| Component: (Network and Table) | |
|---|---|
| Network | 090500 - Disclosure - Concentrations of Credit Risk (Details) - Geographic Concentration Risk (http://igt.com/role/ConcentrationsOfCreditRiskDetailsGeographicConcentrationRisk) |
| Table | Statement [Table] |
| Reporting Entity [Axis] | 0000353944 (http://www.sec.gov/CIK) |
| Period [Axis] | 2012-10-01 - 2013-09-30 |
| Statement [Line Items] | Concentration Risk Type [Axis] | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ILLINOIS | Nevada [Member] | Other North America [Member] | North America [Member] | Argentina [Member] | Europe [Member] | Australia [Member] | Mexico [Member] | Other International [Member] | International [Member] | |
Receivables By Legal Gaming Region | .06 | .13 | .35 | .54 | .15 | .07 | .06 | .06 | .12 | .46 |