| Component: (Network and Table) | |
|---|---|
| Network | 00400 - Statement - Consolidated Statement of Cash Flows (http://www.ibm.com/role/StatementConsolidatedStatementOfCashFlows)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0000051143 (http://www.sec.gov/CIK) | 
| Consolidated Statement of Cash Flows | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31  | 2015-01-01 - 2015-12-31  | 2014-01-01 - 2014-12-31  | |
Consolidated Statement of Cash Flows  | |||
Cash flows from operating activities  | |||
Net income  | 11,872,000,000    | 13,190,000,000    | 12,022,000,000    | 
Adjustments to reconcile net income to cash provided by operating activities  | |||
Depreciation  | |||
Amortization of intangibles  | |||
Stock-based compensation  | |||
Deferred taxes  | (  | (  | |
Net (gain)/loss on asset sales and other  | (  | ||
Loss on microelectronics business disposal  | |||
Change in operating assets and liabilities, net of acquisitions/divestitures  | |||
Receivables (including financing receivables)  | |||
Retirement related  | (  | (  | |
Inventories  | (  | (  | |
Other assets/other liabilities  | (  | (  | |
Accounts payable  | (  | ||
Net cash provided by operating activities  | |||
Cash flows from investing activities  | |||
Payments for property, plant and equipment  | (  | (  | (  | 
Proceeds from disposition of property, plant and equipment  | |||
Investment in software  | (  | (  | (  | 
Purchases of marketable securities and other investments  | (  | (  | (  | 
Proceeds from disposition of marketable securities and other investments  | |||
Non-operating finance receivables - net  | (  | (  | (  | 
Acquisition of businesses, net of cash acquired  | (  | (  | (  | 
Divestiture of businesses, net of cash transferred  | (  | (  | |
Net cash used in investing activities  | (  | (  | (  | 
Cash flows from financing activities  | |||
Proceeds from new debt  | |||
Payments to settle debt  | (  | (  | (  | 
Short-term borrowings/(repayments) less than 90 days - net  | (  | ||
Common stock repurchases  | (  | (  | (  | 
Common stock transactions - other  | |||
Cash dividends paid  | (  | (  | (  | 
Net cash used in financing activities  | (  | (  | (  | 
Effect of exchange rate changes on cash and cash equivalents  | (  | (  | (  | 
Net change in cash and cash equivalents  | (  | (  | |
Cash and cash equivalents at beginning of period  | 7,686,000,000    | ||
Cash and cash equivalents at end of period  | 7,826,000,000    | 7,686,000,000    | 8,476,000,000    | 
Supplemental data  | |||
Income taxes paid - net of refunds received  | |||
Interest paid on debt  | |||