$IBM
INTERNATIONAL BUSINESS MACHINES CORP Stock $ibm

$ibm Overview Financials Valuation SEC Filings Company Website

2012 Q3 Form 10-Q Financial Statement

#000110465912072210 Filed on October 30, 2012

Income Statement

Concept	2012 Q3	2011 Q3
Revenue	$24.75B	$26.16B
YoY Change	-5.39%	7.77%
Cost Of Revenue	$13.02B	$13.98B
YoY Change	-6.92%	5.38%
Gross Profit	$11.73B	$12.17B
YoY Change	-3.62%	10.65%
Gross Profit Margin	47.41%	46.54%
Selling, General & Admin	$5.908B	$5.662B
YoY Change	4.34%	11.85%
% of Gross Profit	50.36%	46.51%
Research & Development	$1.534B	$1.546B
YoY Change	-0.78%	5.6%
% of Gross Profit	13.08%	12.7%
Depreciation & Amortization	$1.191B	$1.192B
YoY Change	-0.08%	-0.91%
% of Gross Profit	10.15%	9.79%
Operating Expenses	$7.442B	$7.208B
YoY Change	3.25%	15.55%
Operating Profit	$4.290B	$4.965B
YoY Change	-13.6%	4.24%
Interest Expense	$124.0M	$107.0M
YoY Change	15.89%	-275.41%
% of Operating Profit	2.89%	2.16%
Other Income/Expense, Net	-$1.000M
YoY Change
Pretax Income	$5.074B	$5.027B
YoY Change	0.93%	7.48%
Income Tax	$1.251B	$1.188B
% Of Pretax Income	24.66%	23.63%
Net Earnings	$3.824B	$3.839B
YoY Change	-0.39%	6.97%
Net Earnings / Revenue	15.45%	14.68%
Basic Earnings Per Share	$3.36	$3.23
Diluted Earnings Per Share	$3.33	$3.19
COMMON SHARES
Basic Shares Outstanding	1.137B shares	1.189B shares
Diluted Shares Outstanding	1.149B shares	1.205B shares

Balance Sheet

Concept	2012 Q3	2011 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$12.25B	$11.30B
YoY Change	8.41%	1.96%
Cash & Equivalents	$11.91B	$11.30B
Short-Term Investments	$345.0M	$0.00
Other Short-Term Assets	$6.538B	$6.420B
YoY Change	1.84%	2.59%
Inventory	$2.586B	$2.663B
Prepaid Expenses
Receivables	$9.772B	$9.719B
Other Receivables	$2.066B	$15.27B
Total Short-Term Assets	$48.14B	$45.37B
YoY Change	6.1%	2.03%
LONG-TERM ASSETS
Property, Plant & Equipment	$14.03B	$13.89B
YoY Change	1.01%	-0.87%
Goodwill	$28.27B
YoY Change
Intangibles	$3.565B
YoY Change
Long-Term Investments	$5.006B	$5.422B
YoY Change	-7.67%	-12.07%
Other Assets	$5.006B	$7.699B
YoY Change	-34.98%	5.01%
Total Long-Term Assets	$67.64B	$64.79B
YoY Change	4.4%	3.32%
TOTAL ASSETS
Total Short-Term Assets	$48.14B	$45.37B
Total Long-Term Assets	$67.64B	$64.79B
Total Assets	$115.8B	$110.2B
YoY Change	5.1%	2.78%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$7.085B	$7.093B
YoY Change	-0.11%	0.13%
Accrued Expenses	$9.703B	$9.252B
YoY Change	4.87%	-1.53%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$9.334B	$6.071B
YoY Change	53.75%	9.27%
Total Short-Term Liabilities	$39.50B	$36.03B
YoY Change	9.63%	1.65%
LONG-TERM LIABILITIES
Long-Term Debt	$24.33B	$24.09B
YoY Change	1.01%	10.0%
Other Long-Term Liabilities	$9.335B	$27.66B
YoY Change	-66.25%	0.69%
Total Long-Term Liabilities	$33.67B	$51.75B
YoY Change	-34.94%	4.82%
TOTAL LIABILITIES
Total Short-Term Liabilities	$39.50B	$36.03B
Total Long-Term Liabilities	$33.67B	$51.75B
Total Liabilities	$94.11B	$87.78B
YoY Change	7.21%	3.5%
SHAREHOLDERS EQUITY
Retained Earnings	$112.8B
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$120.1B
YoY Change
Treasury Stock Shares	1.065B shares
Shareholders Equity	$21.54B	$22.29B
YoY Change
Total Liabilities & Shareholders Equity	$115.8B	$110.2B
YoY Change	5.1%	2.78%

