| Component: (Network and Table) | |
|---|---|
| Network | 004050 - Disclosure - Inventories (Details) (http://www.ibm.com/role/DisclosureInventoriesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000051143 (http://www.sec.gov/CIK) |
| Inventories | Period [Axis] | |
|---|---|---|
2013-12-31 | 2012-12-31 | |
Inventories | ||
Finished goods | ||
Work in process and raw materials | ||
Total inventories | 2,310,000,000 | 2,287,000,000 |