assets, Inventory Accrued liabilities and allowances Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Employee benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Capitalized items Deferred Tax Assets, Property, Plant and Equipment Tax basis differences on investments Tax Basis Differences On Investments Tax Basis Differences On Investments Depreciation tax basis differences on fixed assets Depreciation Tax Basis Differences On Fixed Assets Depreciation Tax Basis Differences On Fixed Assets Undistributed non-U.S. earnings Deferred Tax Liabilities, Undistributed Foreign Earnings Tax carryforwards Deferred Tax Assets, Operating Loss Carryforwards Business reorganization Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges Warranty and customer liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves Deferred revenue and costs Deferred Tax Assets, Deferred Income Valuation allowances Deferred Tax Assets, Valuation Allowance Deferred charges Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Other Deferred Tax Liabilities, Other Other Deferred Tax Assets, Other Deferred tax assets (liabilities), total Deferred Tax Assets, Net Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State tax carryforward State and Local Jurisdiction [Member] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Deferred tax charge (benefit) adjustment Deferred Tax Charges, Adjustment Deferred Tax Charges, Adjustment Net tax charge (benefit) related to the establishment of deferred tax liabilities Deferred Foreign Income Tax Expense (Benefit), Portion Attributable to Unremitted Foreign Earnings Deferred Foreign Income Tax Expense (Benefit), Portion Attributable to Unremitted Foreign Earnings Undistributed earnings intends to reinvest for which no tax have been provided Undistributed Earnings of Foreign Subsidiaries Income tax expense (benefit) at statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Gross deferred tax assets Deferred Tax Assets, Gross Deferred tax assets, net of valuation allowances Deferred Tax Assets, Net of Valuation Allowance Gross deferred tax liabilities Deferred Tax Liabilities Gross Deferred Tax Liabilities Gross Valuation allowance Valuation allowance - deferred tax assets relating to non-U.S subsidiaries Valuation Allowance Amount Foreign Valuation Allowance Amount Foreign Increase (decrease) in valuation allowance - deferred tax assets relating to non-U.S. subsidiaries Increase (Decrease) In Valuation Allowance Amount Foreign Increase (Decrease) In Valuation Allowance Amount Foreign U.S. valuation allowance net increase (decrease) Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount U.S. valuation allowance Tax Credit Carryforward, Valuation Allowance Unrecognized tax benefits Unrecognized Tax Benefits Unrecognized tax benefits that would impact effective tax rate if recognized Unrecognized Tax Benefits that Would Impact Effective Tax Rate Estimated associated net tax charge impact on effective tax rate Decrease in Unrecognized Tax Benefits is Reasonably Possible Estimated associated net tax benefit impact on effective tax rate Increase in Unrecognized Tax Benefits is Reasonably Possible Change in cash payment of unrecognized tax benefits, upper end of range Significant Change In Cash Payment Of Unrecognized Tax Benefits Reasonably Possible Estimated Upper Range Of Change Significant Change In Cash Payment Of Unrecognized Tax Benefits Reasonably Possible Estimated Upper Range Of Change Unrecognized tax benefits, accrued for interest Unrecognized Tax Benefits, Interest on Income Taxes Accrued Unrecognized tax benefits, accrued for penalties Unrecognized Tax Benefits, Income Tax Penalties Accrued Fair Value Disclosures [Abstract] Fair Value, Assets Measured on Recurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Non - U.S. Pension Benefit Foreign Pension Plan [Member] U.S. Pension Benefit Plans United States Pension Plan of US Entity [Member] Postretirement Health Coverage Postretirement Health Coverage [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Carrying (Reported) Amount Reported Value Measurement [Member] Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Common stock and equivalents Common Stock And Equivalents [Member] Common Stock And Equivalents [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Investments in money market mutual funds classified as cash and cash equivalents Money Market Funds, at Carrying Value Long-term debt, fair value Long-term Debt, Fair Value Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Largest Notional Amounts of the Positions to Buy or Sell Foreign Currency Schedule of Derivative Instruments [Table Text Block] Summary of Fair Values and Location in Condensed Consolidated Balance Sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Summary of Derivative Instruments and the Effect on the Condensed Consolidated Statements Of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Non U.S. Pension Benefit Plans Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Commingled equity funds Commingled Equity Funds [Member] Commingled Equity Funds [Member] Government, agency, and government-sponsored enterprise obligations US Treasury and Government [Member] Commingled bond funds Commingled Bond Funds [Member] Commingled Bond Funds [Member] Commingled short-term investment funds Short-term Investments [Member] Total Investment securities Securities Investment [Member] Insurance Contracts Insurance Contracts [Member] Insurance Contracts [Member] Level 1 Fair Value, Inputs, Level 1 [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Total investments securities Investments, Fair