Cashflow Statement

Concept	2012 Q3	2011 Q3
OPERATING ACTIVITIES
Net Income	$3.824B	$3.839B
YoY Change	-0.39%	6.97%
Depreciation, Depletion And Amortization	$1.191B	$1.192B
YoY Change	-0.08%	-0.91%
Cash From Operating Activities	$4.514B	$4.679B
YoY Change	-3.53%	2.81%
INVESTING ACTIVITIES
Capital Expenditures	-$1.103B	-$1.135B
YoY Change	-2.82%	12.6%
Acquisitions
YoY Change
Other Investing Activities	$104.0M	$330.0M
YoY Change	-68.48%	-142.75%
Cash From Investing Activities	-$999.0M	-$805.0M
YoY Change	24.1%	-54.78%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-2.507B	-3.668B
YoY Change	-31.65%	6.16%
NET CHANGE
Cash From Operating Activities	4.514B	4.679B
Cash From Investing Activities	-999.0M	-805.0M
Cash From Financing Activities	-2.507B	-3.668B
Net Change In Cash	1.008B	206.0M
YoY Change	389.32%	-130.12%
FREE CASH FLOW
Cash From Operating Activities	$4.514B	$4.679B
Capital Expenditures	-$1.103B	-$1.135B
Free Cash Flow	$5.617B	$5.814B
YoY Change	-3.39%	4.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.60
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	5642000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2697000000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2250000000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11909000000	USD
	ibm	Finite Lived Intangible Assets Increase Decrease FiniteLivedIntangibleAssetsIncreaseDecrease	172000000	USD
	ibm	Intangible Assets Fully Amortized Retired IntangibleAssetsFullyAmortizedRetired	503000000	USD
CY2012Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	324000000	USD
CY2011Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	307000000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	952000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1105000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	778000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	487000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	398000000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	25136000000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1879000000	USD
CY2011	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1291000000	USD
	us-gaap	Goodwill Allocation Adjustment GoodwillAllocationAdjustment	-24000000	USD
CY2011	us-gaap	Goodwill Allocation Adjustment GoodwillAllocationAdjustment	2000000	USD
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	20000000	USD
CY2011	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	13000000	USD
	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	221000000	USD
CY2011	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-203000000	USD
CY2011Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	38000000	USD
CY2012Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	36000000	USD
	us-gaap	Restructuring Reserve Settled With Cash RestructuringReserveSettledWithCash	29000000	USD
	ibm	Restructuring Reserve Current Other Adjustments RestructuringReserveCurrentOtherAdjustments	-27000000	USD
CY2011Q4	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	347000000	USD
CY2012Q3	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	335000000	USD
	ibm	Restructuring Reserve Noncurrent Other Adjustments RestructuringReserveNoncurrentOtherAdjustments	-11000000	USD
CY2012Q3	ibm	Clients Presence In Number Of Countries ClientsPresenceInNumberOfCountries	170	item
CY2012Q3	us-gaap	Income Tax Examination Range Of Possible Losses IncomeTaxExaminationRangeOfPossibleLosses	550000000	USD
CY2012Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	364000000	USD
CY2011Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	407000000	USD
CY2010Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	375000000	USD
CY2011Q3	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	382000000	USD
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	270000000	USD
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	309000000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-18000000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	15000000	USD
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	295000000	USD
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	318000000	USD
CY2012Q3	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	345000000	USD
CY2012Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	9772000000	USD
CY2012Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000	USD
CY2011Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	900000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5700000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.48
CY2011Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1204900000	shares
CY2011Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1188600000	shares
CY2011Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.75
	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	45241000000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	30612000000	USD
	us-gaap	Financial Services Revenue FinancialServicesRevenue	1577000000	USD
	us-gaap	Revenues Revenues	77430000000	USD
	us-gaap	Cost Of Services CostOfServices	30569000000	USD
	us-gaap	Cost Of Goods Sold CostOfGoodsSold	10657000000	USD
	us-gaap	Financial Services Costs FinancialServicesCosts	787000000	USD
	us-gaap	Gross Profit GrossProfit	35416000000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	17518000000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	4703000000	USD
	ibm	Intellectual Property And Custom Development Income IntellectualPropertyAndCustomDevelopmentIncome	855000000	USD
	ibm	Other Income And Expense OtherIncomeAndExpense	23000000	USD
	us-gaap	Interest Expense InterestExpense	298000000	USD
	ibm	Expense And Other Income ExpenseAndOtherIncome	21687000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13729000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3364000000	USD
	us-gaap	Profit Loss ProfitLoss	10365000000	USD
CY2011Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	15299000000	USD
CY2011Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	10331000000	USD
CY2011Q3	us-gaap	Financial Services Revenue FinancialServicesRevenue	527000000	USD
CY2011Q3	us-gaap	Revenues Revenues	26157000000	USD
CY2011Q3	us-gaap	Cost Of Services CostOfServices	10138000000	USD
CY2011Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	3570000000	USD
CY2011Q3	us-gaap	Financial Services Costs FinancialServicesCosts	276000000	USD
CY2011Q3	us-gaap	Cost Of Revenue CostOfRevenue	13984000000	USD
CY2011Q3	us-gaap	Gross Profit GrossProfit	12173000000	USD
CY2011Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5662000000	USD
CY2011Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1546000000	USD
