| Component: (Network and Table) | |
|---|---|
| Network | 2403404 - Disclosure - Restructuring Charges (Restructuring Reserve) (Details) (http://www.nasdaqomx.com/role/RestructuringChargesRestructuringReserveDetails) |
| Table | Schedule of Restructuring and Related Costs [Table] |
| Reporting Entity [Axis] | 0001120193 (http://www.sec.gov/CIK) |
| Restructuring Type [Axis] | Severance |
| Restructuring Cost and Reserve [Line Items] | Period [Axis] |
|---|---|
2016-01-01 - 2016-12-31 | |
Restructuring Reserve [Roll Forward] | |
Balance at beginning of period | 12,000,000 |
Expenses Incurred | |
Cash payments | (17,000,000) |
Balance at end of period | 17,000,000 |