| Component: (Network and Table) | |
|---|---|
| Network | 100470 - Disclosure - Equity Incentive Plans - Schedule of Fair Value of Common Shares to be Issued Under the 2016 ESPP (Details) (http://www.apptio.com/20161231/taxonomy/role/DisclosureEquityIncentivePlansScheduleOfFairValueOfCommonSharesToBeIssuedUnder2016ESPPDetails) |
| Table | Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] |
| Reporting Entity [Axis] | 0001419625 (http://www.sec.gov/CIK) |
| Plan Name | 2016 Employee Stock Purchase Plan |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | Period [Axis] |
|---|---|
2016-01-01 - 2016-12-31 | |
Dividend yield | |
Risk-free interest rate | |
Expected life | |
Expected volatility |