Value Disclosure Cash Cash Accrued income receivable Accrued Investment Income Receivable Fair value plan assets Defined Benefit Plan, Fair Value of Plan Assets Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Segment Sales Revenue, Segment [Member] Number of reportable segments Number of Reportable Segments Net sales Percentage of net sales Concentration Risk, Percentage Income Taxes Income Tax Disclosure [Text Block] Derivative [Table] Derivative [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated As Hedging Instruments Not Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest rate swap Interest Rate Swap [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Liabilities Other Liabilities [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Credit Concentration Risk Credit Concentration Risk [Member] Derivative [Line Items] Derivative [Line Items] Total outstanding foreign exchange contracts Credit Derivative, Maximum Exposure, Undiscounted Fair value of derivative liabilities Derivative Liability, Fair Value, Gross Liability Compensation and Retirement Disclosure [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Postretirement Health Care Benefits Plan Other Postretirement Benefit Plan [Member] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Investment return assumption Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Costs of sales Cost of Sales [Member] Selling, general and administrative expenses Selling General And Administrative Expense [Member] Selling, General and Administrative Expense [Member] Research and development expenditures Research and Development Expense [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Share-based compensation expense included in Operating earnings Allocated Share-based Compensation Expense Tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Share-based compensation expense, net of tax Allocated Share-based Compensation Expense, Net of Tax Decrease in basic earnings per share (US$ per share) Share Based Compensation Expense Impact On Earnings Per Share Basic This element represents the increase (decrease) in basic earnings per share attributable to share-based compensation expense. Decrease in diluted earnings per share (US$ per share) Share Based Compensation Expense Impact on Earnings Per Share Diluted This element represents the increase (decrease) in diluted earnings per share attributable to share-based compensation expense. Share-based compensation expense in discontinued operations Discontinued Operations, Share-Based Compensation Expense Discontinued Operations, Share-Based Compensation Expense Earnings from Continuing Operations Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Federal Statutory Tax Rate and Income Tax Expense Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Tax Credit Carryforwards Summary of Tax Credit Carryforwards [Table Text Block] Unrecognized Tax Benefits, Including Those Attributable to Discontinued Operations Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] Summary of Open Tax Years by Major Jurisdiction Schedule Of Summary Of Open Tax Years By Major Jurisdiction [Table Text Block] Schedule Of Summary Of Open Tax Years By Major Jurisdiction [Text Block] Interest expense, net: Interest Income (Expense), Net [Abstract] Interest expense Interest Expense Interest income Investment Income, Net Interest expense, net: Interest Income (Expense), Nonoperating, Net Other: Other Nonoperating Income (Expense) [Abstract] Loss from the extinguishment of long-term debt Investment impairments Other than Temporary Impairment Losses, Investments Foreign currency gain (loss) Foreign Currency Transaction Gain (Loss), before Tax Gain (loss) on derivative instruments Gain (Loss) on Derivative Instruments, Net, Pretax Gains on equity method investments Gain (Loss) On Managed Investment Fund Investments This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding investments in a managed investment fund. Realized foreign currency loss on acquisition Foreign Currency Transaction Loss, before Tax Other Other Miscellaneous Nonoperating Income (loss) Other Miscellaneous Nonoperating Income (loss) Total other Other Nonoperating Income (Expense) Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option and Performance Contingent Stock Option [Member] Employee Stock Option and Performance Contingent Stock Option [Member] Performance Options Performance Options [Member] Performance Options [Member] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Market Stock Units Market Stock Units [Member] Market Stock Units [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of Options Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Balance at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Releases/Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited/Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Balance at end of period (in shares) Vested or expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Weighted Average Exercise Price of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Balance at beginning of period (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (US$ per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Releases/Exercised (US$ per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited/Canceled (US$ per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Balance at end of period (US$ per share) Vested or expected to vest (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Number of Non-Vested Awards Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Balance at beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Releases/Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited/Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Balance at end of period (in shares) Vested or expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Number Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding at beginning of period (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Releases/Exercised (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited/Canceled (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Outstanding at end of period (US$ per share) Vested or expected to vest (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Weighted Average Grant Date Fair Value Retirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Receivables [Abstract] Long-term receivables Long-term Receivable, Loans and Lease, Net Amount due from customers for trade receivables with payment terms greater than 12 months, long-term loans and lease receivables under sales-type leases, net of a valuation allowance. Less current portion Long-term Receivable, Loans and Lease, Net, Current This element represents the net amount current portion of long term receivables which consist of trade receivables, long-term loans and lease receivables under sales-type leases. Non-current long-term receivables Accounts Receivable, Net, Noncurrent Fair Value Measurements Fair Value Disclosures [Text Block] Measurement Basis [Axis] Total Derivative Instrument [Axis] Derivative Contract [Domain] Foreign exchange contracts Foreign Exchange Contract [Member] Interest rate swap Foreign exchange derivative contracts Corporate bonds Corporate Debt Securities [Member] Assets: Assets, Fair Value Disclosure [Abstract] Foreign exchange derivative contracts Derivative Asset, Fair Value, Gross Asset Available-for-sale securities Available-for-sale Securities Liabilities: Liabilities, Fair Value Disclosure [Abstract] Foreign exchange derivative contracts Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Other assets Other Assets [Member] Accrued liabilities Accrued Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Fair value of derivative assets Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Future compensation increase rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Defined Benefit Plan, Asset Categories [Axis] Equity securities Equity Securities [Member] Fixed income securities Fixed Income Securities [Member] Cash and other investments Cash and Cash Equivalents [Member] All Pension Benefit Plans Pension Plan [Member] Target Mix Defined Benefit Plan, Target Plan Asset Allocations Actual Mix Defined Benefit Plan, Actual Plan Asset Allocations Restructuring and Related Activities [Abstract] Reorganization of Businesses Restructuring and Related Activities Disclosure [Text Block] Other Current Assets [Abstract] Other Current Assets [Abstract] Available-for-sale securities Available-for-sale Securities, Current Costs and earnings in excess of billings Costs in Excess of Billings, Current Tax-related refunds receivable Value Added Tax Receivable Other Other Unspecified Current Assets This element represents other current assets other than specified in taxonomy. Other current assets Other Assets, Current Other Assets: Other Assets, Noncurrent [Abstract] Intangible assets, net (Note 14) Finite-Lived Intangible Assets, Net Non-current long-term receivables Defined benefit plan assets Defined Benefit Plan, Assets for Plan Benefits, Noncurrent Other Other Unspecified Assets The aggregate carrying amount as of the balance sheet date of noncurrent assets not separately disclosed in the financial statements or notes thereto. Other assets Other Assets, Noncurrent Basic earnings per common share: Earnings Per Share, Basic [Abstract] Earnings (loss) from continuing operations, net of tax Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Net earnings (loss) attributable to Motorola Solutions, Inc. Weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Basic earnings (loss) per common share from continuing operations (US$ per share) Income (Loss) from Continuing Operations, Per Basic Share Basic earnings (loss) per common share attributable to Motorola Solutions, Inc. (US$ per share) Earnings Per Share, Basic Diluted earnings per common share: Earnings Per Share, Diluted [Abstract] Add effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Senior Convertible Notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted earnings (loss) per common share from continuing operations (US$ per share) Income (Loss) from Continuing Operations, Per Diluted Share Diluted earnings per common share attributable to Motorola Solutions, Inc. (US$ per share) Earnings Per Share, Diluted Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options Employee Stock Option [Member] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Silver Lake Partners Silver Lake Partners [Member] Silver Lake Partners [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Convertible Notes Senior Convertible Notes [Member] Senior Convertible Notes [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Convertible Debt Convertible Debt [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock options excluded from computation of dilutive shares due to antidilutive nature (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Debt instrument face principal amount Debt Instrument, Face Amount Debt instrument stated interest rate (percent) Debt Instrument, Interest Rate, Stated Percentage Convertible debt conversion ratio Debt Instrument, Convertible, Conversion Ratio Convertible debt conversion price (US$ per share) Debt Instrument, Convertible, Conversion