Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable, Current Accounts payable Accounts Receivable, Net, Current Accounts receivable, net of allowance for doubtful accounts of $426 and $335 Accrued Income Taxes, Current Income taxes Accrued Income Taxes, Noncurrent Tax contingencies and other tax liabilities Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, accumulated depreciation Accumulated depreciation Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Derivatives Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Investments Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss), end of period Accumulated other comprehensive income (loss), beginning of period Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] AOCI Attributable to Parent [Member] Accumulated other comprehensive income Accumulated Translation Adjustment and Other [Member] Accumulated Translation Adjustment and Other [Member] Translation Adjustments and Other The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Acquired Finite Lived Intangible Assets Amount Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Weighted Average Life Weighted-average amortization period The cash outflow associated with the acquisitions of businesses, net of the cash acquired from the purchases, and purchases of intangible and other assets. Acquisitions, net of cash acquired and purchases of intangible and other assets Acquisition of companies, net of cash acquired, and purchases of intangible and other assets Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock-based compensation expense Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash from operations: Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Stock-based compensation income tax benefits Advertising Expense Advertising expense Advertising [Member] Advertising [Member] Advertising Allocated Share-based Compensation Expense Stock-based compensation expense Allowance for Doubtful Accounts [Member] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts Amendment Flag Amendment Flag Amortization of Intangible Assets Intangible assets amortization expense Asset-backed Securities [Member] Mortgage- and asset-backed securities Asset Impairment Charges Goodwill and asset impairments Assets Total assets Assets [Abstract] Assets Assets, Current Total current assets Assets, Current [Abstract] Current assets: Assets, Fair Value Disclosure, Recurring Assets Net fair value of assets measured at fair value on a recurring basis Available-for-sale Debt Securities, Amortized Cost Basis Total Available-for-sale Securities Recorded Basis Recorded basis of investment components Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Unrealized Losses Available-for-sale Securities, Amortized Cost Basis Cost Basis Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 12 Months or Greater - Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Total Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Total Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Less than 12 Months - Unrealized Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less than 12 Months - Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 Months or Greater - Fair Value Available-for-sale Securities, Current Short-term Investments Short-term investments (including securities loaned of $204 and $75) Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract] Cost Basis Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] Estimated Fair Value Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis Due in one year or less Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value Due in one year or less Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis Due after 10 years Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Fair Value Due after 10 years Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis Due after five years through 10 years Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value Due after five years through 10 years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis Due after one year through five years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value Due after one year through five years Available-for-sale Securities, Debt Securities Total Available-for-sale Securities, Gross Realized Gains Realized gains from sales of available-for-sale securities Available-for-sale Securities, Gross Realized Losses Realized losses from sales of available-for-sale securities Award Type [Axis] Award Type [Axis] Balance Sheet Location [Axis] Derivatives, Fair Value, by Balance Sheet Location Balance Sheet Location [Domain] Balance Sheet Location [Domain] Balance Sheet Offsetting Eligibility [Axis] Balance Sheet Offsetting Eligibility [Axis] Balance Sheet Offsetting Eligibility [Axis] Balance Sheet Offsetting Eligibility [Domain] Balance Sheet Offsetting Eligibility [Domain] Balance Sheet Offsetting Eligibility [Domain] Basis of Accounting, Policy [Policy Text Block] Accounting Principles Building and Building Improvements [Member] Buildings and Improvements Building, Building Improvements and Leasehold Improvements [Member] Building, Building Improvements and Leasehold Improvements [Member] Building, Building Improvements and Leasehold Improvements Building [Member] Buildings Buildings and Improvements, Gross Buildings and improvements Bundled Offerings [Member] Bundled Offerings [Member] Bundled Offerings Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition The amount expected to be paid to acquire an entity that has been announced but not yet completed. Business Acquisition Cost Of Acquired Entity Expected Purchase Price All-cash transaction valued Business Acquisition, Effective Date of Acquisition Acquisition date Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Name of Acquired Entity Name of acquired entity Business Acquisition, Pro Forma Earnings Per Share, Diluted Diluted earnings per share Business Acquisition, Pro Forma Information [Table Text Block] Supplemental Consolidated Results on Unaudited Pro Forma Basis, as If the Acquisition Had Been Consummated on Beginning of Period Business Acquisition, Share Price Acquisition price per share Business Acquisition, Pro Forma Net Income (Loss) Net income Business Acquisition, Pro Forma Revenue Revenue Business Combination, Acquired Receivables, Estimated Uncollectible Gross accounts receivable, expected to be uncollectible Business Combination, Acquired Receivables, Gross Contractual Amount Gross accounts receivable Business Combination, Acquisition Related Costs Acquisition costs Business Combination, Consideration Transferred Total purchase price Business Combination, Consideration Transferred, Liabilities Incurred Liabilities assumed Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Operating loss since the Acquisition Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Revenue since the Acquisition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Cash Cash acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Intangible assets Fair value of intangible assets acquired Identifiable intangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities Long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Property and equipment Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Total purchase price Business Combinations [Abstract] Business Combinations [Abstract] Capitalized Computer Software, Amortization Amortization of capitalized software Capitalized Software Development Costs for Software Sold to Customers Net carrying amount of software to be sold, leased, or otherwise marketed Capital Unit [Line Items] Capital Unit [Line Items] Cash Cash Cash Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Cash, Cash Equivalents and Investments [Line Items] Cash, Cash Equivalents and Investments [Line Items] Cash, Cash Equivalents and Investments [Line Items] Cash, Cash Equivalents and Investments [Table] Cash, Cash Equivalents and Investments [Table] Cash, Cash Equivalents and Investments [Table] Cash, Cash Equivalents, and Short-term Investments Total cash, cash equivalents, and short-term investments Cash Flow Hedging [Member] Cash flow hedging Cash [Member] Cash Certain Long-Lived Assets by Geography [Line Items] Certain Long-Lived Assets by Geography [Line Items] Certain Long-Lived Assets by Geography [Line Items] Certain Long-Lived Assets by Geography [Table] Certain Long-Lived Assets by Geography [Table] Certain Long-Lived Assets by Geography [Table] Certificates of Deposit [Member] Certificates of deposit Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Derivatives Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Hedged items Commercial Cloud [Member] Commercial Cloud [Member] Commercial Cloud Commercial Paper Commercial paper Commercial Paper [Member] Commercial paper Commitments and Contingencies Commitments and contingencies Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments Disclosure [Text Block] COMMITMENTS Commitments, Fair Value Disclosure Committed for construction of new buildings, building improvements and leasehold improvements Commitments [Line Items] Commitments [Line Items] Commitments [Line Items] Commitments [Table] Commitments [Table] Commitments [Table] Commodity Contract [Member] Commodity Contracts Common Stock, Dividends, Per Share, Declared Cash dividends declared per common share Dividend Per Share Common Stock Including Additional Paid in Capital [Member] Common stock and paid-in capital Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Outstanding Balance, end of year Balance, beginning of year Common stock, outstanding Common Stocks, Including Additional Paid in Capital Common stock and paid-in capital - shares authorized 24,000; outstanding 7,808 and 8,027 Compensation and Employee Benefit Plans [Text Block] EMPLOYEE STOCK AND SAVINGS PLANS Compensation Related Costs Disclosure [Line Items] Compensation Related Costs Disclosure [Line Items] Compensation Related Costs Disclosure [Line Items] Compensation Related Costs Disclosure [Table] Compensation Related Costs Disclosure [Table] Compensation Related Costs Disclosure [Table] Repurchase of convertible notes in connection with business acquisition. Component Of Non Cash Transaction To Acquire Business Non-cash transaction to acquire the business Component of Other Income, Nonoperating [Abstract] Components of Other Income (Expense) [Line Items] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income Comprehensive Income (Loss) Note [Text Block] ACCUMULATED OTHER COMPREHENSIVE INCOME Computer Equipment [Member] Computer Equipment Computer hardware and software. Computer Hardware and Software Computer equipment and software Consolidation Items [Axis] Segment Reporting Reconciling Item Consolidation Items [Domain] Consolidation Items [Domain] Consolidation, Policy [Policy Text Block] Principles of Consolidation Consulting and product support services [Member] Consulting and product support services [Member] Consulting and product support services Contractual Rights [Member] Contract-based Corporate and Reconciling Items [Member] Corporate and Reconciling Items [Member] Corporate and Other Corporate Debt Securities [Member] Corporate notes and bonds Cost Method Investments Common and preferred stock measured at fair value on a nonrecurring basis Recorded basis of common and preferred stock that are restricted for more than one year or are not publicly traded Cost of Goods Sold Product Cost of Revenue Total cost of revenue Cost of Revenue [Abstract] Cost of revenue Cost of Sales, Policy [Policy Text Block] Cost of Revenue Cost of Services and Other Cost of Services and Other Service and other Credit Facility, Expire on November Fourteen Twenty Eighteen [Member] Credit Facility, Expire on November Fourteen Twenty Eighteen [Member] Credit Facility Expire on November 14th 2018 Credit Facility Expire On November One Twenty Sixteen [Member] Credit Facility Expire On November One Twenty Sixteen [Member] Credit Facility Expire on November 1st 2016 Credit Risk Contract [Member] Credit Contracts Current Federal Tax Expense (Benefit) U.S. federal Current Fiscal Year End Date Current Fiscal Year End Date Current Foreign Tax Expense (Benefit) Foreign Current Income Tax Expense (Benefit) Current taxes Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Current Taxes Current State and Local Tax Expense (Benefit) U.S. state and local Customer Relationships [Member] Customer-related Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] DEBT Debt Instrument [Axis] Debt Instrument Debt Instrument, Credit Rating Debt instrument credit rating Debt Instrument, Face Amount Face Value Total Debt Instrument, Interest Rate, Effective Percentage Effective Interest Rate Debt Instrument, Interest Rate, Stated Percentage Stated Interest Rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Maturity Date Debt maturity date Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument, Term Commercial paper, maturity term Debt Instrument, Unamortized Discount Unamortized discount Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred taxes Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Deferred Taxes Deferred Tax Liabilities, Gross Deferred income tax liabilities Deferred Income Tax Liabilities, Net Net deferred income tax assets (liabilities) Deferred Revenue Unearned revenue Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement Type [Axis] Deferred Revenue Arrangement Type Deferred Revenue [Domain] Deferred Revenue [Domain] Table of deferred revenue by reportable segment. Deferred Revenue By Segment [Table Text Block] Unearned Revenue by Segment Deferred Revenue, Current Short-term unearned revenue Deferred Revenue Disclosure [Abstract] Deferred Revenue Disclosure [Abstract] Deferred Revenue Disclosure [Text Block] UNEARNED REVENUE Deferred Revenue, Noncurrent Long-term unearned revenue Deferred Tax Assets, Deferred Income Unearned revenue Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from depreciation and amortization. Deferred Tax Assets, Depreciation and Amortization Depreciation and amortization Deferred Tax Assets, Gross Deferred income tax assets Deferred Tax Assets, Net, Classification [Abstract] Reported As Deferred Tax Assets, Net, Current Current deferred income tax assets