CY2011Q3	ibm	Intellectual Property And Custom Development Income IntellectualPropertyAndCustomDevelopmentIncome	298000000	USD
CY2011Q3	ibm	Other Income And Expense OtherIncomeAndExpense	128000000	USD
CY2011Q3	us-gaap	Interest Expense InterestExpense	107000000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5027000000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1205200000	shares
CY2011Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1188000000	USD
CY2011Q3	us-gaap	Profit Loss ProfitLoss	3839000000	USD
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.19
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.23
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1222100000	shares
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.15
CY2012Q3	us-gaap	Revenues Revenues	24747000000	USD
	us-gaap	Revenues Revenues	75203000000	USD
CY2012Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	14626000000	USD
CY2012Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	9642000000	USD
CY2012Q3	us-gaap	Financial Services Revenue FinancialServicesRevenue	479000000	USD
CY2012Q3	us-gaap	Cost Of Services CostOfServices	9515000000	USD
CY2012Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	3242000000	USD
CY2012Q3	us-gaap	Financial Services Costs FinancialServicesCosts	258000000	USD
CY2012Q3	us-gaap	Cost Of Revenue CostOfRevenue	13016000000	USD
CY2012Q3	us-gaap	Gross Profit GrossProfit	11732000000	USD
CY2012Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5908000000	USD
CY2012Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.85
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.45
CY2011Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-989000000	USD
CY2011Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2850000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	645000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	11010000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-24000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-165000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	887000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	778000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1165000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	11936000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11922000000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	11179000000	USD
CY2011Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	16901000000	USD
CY2011Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	1481000000	USD
CY2011Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	589000000	USD
CY2011Q4	us-gaap	Inventory Work In Process And Raw Materials InventoryWorkInProcessAndRawMaterials	2007000000	USD
CY2011Q4	us-gaap	Inventory Net InventoryNet	2595000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	1601000000	USD
CY2011Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5249000000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	50928000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	40124000000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	26241000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13883000000	USD
CY2011Q4	us-gaap	Prepaid Pension Costs PrepaidPensionCosts	2843000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	3503000000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	26213000000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3392000000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4895000000	USD
CY2011Q4	us-gaap	Assets Assets	116433000000	USD
CY2011Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	10776000000	USD
CY2011Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	3313000000	USD
CY2011Q4	us-gaap	Debt Current DebtCurrent	8463000000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	8517000000	USD
CY2011Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	5099000000	USD
CY2011Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	12197000000	USD
CY2011Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	4535000000	USD
CY2011Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	22857000000	USD
CY2011Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	18374000000	USD
CY2011Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	3847000000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8996000000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	96197000000	USD
CY2011Q4	us-gaap	Common Stock Including Additional Paid In Capital CommonStockIncludingAdditionalPaidInCapital	48129000000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	104857000000	USD
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	110963000000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-21885000000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	20138000000	USD
CY2011Q4	us-gaap	Minority Interest MinorityInterest	97000000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	116433000000	USD
CY2012Q3	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	14925000000	USD
CY2012Q3	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	2066000000	USD
CY2012Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	649000000	USD
CY2012Q3	us-gaap	Inventory Work In Process And Raw Materials InventoryWorkInProcessAndRawMaterials	1937000000	USD
CY2012Q3	us-gaap	Inventory Net InventoryNet	2586000000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	1522000000	USD
CY2012Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5016000000	USD
CY2012Q3	us-gaap	Assets Current AssetsCurrent	48141000000	USD
CY2012Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	250000000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	256000000	USD
CY2012Q3	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	277000000	USD
CY2011Q4	us-gaap	Allowance For Notes And Loans Receivable Current AllowanceForNotesAndLoansReceivableCurrent	311000000	USD
CY2012Q3	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	20000000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	11000000	USD
CY2012Q3	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	65000000	USD
CY2011Q4	us-gaap	Allowance For Notes And Loans Receivable Noncurrent AllowanceForNotesAndLoansReceivableNoncurrent	38000000	USD
CY2012Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.20
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.20
CY2012Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	4687500000	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	4687500000	shares
CY2012Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	2194791952	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	2182469838	shares
CY2012Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1064859496	shares