Price Rental expense, net of sublease income Operating Leases, Rent Expense, Net Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2017 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2018 Operating Leases, Future Minimum Payments, Due in Two Years 2019 Operating Leases, Future Minimum Payments, Due in Three Years 2020 Operating Leases, Future Minimum Payments, Due in Four Years 2021 Operating Leases, Future Minimum Payments, Due in Five Years Beyond Operating Leases, Future Minimum Payments, Due Thereafter Purchase Obligation, Fiscal Year Maturity [Abstract] Purchase Obligation, Fiscal Year Maturity [Abstract] Total payments expected under purchase arrangements Purchase Obligation Total payments expected in 2017 Purchase Obligation, Due in Next Twelve Months Total payments expected in 2018 Purchase Obligation, Due in Second Year Total payments expected in 2019 Purchase Obligation, Due in Third Year Total payments expected in 2020 Purchase Obligation, Due in Fourth Year Total payments expected in 2021 Purchase Obligation, Due in Fifth Year Remaining contract payments Contractual Obligation Accrued portion of the amount of indemnification under agreements Loss Contingency Accrual Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill Activity Goodwill [Roll Forward] Aggregate goodwill Aggregate Goodwill Acquired This element represents the aggregate amount of goodwill acquired as of the balance sheet date. This goodwill is excluding any effect of impairment losses. Accumulated impairment losses Accumulated Impairment Losses This element represents the accumulated amount of impairment losses as of the balance sheet date. Goodwill Goodwill Goodwill acquired Goodwill, Acquired During Period Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Aggregate goodwill Accumulated impairment losses Impairment of goodwill Goodwill, Impairment Loss Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] Commercial loans and leases secured Commercial Loans And Leases Secured [Member] Commercial Loans And Leases Secured [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Interest income recognized on long-term receivables Interest Income Recognized On Long Term Receivables Interest Income Recognized On Long Term Receivables Commitments to provide long-term financing Long-term Financing The amount of outstanding commitments to provide long-term financing to third parties. Servicing obligations for long-term receivables Service Obligation for Long-term Receivables Represents the amount of sold long-term receivables for which the entity has retained servicing obligations. Financing receivables over 90 days past due Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] U.S. tax losses U S Tax Losses [Member] U S Tax Losses [Member] Foreign tax credits Foreign Tax Credits [Member] Foreign Tax Credits [Member] General business credits General Business Credits [Member] General Business Credits [Member] Minimum tax credits Minimum Tax Credits [Member] Minimum Tax Credits [Member] State tax losses State Tax Losses [Member] State Tax Losses [Member] State tax credits State Tax Credits [Member] State Tax Credits [Member] Japan tax losses Japan Tax Losses [Member] Japan Tax Losses [Member] Germany tax losses Germany Tax Losses [Member] Germany Tax Losses [Member] United Kingdom tax losses United Kingdom Tax Losses [Member] United Kingdom Tax Losses [Member] Singapore tax losses Singapore Tax Losses [Member] Singapore Tax Losses [Member] Other subsidiaries tax losses Other Subsidiaries Tax Losses [Member] Other Subsidiaries Tax Losses [Member] Spain tax credits Spain Tax Credits [Member] Spain Tax Credits [Member] Other subsidiaries tax credits Other Subsidiaries Tax Credits [Member] Other Subsidiaries Tax Credits [Member] Gross Tax Loss Tax Credit Carryforward, Amount Tax Effected Tax Credit Carryforward Tax Effected Tax Credit Carryforward Tax Effected Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Amortization of: Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments [Abstract] Unrecognized net loss Defined Benefit Plan, Amortization of Gains (Losses) Unrecognized prior service benefit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Curtailment gain Settlement loss Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Net periodic cost (benefit) Defined Benefit Plan, Net Periodic Benefit Cost Preferred stock Preferred Stock [Member] Government, agency and government-sponsored enterprise obligations Other government bonds Other Government Bonds [Member] Other Government Bonds [Member] Mortgage-backed bonds Collateralized Mortgage Backed Securities [Member] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Guardian Digital Communications Limited (GDCL) Guardian Digital Communications Limited (GDCL) [Member] Guardian Digital Communications Limited (GDCL) [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Pro Forma Information [Abstract] Business Acquisition, Pro Forma Information [Abstract] Revenues Business Acquisition, Pro Forma Revenue Earnings from continuing operations Business Acquisition, Pro Forma Net Income (Loss) Basic earnings per share from continuing operations (in US$ per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted earnings per share from continuing operations (in US$ per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Goodwill impairment charge Accumulated benefit obligation Defined Benefit Plan, Accumulated Benefit Obligation Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock and Additional Paid-in Capital Common Stock Including Additional Paid in Capital [Member] Accumulated Other Comprehensive Income (Loss) Retained Earnings Retained Earnings [Member] Noncontrolling Interests Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Shares, Issued Net earnings Other comprehensive income (loss) Issuance of common stock and stock options exercised (in shares) Issuance of common stock and stock options exercised Stock Issued During Period, Value, Stock Options Exercised Share repurchase program (in shares) Stock Repurchased and Retired During Period, Shares Share repurchase program Stock Repurchased and Retired During Period, Value Excess tax benefit (shortfalls) from share-based compensation Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Sale of controlling interest in subsidiary common stock Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Dividends declared Dividends, Common Stock, Cash Equity component of Senior Convertible Notes Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Balance (in shares) Quarterly Financial Data [Abstract] Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Allowance for doubtful accounts Allowance for Doubtful Accounts [Member] Inventory reserves Inventory Valuation Reserve [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Balance at January 1 Valuation Allowances and Reserves, Balance Charged to Earnings Valuation Allowances and Reserves, Additions for Charges to Cost and Expense Used Valuation Allowances and Reserves, Deductions Adjustments Valuation Allowances and Reserves, Additions for Adjustments Balance at December 31 Cash and cash equivalents Restricted cash Restricted Cash and Cash Equivalents Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Income Statement Location [Axis] Income Statement Location [Domain] Other income (expense) Other Income [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Gain (Loss) on Derivative Instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Income Tax Expense (Benefit) [Rollforward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance at January 1 Additions based on tax positions related to current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Additions for tax positions of prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions for tax positions of prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements and agreements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Balance at December 31 Other charges (income): Other Charges [Abstract] Other Charges Abstract Intangibles amortization Amortization of Intangible Assets Reorganization of businesses Other Restructuring Costs Legal settlement Gain (Loss) Related to Litigation Settlement Building impairment Impairment of Long-Lived Assets Held-for-use Settlement of pension plan Impairment of corporate aircraft Impairment of Long-Lived Assets to be Disposed of Gain on sale of building and land Acquisition-related transaction fees Business Combination, Acquisition Related Costs Other charges (income): Other Cost and Expense, Operating Other Liabilities [Abstract] Other Liabilities, Noncurrent [Abstract] Defined benefit plans Defined Benefit Pension Plan, Liabilities, Noncurrent Postretirement Health Care Benefit Plan Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent Deferred revenue Deferred Revenue, Noncurrent Unrecognized tax benefits Unrecognized Tax Benefits Noncurrent The non-current portion of the gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date, excluding amounts pertaining to examined tax returns. Deferred income taxes Deferred Income Tax Liabilities, Net Deferred consideration (Note 14) Business Combination, Contingent Consideration, Liability, Noncurrent Other Other Unspecified Noncurrent Liabilities This element represents other noncurrent liabilities other than specified in the taxonomy. Other liabilities Other Liabilities, Noncurrent Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Under $30 Exercise Price Range, Under $30 [Member] Exercise Price Range, Under $30 [Member] $30-$40 Exercise Price Range, $30-$40 [Member] Exercise Price Range, $30-$40 [Member] $41-$50 Exercise Price Range, $41-$50 [Member] Exercise Price Range, $41-$50 [Member] $51-$60 Exercise Price Range, $51-$60 [Member] Exercise Price Range, $51-$60 [Member] $61-$70 Exercise Price Range, $61-$70 [Member] Exercise Price Range, $61-$70 [Member] $71-$80 Exercise Price Range, $71-$80 [Member] Exercise Price Range, $71-$80 [Member] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Exercise price range, minimum (US$ per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Exercise price range, maximum (US$ per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Options Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] No. of options (in shares) Wtd. avg. Exercise Price (US$ per share) Wtd. avg. contractual life (in yrs.) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] No. of options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Wtd. avg. Exercise Price (US$ per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Wtd. avg. contractual life (in yrs.) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Investment Income [Table] Investment Income [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Corporate bonds Foreign Government Debt Securities Foreign Government Debt Securities [Member] Net Investment Income [Line Items] Net Investment Income [Line Items] Available-for-sale securities: Available-for-sale Securities [Abstract] Cost Basis Available-for-sale Securities, Amortized Cost Basis Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Unrealized Loss Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Investments Other investments, at cost Cost Method Investments Equity method investments Equity Method Investments Cost Basis Investments, Amortized Cost Investments, Amortized Cost Investments Investments Less: current portion of available-for-sale securities Long-term investments noncurrent Long-term Investments Payments to acquire United Kingdom treasury securities Payments to Acquire Marketable Securities Gross realized gain (loss) Available-for-sale Securities, Gross Realized Gain (Loss) Gains (losses) on sales of investments and businesses, net Investment impairments Statement of Financial Position [Abstract] Preferred stock, par value (US$ per share) Preferred Stock, Par or Stated Value Per Share Common stock, par value (US$ per share) Common Stock, Par or Stated Value Per Share Common stock authorized (in shares) Common Stock, Shares Authorized Common stock issued (in shares) Common Stock, Shares, Issued Common stock outstanding (in shares) Common Stock, Shares, Outstanding Value of Stock Option Weighted-Average Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Valuation Assumptions for Performance Options, Market Stock Units, and PCSOs Schedule of Share-based Payment Award, Equity Instruments Other than Employee Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Equity Instruments Other than Employee Stock Options, Valuation Assumptions [Table Text Block] Stock Options Outstanding and Exercisable Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Schedule of Share-based Compensation, Activity Schedule of Share-based Compensation, Activity [Table Text Block] Schedule of Compensation Expense Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table Text Block] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 2.0% Senior Convertible Notes due 2020 Two Percent Senior Convertible Notes Due Twenty Twenty [Member] Two Percent Senior Convertible Notes Due Twenty Twenty [Member] 3.5% senior notes due 2021 Three Point Five Percent Senior Notes Due Twenty Twenty One [Member] Three Point Five Percent Senior Notes Due Twenty Twenty One [Member] 3.75% senior notes due 2022 Three Point Seven Five Percent Senior Notes Due Two Thousand Twenty Two [Member] Three Point Seven Five Percent Senior Notes Due Two Thousand Twenty Two [Member] 3.5% senior notes due 2023 Three Point Five Zero Zero Percent Senior Notes Due 2023 [Member] Three Point Five Zero Zero Percent Senior Notes Due 2023 [Member] 4.0% senior notes due 2024 Four Point Zero Percent Senior Note Due Twenty Twenty Four [Member] Four Point Zero Percent Senior Note Due Twenty Twenty Four [Member] 6.5% debentures due 2025 Six Point Five Percent Debentures Due Two Thousand Twenty Five [Member] Six Point Five Percent Debentures Due Two Thousand Twenty Five [Member] 7.5% debentures due 2025 Seven Point Five Percent Debentures Due Two Thousand Twenty Five [Member] Seven Point Five Percent Debentures Due Two Thousand Twenty Five [Member] 6.5% debentures due 2028 Six Point Five Percent Debentures Due Two Thousand Twenty Eight [Member] Six Point Five Percent Debentures Due Two Thousand Twenty Eight [Member] 6.625% senior notes due 2037 Six Point Six Two Five Percent Senior Notes Due Two Thousand Thirty Seven [Member] Six Point Six Two Five Percent Senior Notes Due Two Thousand Thirty Seven [Member] 5.5% senior notes due 2044 Five Point Five Percent Senior Notes Due Two Thousand Forty Four [Member] Five Point Five Percent Senior Notes Due Two Thousand Forty Four [Member] 5.22% debentures due 2097 Five Point Two Two Percent Debentures Due Two Thousand Ninety Seven [Member] Five Point Two Two Percent Debentures Due Two Thousand Ninety Seven [Member] Other long-term debt Notes Payable, Other Payables [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term debt, gross Long-term Debt, Gross Adjustments for unamortized gains on interest rate swap terminations Unamortized Gain on Interest Rate Swap Termination Unamortized Gain on Interest Rate Swap Termination Less: current portion Long-term Debt, Current Maturities Long-term debt Long-term Debt, Excluding Current Maturities Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Reorganization of business charges Restructuring, Settlement and Impairment Provisions Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Exit costs Exit Costs [Member] Future minimum lease payments and termination of a contract associated with exit from or disposal of business activities or restructurings pursuant to a plan. Employee separation costs Employee Severance [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Accruals at January 1 Restructuring Reserve Additional Charges Restructuring Charges Adjustments Restructuring Reserve, Accrual Adjustment Amount Used Payments for Restructuring Accruals at December 31 Accounting Policies [Abstract] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Investments Investment, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Property, Plant, and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Sales and Use Taxes Sales and Use Taxes [Policy Text Block] Sales and Use Taxes [Policy Text Block] Long-term Receivables Receivables, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Derivative Instruments Derivatives, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Share-Based Compensation Costs Share Based Compensation Costs [Policy Text Block] Share Based Compensation Costs [Policy Text Block] Retirement Benefits Retirement Benefits Policy [Policy Text Block] Retirement Benefits [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Intangible Assets and Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Long-Term Financing Long-term Receivable, Loans and Lease [Table Text Block] Disclosure