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1019287274	shares
	us-gaap	Depreciation Depreciation	2701000000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	926000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	498000000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	252000000	USD
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1488000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	12750000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3060000000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	480000000	USD
	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	421000000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	223000000	USD
	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	4000000	USD
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	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1156000000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	2950000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	6652000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	5625000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	116000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	11465000000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	2029000000	USD
CY2011Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	-6000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	186000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	816000000	USD
	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge	50000000	USD
	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge	-241000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	42000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-174000000	USD
	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	246000000	USD
	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-494000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	12000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	-12000000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14027000000	USD
CY2012Q3	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	10791000000	USD
CY2012Q3	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	668000000	USD
CY2011Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	410000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2593000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-10886000000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations	-330000000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	643000000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-13000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-8185000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-4912000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	13240000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10661000000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	40716000000	USD
CY2011Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11303000000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	23172000000	USD
CY2011Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	22378000000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2593000000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2816000000	USD
	ibm	Common Stock Issued Under Employee Plan Value CommonStockIssuedUnderEmployeePlanValue	1900000000	USD
	ibm	Common Stock Issued Under Employee Plan Value CommonStockIssuedUnderEmployeePlanValue	1149000000	USD
	ibm	Purchases Sales Treasury Stock Under Employee Plans Net PurchasesSalesTreasuryStockUnderEmployeePlansNet	154000000	USD
	ibm	Purchases Sales Treasury Stock Under Employee Plans Net PurchasesSalesTreasuryStockUnderEmployeePlansNet	-185000000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	11465000000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	9007000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-240000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-324000000	USD
	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	-40000000	USD
	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	29000000	USD
	ibm	Common Stock Issued Under Employee Plan Shares CommonStockIssuedUnderEmployeePlanShares	12322115	shares
	ibm	Common Stock Issued Under Employee Plan Shares CommonStockIssuedUnderEmployeePlanShares	17318927	shares
	ibm	Purchases Treasury Stock Under Employee Plans Shares PurchasesTreasuryStockUnderEmployeePlansShares	2092008	shares
	ibm	Purchases Treasury Stock Under Employee Plans Shares PurchasesTreasuryStockUnderEmployeePlansShares	1451421	shares
	ibm	Sales Treasury Stock Under Employee Plans Shares SalesTreasuryStockUnderEmployeePlansShares	2358099	shares
	ibm	Sales Treasury Stock Under Employee Plans Shares SalesTreasuryStockUnderEmployeePlansShares	4102531	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	45838313	shares
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	69345414	shares
	dei	Entity Registrant Name EntityRegistrantName	INTERNATIONAL BUSINESS MACHINES CORP
	dei	Entity Central Index Key EntityCentralIndexKey	0000051143
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2012-09-30
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	1129932457	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2012Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	27544000000	USD
CY2011Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	27383000000	USD
CY2012Q3	ibm	Debt Securities Noncurrent Adjusted Cost DebtSecuritiesNoncurrentAdjustedCost	8000000	USD
CY2011Q4	ibm	Debt Securities Noncurrent Adjusted Cost DebtSecuritiesNoncurrentAdjustedCost	7000000	USD
CY2012Q3	ibm	Debt Securities Noncurrent Gross Unrealized Gains DebtSecuritiesNoncurrentGrossUnrealizedGains	1000000	USD
CY2011Q4	ibm	Debt Securities Noncurrent Gross Unrealized Gains DebtSecuritiesNoncurrentGrossUnrealizedGains	1000000	USD
CY2012Q3	ibm	Available For Sale Equity Investments Adjusted Cost AvailableForSaleEquityInvestmentsAdjustedCost	48000000	USD
CY2011Q4	ibm	Available For Sale Equity Investments Adjusted Cost AvailableForSaleEquityInvestmentsAdjustedCost	58000000	USD
CY2012Q3	ibm	Available For Sale Equity Investments Gross Unrealized Gains AvailableForSaleEquityInvestmentsGrossUnrealizedGains	7000000	USD
CY2011Q4	ibm	Available For Sale Equity Investments Gross Unrealized Gains AvailableForSaleEquityInvestmentsGrossUnrealizedGains	27000000	USD
CY2012Q3	ibm	Available For Sale Equity Investments Gross Unrealized Losses AvailableForSaleEquityInvestmentsGrossUnrealizedLosses	2000000	USD
CY2011Q4	ibm	Available For Sale Equity Investments Gross Unrealized Losses AvailableForSaleEquityInvestmentsGrossUnrealizedLosses	2000000	USD
CY2012Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	26688000000	USD
CY2012Q3	ibm	Available For Sale Debt Securities Noncurrent Fair Value Disclosure AvailableForSaleDebtSecuritiesNoncurrentFairValueDisclosure	9000000	USD
CY2011Q4	ibm	Available For Sale Debt Securities Noncurrent Fair Value Disclosure AvailableForSaleDebtSecuritiesNoncurrentFairValueDisclosure	8000000	USD
CY2012Q3	ibm	Available For Sale Equity Investments Fair Value Disclosure AvailableForSaleEquityInvestmentsFairValueDisclosure	53000000	USD
CY2011Q4	ibm	Available For Sale Equity Investments Fair Value Disclosure AvailableForSaleEquityInvestmentsFairValueDisclosure	83000000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	36000000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	27000000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	87000000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	402000000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	43000000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	232000000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2012Q3	ibm	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax And Subsequent Changes OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTaxAndSubsequentChanges	2000000	USD
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CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-17000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	0	USD
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	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-143000000	USD
	ibm	Available For Sale Debt Securities Maximum Maturities AvailableForSaleDebtSecuritiesMaximumMaturities	P1Y
CY2012Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	109000000	USD
CY2011Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	131000000	USD
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CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1228000000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1300000000	USD
CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	245000000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	324000000	USD
CY2012Q3	ibm	Total Collateral Received Derivatives TotalCollateralReceivedDerivatives	376000000	USD
CY2011Q4	ibm	Total Collateral Received Derivatives TotalCollateralReceivedDerivatives	466000000	USD
CY2012Q3	ibm	Noncash Collateral Received Not Recorded In Statement Of Financial Position NoncashCollateralReceivedNotRecordedInStatementOfFinancialPosition	28000000	USD
CY2012Q3	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	376000000	USD
CY2011Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	466000000	USD
CY2012Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2771000000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	2415000000	USD
CY2012Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	226000000	USD
CY2011Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Income Net DerivativeInstrumentsGainLossRecognizedInIncomeNet	438000000	USD
CY2012Q3	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge	35000000	USD
CY2011Q3	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge	-281000000	USD
CY2012Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-190000000	USD
CY2011Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	532000000	USD
CY2012Q3	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	112000000	USD
CY2011Q3	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-167000000	USD
CY2012Q3	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	6000000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	211000000	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	117000000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	165000000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	156000000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	172000000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	135000000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	123000000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	147000000	USD
CY2011Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	185000000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	USD
CY2011Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1000000	USD
CY2012Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0	USD
CY2011Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	154000000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	248000000	USD
CY2012Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	64000000	USD
CY2011Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	57000000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	179000000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	177000000	USD
CY2012Q3	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	119000000	USD
CY2012Q3	ibm	Financing Receivables Gross FinancingReceivablesGross	19790000000	USD
CY2011Q4	ibm	Financing Receivables Gross FinancingReceivablesGross	20060000000	USD
CY2012Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	19539000000	USD
CY2011Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	19692000000	USD
CY2012Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	251000000	USD
CY2011Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	368000000	USD
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	314000000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	307000000	USD
CY2010Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	353000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	9000000	USD
CY2011	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	84000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-18000000	USD
CY2011	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-44000000	USD
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CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	104000000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	96000000	USD
CY2012Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	210000000	USD
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	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	2000000	USD
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CY2012Q3	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	88000000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	62000000	USD
CY2012Q3	ibm	Financing Receivables Current FinancingReceivablesCurrent	19702000000	USD
CY2011Q4	ibm	Financing Receivables Current FinancingReceivablesCurrent	19998000000	USD
CY2012Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	59000000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	38000000	USD
CY2012Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	183000000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	510000000	USD