of details about long-term receivables, which consist of trade receivables with payment terms greater than twelve months, long-term loans and lease receivables under sales-type leases. Proceeds Received from Non-Recourse Sales of Accounts Receivable And Long-Term Receivables Schedule of Proceeds Received from Non Recourse Sales of Accounts and Long Term Receivable Text Block [Table Text Block] Schedule of Proceeds Received from Non Recourse Sales of Accounts and Long Term Receivable Text Block Financing Receivables Aging Analysis Past Due Financing Receivables [Table Text Block] Effective Income Tax Rate Reconciliation, Amount [Abstract] Effective Income Tax Rate Reconciliation, Amount [Abstract] Income tax expense (benefit) at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Tax on non-U.S. earnings Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount State income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Recognition of previously unrecognized income tax benefits Effective Income Tax Rate Reconciliation, Disposition of Business, Amount Other provisions Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Section 199 deduction Income Tax Reconciliation Deductions Section One Nine Nine Deduction Income Tax Reconciliation Deductions Section One Nine Nine Deduction Tax on undistributed non-U.S. earnings Income Tax Reconciliation Tax On Undistributed Non U S Earnings Income Tax Reconciliation Tax On Undistributed Non U S Earnings Research credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Total income tax expense (benefit) Income Tax Expense (Benefit) Effective Income Tax Rate Reconciliation, Percent [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Tax on non-U.S. earnings Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent State income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Recognition of previously unrecognized income tax benefits Effective Income Tax Rate Reconciliation, Disposition of Business, Percent Other provisions Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Section 199 deduction Income Tax Reconciliation Deductions Section One Nine Nine Deduction, Percent Income Tax Reconciliation Deductions Section One Nine Nine Deduction, Percent Tax on undistributed non-U.S. earnings Income Tax Reconciliation Tax On Undistributed Non U S Earnings, Percent Income Tax Reconciliation Tax On Undistributed Non U S Earnings, Percent Research credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Total income tax expense (benefit), percent Effective Income Tax Rate Reconciliation, Percent Equity securities minimum restriction period Equity Securities Minimum Restriction Period Equity Securities Minimum Restriction Period Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Property, Plant and Equipment by Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Building and Building Equipment Building and Building Improvements [Member] Machinery And Equipment Machinery and Equipment [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Principles, Early Adoption [Domain] New Accounting Principles, Early Adoption [Domain] New Accounting Pronouncement, Early Adoption, Effect New Accounting Pronouncement, Early Adoption, Effect [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09 [Member] Accounting Standards Update 2016-09, Statutory Tax Withholding Component Accounting Standards Update 2016-09, Statutory Tax Withholding Component [Member] Accounting Standards Update 2016-09, Statutory Tax Withholding Component [Member] Accounting Standards Update 2016-09, Excess Tax Benefit Component Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] Accounting Standards Update 2016-09, Excess Tax Benefit Component [Member] Accounting Standards Update 2015-03 Accounting Standards Update 2015-03 [Member] Long-term Debt Long-term Debt [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Percent of historical transactions Revenue Recognition, Multiple-deliverable Arrangements, Determination of Selling Price, Percent Revenue Recognition, Multiple-deliverable Arrangements, Determination of Selling Price, Percent Selling price, marginal percentage rate Revenue Recognition, Multiple-deliverable Arrangements, Determination of Selling Price, Marginal Percentage Rate Revenue Recognition, Multiple-deliverable Arrangements, Determination of Selling Price, Marginal Percentage Rate Property, plant and equipment useful life, years Property, Plant and Equipment, Useful Life Intangible assets estimated useful lives Finite-Lived Intangible Asset, Useful Life Minimum contractual term for trade receivables Minimum Contractual Term For Trade Receivables Minimum Contractual Term For Trade Receivables Excess tax benefit Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Net cash provided by (used for) operating activities from continuing operations Net cash used for financing activities from continuing operations Debt issuance costs, net Debt Issuance Costs, Net Discontinued Operations and Disposal Groups [Abstract] Summarized Activity, Assets, and Liabilities of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Inventory, Net [Abstract] Inventory, Net [Abstract] Finished goods Inventory, Finished Goods, Gross Work-in-process and production materials Inventory, Work in Process and Raw Materials Inventories, gross Inventory, Gross Less inventory reserves Inventory Valuation Reserves Inventories, net Inventory, Net Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Other charges Other Expense [Member] Major Property Class [Axis] Major Property Class [Axis] Major Property Class [Domain] Major Property Class [Domain] Air Transportation