CY2011Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	166000000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	498000000	USD
CY2011Q3	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	109000000	USD
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CY2012Q3	us-gaap	Goodwill Goodwill	28270000000	USD
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CY2012Q3	us-gaap	Assets Assets	115778000000	USD
CY2012Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	2147000000	USD
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CY2012Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	4263000000	USD
CY2012Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	9335000000	USD
CY2012Q3	us-gaap	Liabilities Liabilities	94112000000	USD
CY2012Q3	us-gaap	Common Stock Including Additional Paid In Capital CommonStockIncludingAdditionalPaidInCapital	49603000000	USD
CY2012Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	112773000000	USD
CY2012Q3	us-gaap	Treasury Stock Value TreasuryStockValue	120115000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-56000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	92000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-9000000	USD
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CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-8000000	USD
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CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	-17000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	-88000000	USD
CY2012Q3	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodTax	3000000	USD
CY2011Q3	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodTax	3000000	USD
	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodTax	-8000000	USD
	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodTax	-1000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-9000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-5000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-4000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-94000000	USD
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CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	89000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	35000000	USD
CY2012Q3	us-gaap	Minority Interest MinorityInterest	126000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	203000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-15000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-9000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-6000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-154000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-64000000	USD
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	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	-1000000	USD
	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	4000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	15000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	12000000	USD
	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	41000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-43000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	206000000	USD
	us-gaap	Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Tax OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostTax	39000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	238000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	144000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	684000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Pension And Other Postretirement Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationPensionAndOtherPostretirementBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax	467000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-224000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-124000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-667000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-623000000	USD
CY2012Q3	us-gaap	Stockholders Equity StockholdersEquity	21541000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	31000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-39000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	61000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-83000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	174000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-50000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	150000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-48000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	110000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Benefit Plan Improvement Tax Effect OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect	0	USD
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CY2012Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	1000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-7000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	24000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	557000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1592000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	172000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-668000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-12000000	USD
CY2012Q3	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Net OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodNet	-4000000	USD
CY2011Q3	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Net OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodNet	-5000000	USD
	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Net OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodNet	12000000	USD
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	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-95000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-72000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	106000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-164000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	320000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-116000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	312000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Current Assets BusinessAcquisitionPurchasePriceAllocationCurrentAssets	277000000	USD
CY2011Q3	us-gaap	Pension Expense PensionExpense	357000000	USD
	us-gaap	Pension Expense PensionExpense	1602000000	USD
	us-gaap	Pension Expense PensionExpense	1159000000	USD
CY2012Q3	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	86000000	USD
CY2011Q3	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	87000000	USD
	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	260000000	USD
	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	261000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Property Plant And Equipment BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment	216000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Amount BusinessAcquisitionPurchasePriceAllocationGoodwillAmount	1879000000	USD
	ibm	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Percent BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductiblePercent	0.20	pure
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-133000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	225000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
CY2011Q3	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	21000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	USD
CY2011Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	7000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	41000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	402000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	-1000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	0	USD
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	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	9000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	23000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	27000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	70000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax	78000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	375000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	319000000	USD
	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	1161000000	USD
	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax	928000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-351000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-300000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1132000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1241000000	USD
CY2012Q3	us-gaap	Pension Expense PensionExpense	612000000	USD
CY2012Q3	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	698000000	USD
CY2011Q3	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	444000000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	1862000000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	1419000000	USD
CY2012Q3	ibm	Pension Expense Change Percent PensionExpenseChangePercent	0.713	pure
	ibm	Pension Expense Change Percent PensionExpenseChangePercent	0.383	pure
CY2012Q3	ibm	Other Postretirement Benefit Expense Change Percent OtherPostretirementBenefitExpenseChangePercent	-0.016	pure
	ibm	Other Postretirement Benefit Expense Change Percent OtherPostretirementBenefitExpenseChangePercent	-0.004	pure
CY2012Q3	ibm	Pension And Other Postretirement Benefit Expense Change Percent PensionAndOtherPostretirementBenefitExpenseChangePercent	0.570	pure
	ibm	Pension And Other Postretirement Benefit Expense Change Percent PensionAndOtherPostretirementBenefitExpenseChangePercent	0.312	pure
CY2012Q3	ibm	Subsidy Medicare Prescription Drug Improvement And Modernization Act SubsidyMedicarePrescriptionDrugImprovementAndModernizationAct	21500000	USD
	ibm	Subsidy Medicare Prescription Drug Improvement And Modernization Act SubsidyMedicarePrescriptionDrugImprovementAndModernizationAct	42400000	USD
	ibm	Business Acquisition Number Of Acquisitions Completed BusinessAcquisitionNumberOfAcquisitionsCompleted	10	item
CY2012Q3	us-gaap	Business Acquisition Cost Of Acquired Entity Purchase Price BusinessAcquisitionCostOfAcquiredEntityPurchasePrice	2613000000	USD
CY2012Q3	us-gaap	Business Acquisition Percentage Of Voting Interests Acquired BusinessAcquisitionPercentageOfVotingInterestsAcquired	1.00	pure
	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P6Y7M6D
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired BusinessAcquisitionPurchasePriceAllocationAssetsAcquired	3018000000	USD
	ibm	Other Income And Expense OtherIncomeAndExpense	-796000000	USD
	us-gaap	Interest Expense InterestExpense	350000000	USD
	ibm	Expense And Other Income ExpenseAndOtherIncome	21060000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14071000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3300000000	USD
CY2012Q3	ibm	Other Income And Expense OtherIncomeAndExpense	-606000000	USD
CY2012Q3	us-gaap	Interest Expense InterestExpense	124000000	USD
CY2012Q3	ibm	Expense And Other Income ExpenseAndOtherIncome	6657000000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5074000000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1251000000	USD
CY2012Q3	us-gaap	Profit Loss ProfitLoss	3824000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Current Liabilities BusinessAcquisitionPurchasePriceAllocationCurrentLiabilities	142000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Noncurrent Liabilities BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilities	264000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed	406000000	USD
CY2012Q3	us-gaap	Business Acquisition Purchase Price Allocation Assets Acquired Liabilities Assumed Net BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet	2613000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	6262000000	USD
CY2012Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	327000000	USD
CY2012Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21666000000	USD
CY2012Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	115778000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-14000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	461000000	USD
	us-gaap	Depreciation Depreciation	2572000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	510000000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	697000000	USD
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	868000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3082000000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	233000000	USD
	us-gaap	Payments To Acquire Software PaymentsToAcquireSoftware	476000000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2266000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-248000000	USD
	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	587000000	USD
	ibm	Non Operating Finance Receivables Net NonOperatingFinanceReceivablesNet	718000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	335000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	2596000000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1971000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	9589000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	4991000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2177000000	USD
CY2012Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1534000000	USD
CY2012Q3	ibm	Intellectual Property And Custom Development Income IntellectualPropertyAndCustomDevelopmentIncome	303000000	USD