Equipment Air Transportation Equipment [Member] Building Building [Member] Operating Activities [Axis] Operating Activities [Domain] Continuing Operations Discontinued Operations Discontinued Operations [Member] Asset Impairment Due Reorganization Asset Impairment Due Reorganization [Member] Asset Impairment Due Reorganization [Member] Maximum severance benefits salary period Restructuring and Related Costs, Maximum Severance, Number of Months Salary Restructuring and Related Costs, Maximum Severance, Number of Months Salary Asset impairment charges Asset Impairment Charges Restructuring reserve Additional charges Cash payments for exit costs Restructuring charges in the period for total employee severance (in number of employees) Restructuring Charges Employees Restructuring Charges Employees Restructuring charges in the period for direct employees' severance (in number of employees) Restructuring Charges During Period For Direct Employees' Severance, Number Of Employees Restructuring charges in the period for direct employees' severance (in number of employees) Restructuring charges in the period for indirect employees' severance (in number of employees) Restructuring Charges Employees Indirect Restructuring Charges Employees Indirect Net adjustment of accruals Number of employees expected to be paid (in number of employees) Number Of Employees Expected To Be Paid Remaining Accruals Within One Year Number Of Employees Expected To Be Paid Remaining Accruals Within One Yea United States Current Federal Tax Expense (Benefit) Other nations Current Foreign Tax Expense (Benefit) States (U.S.) Current State and Local Tax Expense (Benefit) Current income tax expense Current Income Tax Expense (Benefit) United States Deferred Federal Income Tax Expense (Benefit) Other nations Deferred Foreign Income Tax Expense (Benefit) States (U.S.) Deferred State and Local Income Tax Expense (Benefit) Deferred income tax expense (benefit) Information by Segment and Geographic Region Segment Reporting Disclosure [Text Block] Long-term Financing and Sales of Receivables Long-term Customer Financing and Sales of Receivables [Text Block] Provides the disclosures pertaining to (i) the amounts due from customers with payment terms greater than twelve months, long-term loans, and lease receivables under sales type leases, (ii) other financing activities with customers, and (iii) the sale of receivables. Line of Credit Facility [Table] Line of Credit Facility [Table] Term Loan Term Loan [Member] Term Loan [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Letter of Credit Letter of Credit [Member] New Credit Agreement Term Loan Agreement [Member] Term Loan Agreement [Member] 2014 Motorola Solutions Credit Agreement Motorola Solutions Credit Agreement 2014 [Member] Motorola Solutions Credit Agreement 2014 [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt instrument term Debt Instrument, Term Volume weighted average share price (if exceeds) (in dollars per share) Debt Instrument, Convertible, Stock Price Trigger Consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Percent of notes, transfer or convert to shares of stock (up to) Debt Instrument, Convertible, Percent of Debt Convertible to Stock Debt Instrument, Convertible, Percent of Debt Convertible to Stock Value by which senior convertible notes exceeded their principal Debt Instrument, Convertible, If-converted Value in Excess of Principal Fair value inputs discount rate Fair Value Inputs, Discount Rate Convertible debt Convertible Debt Debt unamortized discount Debt Instrument, Unamortized Discount Amortization period Debt Instrument, Convertible, Remaining Discount Amortization Period Contractual interest coupon and amortization of debt discount Interest Expense, Debt Long-term maturities during 2017 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Long-term maturities during 2018 Long-term Debt, Maturities, Repayments of Principal in Year Two Long-term maturities during 2019 Long-term Debt, Maturities, Repayments of Principal in Year Three Long-term maturities during 2020 Long-term Debt, Maturities, Repayments of Principal in Year Four Long-term maturities during 2021 Long-term Debt, Maturities, Repayments of Principal in Year Five Unsecured syndicated revolving credit facility Line of Credit Facility, Current Borrowing Capacity Proceeds from lines of credit Proceeds from Long-term Lines of Credit Other Charges (Income) Other Charges [Table Text Block] Other Charges [Table Text Block] - Table Text block for the break-up of other charges charged to earnings. Other Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Inventories, Net Schedule of Inventory, Current [Table Text Block] Other Current Assets Schedule of Other Assets [Table Text Block] Property, Plant And Equipment, Net Property, Plant and Equipment [Table Text Block] Investments Cash Equivalents and Investments [Table Text Block] Cash Equivalents and Investments [Table Text Block] - Schedule of Cash equivalents and investments, including debt and equity securities accounted for under the equity or cost methods of accounting. Other Assets Schedule of Other Assets, Noncurrent [Table Text Block] Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Other Liabilities Schedule of Other Liabilities [Table Text Block] Schedule of Other Liabilities [Table Text Block] Changes in Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Quarterly and Other Financial Data (Unaudited) Quarterly Financial Information [Text Block] Other government bonds Invested cash Cash [Member] Fair value plan assets Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table]