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.33
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.36
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8988000000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	1198000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2816000000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations	-156000000	USD
CY2012Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1149300000	shares
CY2012Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1137200000	shares
	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	44279000000	USD
	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	29424000000	USD
	us-gaap	Financial Services Revenue FinancialServicesRevenue	1500000000	USD
	us-gaap	Cost Of Services CostOfServices	29285000000	USD
	us-gaap	Cost Of Goods Sold CostOfGoodsSold	10003000000	USD
	us-gaap	Financial Services Costs FinancialServicesCosts	784000000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	40072000000	USD
	us-gaap	Gross Profit GrossProfit	35131000000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	17632000000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	4722000000	USD
	ibm	Intellectual Property And Custom Development Income IntellectualPropertyAndCustomDevelopmentIncome	847000000	USD
	us-gaap	Profit Loss ProfitLoss	10771000000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.38
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1161800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1148400000	shares
CY2011Q3	ibm	Expense And Other Income ExpenseAndOtherIncome	7146000000	USD
	us-gaap	Cost Of Revenue CostOfRevenue	42014000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	501000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	11000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-27000000	USD
CY2012Q3	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Before Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodBeforeTax	-7000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-54000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	-112000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	1000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	-2000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	37000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	613000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-575000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	109000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-891000000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	42123000000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20236000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-1500000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	164000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-674000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-6000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	13000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-20000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-43000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeBeforeTax	-231000000	USD
CY2011Q3	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Before Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodBeforeTax	-8000000	USD
	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Before Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodBeforeTax	20000000	USD
	ibm	Other Comprehensive Income Available For Sale Securities Subsequent Changes In Previously Impaired Securities Arising During Period Before Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesSubsequentChangesInPreviouslyImpairedSecuritiesArisingDuringPeriodBeforeTax	3000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	295000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	65000000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-159000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	167000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	-246000000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment On Derivatives Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax	494000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	32000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	66000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	605000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Before Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax	13000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	40000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	112000000	USD
	us-gaap	Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans Net Prior Service Cost Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostBeforeTax	117000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	463000000	USD
	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	1846000000	USD
	us-gaap	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossRecognizedInNetPeriodicBenefitCostBeforeTax	1395000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-423000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1799000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1864000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-630000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	1771000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	1276000000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	361000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	606000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	632000000	USD
CY2012Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	4601000000	USD
	ibm	Change In Pretax Stock Based Compensation Due To Restricted Stock Units ChangeInPretaxStockBasedCompensationDueToRestrictedStockUnits	23000000	USD
CY2011Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	0	USD
CY2011Q3	us-gaap	Other Comprehensive Income Finalization Of Pension And Non Pension Postretirement Plan Valuation Tax OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax	0	USD

Files In Submission

Name	View Source	Status
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0001104659-12-072210-index.html	Edgar Link	pending
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$IBM
INTERNATIONAL BUSINESS MACHINES CORP Stock $ibm

2012 Q3 Form 10-Q Financial Statement

#000110465912072210 Filed on October 30, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IBM INTERNATIONAL BUSINESS MACHINES CORP Stock $ibm

2012 Q3 Form 10-Q Financial Statement

#000110465912072210 Filed on October 30, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IBM
INTERNATIONAL BUSINESS MACHINES CORP Stock $ibm